期末大作业

app/app/.gitignore

@@ -0,0 +1 @@
+/build

app/app/build.gradle

@@ -0,0 +1,48 @@
+plugins {
+    id 'com.android.application'
+}
+
+android {
+    compileSdkVersion 32
+    buildToolsVersion "32.0.0" // 确保使用与编译SDK版本兼容的构建工具版本
+
+    defaultConfig {
+        applicationId "com.example.myexamproject"
+        minSdkVersion 22
+        targetSdkVersion 32
+        versionCode 1
+        versionName "1.0"
+
+        testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
+    }
+
+    buildTypes {
+        release {
+            minifyEnabled false
+            proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
+        }
+    }
+
+    buildFeatures {
+        viewBinding true // 启用视图绑定
+    }
+
+    compileOptions {
+        sourceCompatibility JavaVersion.VERSION_1_8
+        targetCompatibility JavaVersion.VERSION_1_8
+    }
+}
+
+dependencies {
+    implementation 'androidx.appcompat:appcompat:1.3.0'
+    implementation 'com.google.android.material:material:1.4.0'
+    implementation 'androidx.constraintlayout:constraintlayout:2.0.4'
+
+    testImplementation 'junit:junit:4.13.2'
+    androidTestImplementation 'androidx.test.ext:junit:1.1.3'
+    androidTestImplementation 'androidx.test.espresso:espresso-core:3.4.0'
+}
+
+clean {
+    delete 'build' // 只清理与当前构建相关的目录
+}

app/app/proguard-rules.pro

@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile

app/app/src/androidTest/java/com/example/myexamproject/ExampleInstrumentedTest.java

@@ -0,0 +1,26 @@
+package com.example.myexamproject;
+
+import android.content.Context;
+
+import androidx.test.platform.app.InstrumentationRegistry;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static org.junit.Assert.*;
+
+/**
+ * Instrumented test, which will execute on an Android device.
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+@RunWith(AndroidJUnit4.class)
+public class ExampleInstrumentedTest {
+    @Test
+    public void useAppContext() {
+        // Context of the app under test.
+        Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext();
+        assertEquals("com.example.myexamproject", appContext.getPackageName());
+    }
+}

app/app/src/main/AndroidManifest.xml

@@ -0,0 +1,56 @@
+<?xml version="1.0" encoding="utf-8"?>
+<manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    package="com.example.myexamproject">
+
+    <application
+        android:allowBackup="true"
+        android:icon="@drawable/tubiao"
+        android:label="@string/app_name"
+        android:roundIcon="@drawable/tubiao"
+        android:supportsRtl="true"
+        android:theme="@style/Theme.MyExamProject">
+        <activity
+            android:name=".UpdateIFActivity"
+            android:exported="false" />
+        <activity
+            android:name=".MyIFActivity"
+            android:exported="false" />
+        <activity
+            android:name=".MainActivity"
+            android:exported="false" />
+        <activity
+            android:name=".UpdateGamesActivity"
+            android:exported="false" />
+        <activity
+            android:name=".RegisterActivity"
+            android:exported="false" />
+        <activity
+            android:name=".QueryGamesActivity"
+            android:exported="false" />
+        <activity
+            android:name=".PersonalCenterActivity"
+            android:exported="false" />
+        <activity
+            android:name=".LoginActivity"
+            android:exported="false" />
+        <activity
+            android:name=".DeleteGamesActivity"
+            android:exported="false" />
+        <activity
+            android:name=".BackActivity"
+            android:exported="false" />
+        <activity
+            android:name=".AddGamesActivity"
+            android:exported="false" />
+        <activity
+            android:name=".WelcomeActivity"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.MAIN" />
+
+                <category android:name="android.intent.category.LAUNCHER" />
+            </intent-filter>
+        </activity>
+    </application>
+
+</manifest>

app/app/src/main/java/com/example/myexamproject/AddGamesActivity.java

@@ -0,0 +1,96 @@
+package com.example.myexamproject;
+
+
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import android.os.Bundle;
+
+import android.text.TextUtils;
+import android.view.View;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.Toast;
+
+import com.example.myexamproject.bean.Game;
+import com.example.myexamproject.utils.MySQLiteOpenHelper;
+
+
+public class AddGamesActivity extends AppCompatActivity implements View.OnClickListener {
+    //组件定义
+    private EditText etGameid;
+    private EditText etGamename;
+    private EditText etGametime;
+    private EditText etGamenote;
+
+    private Button btnAdd;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_add_games);
+        //初始化界面
+        initView();
+    }
+
+    //初始化界面
+    private void initView() {
+        etGameid=(EditText)findViewById(R.id.et_gameid);
+        etGamename = (EditText) findViewById(R.id.et_gamename);
+        etGametime = (EditText) findViewById(R.id.et_gametime);
+        etGamenote = (EditText) findViewById(R.id.et_gamenote);
+
+        btnAdd = (Button) findViewById(R.id.btn_add);
+        //设置按钮的点击事件
+        btnAdd.setOnClickListener(this);
+    }
+
+    @Override
+    public void onClick(View v) {
+        //当单击“添加”按钮时，获取添加信息
+        String gameid=etGameid.getText().toString().trim();
+        String gamename = etGamename.getText().toString().trim();
+        String gametime = etGametime.getText().toString().trim();
+        String gamenote = etGamenote.getText().toString();
+
+
+        //检验信息是否正确
+        if (TextUtils.isEmpty(gameid)) {
+            Toast.makeText(this, "请输入活动id", Toast.LENGTH_SHORT).show();
+            return;
+        }
+        if (TextUtils.isEmpty(gamename)) {
+            Toast.makeText(this, "请输入活动名称", Toast.LENGTH_SHORT).show();
+            return;
+        }
+        if (TextUtils.isEmpty(gametime)) {
+            Toast.makeText(this, "请输入活动时间", Toast.LENGTH_SHORT).show();
+            return;
+        }
+        if (TextUtils.isEmpty(gamenote)) {
+            Toast.makeText(this, "请输入备注", Toast.LENGTH_SHORT).show();
+            return;
+        }
+
+        //添加信息
+        Game game =new Game();
+        game.gameid= gameid;
+        game.gamename = gamename;
+        game.gametime = gametime;
+        game.gamenote= gamenote;
+
+        //创建数据库访问对象
+        MySQLiteOpenHelper dao = new MySQLiteOpenHelper(getApplicationContext());
+        dao.open();
+        long result = dao.addGames(game);
+
+        if (result > 0) {
+            Toast.makeText(this, "发布成功", Toast.LENGTH_SHORT).show();
+        } else {
+            Toast.makeText(this, "发布失败", Toast.LENGTH_SHORT).show();
+        }
+        dao.close();
+        finish();
+
+    }
+}

app/app/src/main/java/com/example/myexamproject/BackActivity.java

@@ -0,0 +1,47 @@
+package com.example.myexamproject;
+
+
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.View;
+import android.widget.Button;
+
+public class BackActivity extends AppCompatActivity implements View.OnClickListener {
+
+    private Button bt_backfalse;
+    private Button bt_backtrue;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_back);
+
+        bt_backfalse = findViewById(R.id.bt_backfalse);
+        bt_backfalse.setOnClickListener(this);
+
+        bt_backtrue = findViewById(R.id.bt_backtrue);
+        bt_backtrue.setOnClickListener(this);
+
+    }
+
+    @Override
+    public void onClick(View v) {
+        switch (v.getId()){
+            case R.id.bt_backfalse:
+                Intent intent_insert = new Intent();
+                intent_insert.setClass(BackActivity.this, PersonalCenterActivity.class);
+                startActivity(intent_insert);
+                break;
+
+            case R.id.bt_backtrue:
+                Intent intent_query = new Intent();
+                intent_query.setClass(BackActivity.this, LoginActivity.class);
+                startActivity(intent_query);
+                break;
+
+        }
+    }
+}

app/app/src/main/java/com/example/myexamproject/DeleteGamesActivity.java

@@ -0,0 +1,85 @@
+package com.example.myexamproject;
+
+
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import android.os.Bundle;
+import android.view.View;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.Toast;
+
+import com.example.myexamproject.bean.Game;
+import com.example.myexamproject.utils.MySQLiteOpenHelper;
+
+
+public class DeleteGamesActivity extends AppCompatActivity  implements View.OnClickListener{
+
+
+    private EditText etGameid;
+    private Button btnSearch;
+    private EditText etGamename;
+    private EditText etGametime;
+    private EditText etGamenote;
+    private Button btnDelete;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_delete_games);
+        initView();
+    }
+
+    private void initView() {
+        etGameid=(EditText) findViewById(R.id.et_gameid);
+        btnSearch=(Button) findViewById(R.id.btn_search);
+        etGamename=(EditText)findViewById(R.id.et_gamename);
+        etGametime=(EditText)findViewById(R.id.et_gametime);
+        etGamenote=(EditText)findViewById(R.id.et_gamenote);
+        btnDelete= (Button) findViewById(R.id.btn_delete);
+
+
+        btnSearch.setOnClickListener((View.OnClickListener) this);
+        btnDelete.setOnClickListener((View.OnClickListener) this);
+    }
+
+    @Override
+    public void onClick(View v)
+    {
+        switch(v.getId())
+        {
+            case R.id.btn_search:
+                searchOrder();
+                break;
+            case R.id.btn_delete:
+                deleteOrder();
+                break;
+        }
+    }
+    //查找借书信息
+    private void searchOrder() {
+        String studentid=etGameid.getText().toString().trim();
+        MySQLiteOpenHelper dao=new MySQLiteOpenHelper(getApplicationContext());
+        dao.open();
+        Game game=dao.getGames(studentid);
+        etGamename.setText(game.gamename);
+        etGametime.setText(game.gametime);
+        etGamenote.setText(game.gamenote);
+
+        dao.close();
+    }
+    private void deleteOrder() {
+        Game game=new Game();
+        game.gameid=etGameid.getText().toString().trim();
+        MySQLiteOpenHelper dao=new MySQLiteOpenHelper(getApplicationContext());
+        dao.open();
+        int result= dao.deletGames(game);
+        if(result>0) {
+            Toast.makeText(this, "删除成功", Toast.LENGTH_SHORT).show();
+        }else{
+            Toast.makeText(this, "删除失败", Toast.LENGTH_SHORT).show();
+        }
+        dao.close();
+    }
+}

app/app/src/main/java/com/example/myexamproject/LoginActivity.java

@@ -0,0 +1,157 @@
+package com.example.myexamproject;
+
+import androidx.appcompat.app.AppCompatActivity;
+import android.content.Context;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.os.Bundle;
+import android.text.TextUtils;
+import android.view.View;
+import android.widget.Button;
+import android.widget.CheckBox;
+import android.widget.EditText;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import com.example.myexamproject.utils.MD5Utils;
+
+public class LoginActivity extends AppCompatActivity {
+    private EditText et_username;
+    private EditText et_pwd;
+    private CheckBox save_pwd;
+    private String userName, passWord, spPsw;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_login);
+        init();
+    }
+
+    private void init() {
+        et_username = findViewById(R.id.username);
+        et_pwd = findViewById(R.id.pwd);
+        save_pwd = findViewById(R.id.save_pwd);
+
+        // 获取记住的账号密码
+        getUserInfo();
+
+        // 登录方法
+        Button login = findViewById(R.id.loginBtn);
+        login.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                getEditString();
+                String md5Psw = MD5Utils.md5(passWord);
+                spPsw = readPsw(userName);
+
+                if (TextUtils.isEmpty(userName)) {
+                    Toast.makeText(LoginActivity.this, "请输入用户名", Toast.LENGTH_SHORT).show();
+                    return;
+                } else if (TextUtils.isEmpty(passWord)) {
+                    Toast.makeText(LoginActivity.this, "请输入密码", Toast.LENGTH_SHORT).show();
+                    return;
+                } else if (md5Psw.equals(spPsw)) {
+                    // 一致登录成功
+                    Toast.makeText(LoginActivity.this, "欢迎！" + userName, Toast.LENGTH_SHORT).show();
+                    // 保存登录状态，在界面保存登录的用户名和密码
+                    saveLoginInfo(userName, passWord);
+                    saveLoginStatus(true, userName);
+                    // 登录成功后关闭此页面进入主页
+                    Intent data = new Intent();
+                    data.putExtra("isLogin", true);
+                    setResult(RESULT_OK, data);
+                    LoginActivity.this.finish();
+                    // 跳转到下一个界面
+                    startActivity(new Intent(LoginActivity.this, MainActivity.class));
+                    return;
+                } else {
+                    Toast.makeText(LoginActivity.this, "用户名或密码错误", Toast.LENGTH_SHORT).show();
+                }
+            }
+        });
+
+        TextView tv_register = findViewById(R.id.register);
+        tv_register.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                // 跳转到注册界面
+                Intent intent = new Intent(LoginActivity.this, RegisterActivity.class);
+                startActivity(intent);
+                LoginActivity.this.finish();
+            }
+        });
+    }
+
+    // 获取用户名和密码
+    private void getEditString() {
+        userName = et_username.getText().toString().trim();
+        passWord = et_pwd.getText().toString().trim();
+    }
+
+    // 保存登录信息
+    private void saveLoginInfo(String userName, String passWord) {
+        boolean CheckBoxLogin = save_pwd.isChecked();
+        SharedPreferences sp = getSharedPreferences("userInfo", MODE_PRIVATE);
+        SharedPreferences.Editor editor = sp.edit();
+        // 设置参数
+        if (CheckBoxLogin) {
+            editor.putString("username", userName);
+            editor.putString("password", passWord);
+            editor.putBoolean("checkboxBoolean", true);
+            editor.commit();
+        } else {
+            editor.putString("username", null);
+            editor.putString("password", null);
+            editor.putBoolean("checkboxBoolean", false);
+            editor.commit();
+        }
+    }
+
+    // 从已经存入的对象中读取密码
+    private String readPsw(String userName) {
+        SharedPreferences sp = getSharedPreferences("loginInfo", MODE_PRIVATE);
+        return sp.getString(userName, "");
+    }
+
+    // 保存登录状态
+    private void saveLoginStatus(boolean status, String userName) {
+        SharedPreferences sp = getSharedPreferences("loginInfo", MODE_PRIVATE);
+        SharedPreferences.Editor editor = sp.edit();
+        editor.putBoolean("isLogin", status);
+        editor.putString("loginUserName", userName);
+        editor.commit();
+    }
+
+    // 返回注册成功数据
+    @Override
+    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
+        super.onActivityResult(requestCode, resultCode, data);
+        if (data != null) {
+            String userName = data.getStringExtra("userName");
+            if (!TextUtils.isEmpty(userName)) {
+                et_username.setText(userName);
+                et_username.setSelection(userName.length());
+            }
+        }
+    }
+
+    // 获得用户已注册的信息
+    private void getUserInfo() {
+        SharedPreferences sp = this.getSharedPreferences("userInfo", Context.MODE_PRIVATE);
+        if (sp.getBoolean("checkboxBoolean", false)) {
+            et_username.setText(sp.getString("username", null));
+            et_pwd.setText(sp.getString("password", null));
+            save_pwd.setChecked(true);
+        } else {
+            et_username.setText(sp.getString("username", userName));
+            et_pwd.setText(sp.getString("password", passWord));
+            save_pwd.setChecked(false);
+        }
+    }
+
+    @Override
+    public void onBackPressed() {
+        LoginActivity.this.finish();
+    }
+}

app/app/src/main/java/com/example/myexamproject/MainActivity.java

@@ -0,0 +1,65 @@
+package com.example.myexamproject;
+
+import androidx.appcompat.app.AppCompatActivity;
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.View;
+import android.widget.Button;
+import android.widget.ImageButton;
+import android.widget.TextView;
+
+public class MainActivity extends AppCompatActivity implements View.OnClickListener {
+    private Button bt_updatee;
+    private Button bt_deletee;
+    private Button bt_read;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_main);
+
+        // 获取按钮实例
+        bt_updatee = findViewById(R.id.bt_updatee);
+        bt_deletee = findViewById(R.id.bt_deletee);
+        bt_read = findViewById(R.id.bt_read);
+
+        // 设置按钮的点击监听器
+        bt_updatee.setOnClickListener(this);
+        bt_deletee.setOnClickListener(this);
+        bt_read.setOnClickListener(this);
+
+        // 获取个人中心按钮实例
+        ImageButton IbPersonalCenter = findViewById(R.id.bt_personal);
+        IbPersonalCenter.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                startActivity(new Intent(MainActivity.this, PersonalCenterActivity.class));
+            }
+        });
+
+        // 获取添加按钮实例
+        ImageButton IbAdd = findViewById(R.id.bt_add);
+        IbAdd.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                startActivity(new Intent(MainActivity.this, AddGamesActivity.class));
+            }
+        });
+    }
+
+    @Override
+    public void onClick(View v) {
+        // 通过switch方法跳转到相应界面
+        switch (v.getId()) {
+            case R.id.bt_updatee:
+                startActivity(new Intent(MainActivity.this, UpdateGamesActivity.class));
+                break;
+            case R.id.bt_deletee:
+                startActivity(new Intent(MainActivity.this, DeleteGamesActivity.class));
+                break;
+            case R.id.bt_read:
+                startActivity(new Intent(MainActivity.this, QueryGamesActivity.class));
+                break;
+        }
+    }
+}

app/app/src/main/java/com/example/myexamproject/MyIFActivity.java

@@ -0,0 +1,77 @@
+package com.example.myexamproject;
+
+
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.View;
+import android.widget.Button;
+import android.widget.TextView;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import com.example.myexamproject.bean.Student;
+import com.example.myexamproject.utils.StudentDbHelper;
+
+import java.util.LinkedList;
+
+
+/**
+ * 我的个人信息活动类
+ */
+public class MyIFActivity extends AppCompatActivity {
+
+    TextView tvStuName,tvStuMajor,tvStuPhone,tvStuQq,tvStuAddress;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_my_ifactivity);
+        Button btnBack = findViewById(R.id.btn_back);
+        //返回点击事件,销毁当前界面
+        btnBack.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                finish();
+            }
+        });
+
+        final TextView tvUserNumber = findViewById(R.id.tv_stu_number);
+        tvUserNumber.setText(this.getIntent().getStringExtra("stu_number1"));
+        tvStuName = findViewById(R.id.tv_stu_name);
+        tvStuMajor = findViewById(R.id.tv_stu_major);
+        tvStuPhone = findViewById(R.id.tv_stu_phone);
+        tvStuQq = findViewById(R.id.tv_stu_qq);
+        tvStuAddress = findViewById(R.id.tv_stu_address);
+        StudentDbHelper dbHelper = new StudentDbHelper(getApplicationContext(),StudentDbHelper.DB_NAME,null,1);
+        LinkedList<Student> students = dbHelper.readStudents(tvUserNumber.getText().toString());
+        if(students != null) {
+            for(Student student : students) {
+                tvStuName.setText(student.getStuName());
+                tvStuMajor.setText(student.getStuMajor());
+                tvStuPhone.setText(student.getStuPhone());
+                tvStuQq.setText(student.getStuQq());
+                tvStuAddress.setText(student.getStuAddress());
+            }
+        }else {
+            tvStuName.setText("暂未填写");
+            tvStuMajor.setText("暂未填写");
+            tvStuPhone.setText("暂未填写");
+            tvStuQq.setText("暂未填写");
+            tvStuAddress.setText("暂未填写");
+        }
+        Button btnModifyInfo = findViewById(R.id.btn_modify_info);
+        //跳转到修改用户信息界面
+        btnModifyInfo.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getApplicationContext(),UpdateIFActivity.class);
+                Bundle bundle = new Bundle();
+                bundle.putString("stu_number2",tvUserNumber.getText().toString());
+                intent.putExtras(bundle);
+                startActivity(intent);
+            }
+        });
+
+    }
+}

app/app/src/main/java/com/example/myexamproject/PersonalCenterActivity.java

@@ -0,0 +1,60 @@
+package com.example.myexamproject;
+
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.view.View;
+import android.widget.Button;
+import android.widget.TextView;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+public class PersonalCenterActivity extends AppCompatActivity implements View.OnClickListener {
+
+    TextView TvStuNumber;
+    private Button btn_logout;
+
+    @Override
+    protected void onCreate(final Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_personal_center);
+        btn_logout = findViewById(R.id.btn_logout);
+        btn_logout.setOnClickListener(this);
+        //取出登录时的登录名
+        TvStuNumber = findViewById(R.id.tv_student_number);
+        String StuNumber = this.getIntent().getStringExtra("username1");
+        TvStuNumber.setText(StuNumber);
+        //返回主界面
+        Button btnBack = findViewById(R.id.bt_back);
+        btnBack.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                finish();
+            }
+        });
+
+        //点击个人信息按钮
+        Button btnUserInfo = findViewById(R.id.btn_user_info);
+        btnUserInfo.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                Intent intent = new Intent(getApplicationContext(),MyIFActivity.class);
+                Bundle bundle = new Bundle();
+                bundle.putString("stu_number1",TvStuNumber.getText().toString());
+                intent.putExtras(bundle);
+                startActivity(intent);
+            }
+        });
+    }
+
+    @Override
+    public void onClick(View v) {
+        switch (v.getId()){
+            case R.id.btn_logout:
+                Intent intent_insert = new Intent();
+                intent_insert.setClass(PersonalCenterActivity.this, BackActivity.class);
+                startActivity(intent_insert);
+                break;
+        }
+    }
+}

app/app/src/main/java/com/example/myexamproject/QueryGamesActivity.java

@@ -0,0 +1,39 @@
+package com.example.myexamproject;
+
+
+
+import androidx.appcompat.app.AppCompatActivity;
+import android.os.Bundle;
+import android.widget.ListView;
+import android.widget.SimpleAdapter;
+
+import com.example.myexamproject.utils.MySQLiteOpenHelper;
+
+import java.util.List;
+import java.util.Map;
+
+public class QueryGamesActivity extends AppCompatActivity {
+    //定义组件
+    ListView listView=null;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_query_games);
+        setTitle("查看记录");
+        //初始化界面
+        initView();
+    }
+
+    private void initView() {
+        MySQLiteOpenHelper dao=new MySQLiteOpenHelper(getApplicationContext());
+        dao.open();
+        List<Map<String,Object>> mOrderData=dao.getAllGames();
+        listView=(ListView)findViewById(R.id.lst_orders);
+        String[] from={"gameid","gamename","gametime","gamenote"};
+        int[] to={R.id.tv_lst_gameid,R.id.tv_lst_gamename,R.id.tv_lst_gametime,R.id.tv_lst_gamenote};
+        SimpleAdapter listItemAdapter=new SimpleAdapter(QueryGamesActivity.this,mOrderData,R.layout.item_list,from,to);
+        listView.setAdapter(listItemAdapter);
+        dao.close();
+    }
+}

app/app/src/main/java/com/example/myexamproject/RegisterActivity.java

@@ -0,0 +1,101 @@
+package com.example.myexamproject;
+
+import androidx.appcompat.app.AppCompatActivity;
+import android.content.Intent;
+import android.content.SharedPreferences;
+import android.os.Bundle;
+import android.text.TextUtils;
+import android.view.View;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.Toast;
+
+import com.example.myexamproject.utils.MD5Utils;
+
+
+public class RegisterActivity extends AppCompatActivity {
+    //声明所有按钮
+    private EditText et_username,et_pwd,et_pwd_sure;
+    private Button register;
+    private String userName,passWord,passWord_sure;
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_register);
+        init();
+    }
+    public void init(){
+        //给按钮匹配id
+        et_username = (EditText)findViewById(R.id.username);
+        et_pwd = (EditText)findViewById(R.id.pwd);
+        et_pwd_sure = (EditText)findViewById(R.id.pwd2);
+        register = (Button)findViewById(R.id.registerBtn);
+        register.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                getEditString();
+                //提示输入信息
+                if(TextUtils.isEmpty(userName)){
+                    Toast.makeText(RegisterActivity.this, "请输入用户名", Toast.LENGTH_SHORT).show();
+                    return;
+                }else if(TextUtils.isEmpty(passWord)){
+                    Toast.makeText(RegisterActivity.this, "请输入密码", Toast.LENGTH_SHORT).show();
+                    return;
+                }else if(TextUtils.isEmpty(passWord_sure)){
+                    Toast.makeText(RegisterActivity.this, "请再次输入密码", Toast.LENGTH_SHORT).show();
+                    return;
+                }else if(!passWord.equals(passWord_sure)){
+                    Toast.makeText(RegisterActivity.this, "输入两次的密码不一样", Toast.LENGTH_SHORT).show();
+                    return;
+                    //判断用户名是否已被注册
+                }else if(isExistUserName(userName)){
+                    Toast.makeText(RegisterActivity.this, "此账户名已经存在", Toast.LENGTH_SHORT).show();
+                    return;
+                }else{
+                    Toast.makeText(RegisterActivity.this, "注册成功", Toast.LENGTH_SHORT).show();
+                    //把保存账号密码
+                    saveRegisterInfo(userName, passWord);
+                    Intent data = new Intent();
+                    data.putExtra("userName", userName);
+                    setResult(RESULT_OK, data);
+                    //跳转到登录界面中
+                    Intent intent = new Intent(RegisterActivity.this,LoginActivity.class);
+                    startActivity(intent);
+                    RegisterActivity.this.finish();
+                }
+            }
+        });
+    }
+    //获得已输入信息
+    private void getEditString(){
+        userName = et_username.getText().toString().trim();
+        passWord = et_pwd.getText().toString().trim();
+        passWord_sure = et_pwd_sure.getText().toString().trim();
+    }
+    //判断输入的用户名是否已经存在
+    private boolean isExistUserName(String userName){
+        boolean has_userName = false;
+        SharedPreferences sp = getSharedPreferences("loginInfo", MODE_PRIVATE);
+        String spPsw = sp.getString(userName, "");
+        //判断密码是否为空，不空则注册成功
+        if(!TextUtils.isEmpty(spPsw)) {
+            has_userName=true;
+        }
+        return has_userName;
+    }
+    //将用户名和密码保存到sp中
+    private void saveRegisterInfo(String userName,String psw){
+        String md5Psw = MD5Utils.md5(psw);//把密码用MD5加密
+        SharedPreferences sp = getSharedPreferences("loginInfo", MODE_PRIVATE);
+        SharedPreferences.Editor editor = sp.edit();
+        editor.putString(userName, md5Psw);
+        editor.commit();
+    }
+    //跳转回登录界面
+    public void onBackPressed() {
+        Intent intent = new Intent();
+        intent.setClass(RegisterActivity.this,LoginActivity.class);
+        startActivity(intent);
+        RegisterActivity.this.finish();
+    }
+}

app/app/src/main/java/com/example/myexamproject/UpdateGamesActivity.java

@@ -0,0 +1,83 @@
+package com.example.myexamproject;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import android.os.Bundle;
+import android.view.View;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.Toast;
+
+import com.example.myexamproject.bean.Game;
+import com.example.myexamproject.utils.MySQLiteOpenHelper;
+
+public class UpdateGamesActivity extends AppCompatActivity implements View.OnClickListener {
+    private EditText etGameid;
+    private EditText etGamename;
+    private EditText etGametime;
+    private EditText etGamenote;
+    private Button btnSearch;
+    private Button btnEdit;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_update_games);
+        initView();
+    }
+
+    private void initView() {
+        etGameid = findViewById(R.id.et_gameid);
+        btnSearch = findViewById(R.id.btn_search);
+        etGamename = findViewById(R.id.et_gamename);
+        etGametime = findViewById(R.id.et_gametime);
+        etGamenote = findViewById(R.id.et_gamenote);
+        btnEdit = findViewById(R.id.btn_edit);
+
+        btnSearch.setOnClickListener(this);
+        btnEdit.setOnClickListener(this);
+    }
+
+    @Override
+    public void onClick(View v) {
+        switch (v.getId()) {
+            case R.id.btn_search:
+                searchOrder();
+                break;
+            case R.id.btn_edit:
+                updateOrder();
+                break;
+        }
+    }
+
+    private void searchOrder() {
+        String gameid = etGameid.getText().toString().trim();
+        MySQLiteOpenHelper dao = new MySQLiteOpenHelper(getApplicationContext());
+        dao.open();
+        Game game = dao.getGames(gameid);
+        if (game != null) {
+            etGamename.setText(game.gamename);
+            etGametime.setText(game.gametime);
+            etGamenote.setText(game.gamenote);
+        }
+        dao.close();
+    }
+
+    private void updateOrder() {
+        Game game = new Game();
+        game.gameid = etGameid.getText().toString().trim();
+        game.gamename = etGamename.getText().toString().trim();
+        game.gametime = etGametime.getText().toString().trim();
+        game.gamenote = etGamenote.getText().toString().trim();
+
+        MySQLiteOpenHelper dao = new MySQLiteOpenHelper(getApplicationContext());
+        dao.open();
+        long result = dao.updateGames(game);
+        if (result > 0) {
+            Toast.makeText(this, "修改成功", Toast.LENGTH_SHORT).show();
+        } else {
+            Toast.makeText(this, "修改失败", Toast.LENGTH_SHORT).show();
+        }
+        dao.close();
+    }
+}

app/app/src/main/java/com/example/myexamproject/UpdateIFActivity.java

@@ -0,0 +1,103 @@
+package com.example.myexamproject;
+
+import android.os.Bundle;
+import android.view.View;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import com.example.myexamproject.bean.Student;
+import com.example.myexamproject.utils.StudentDbHelper;
+
+import java.util.LinkedList;
+
+/**
+ * 修改个人信息Activity类
+ */
+public class UpdateIFActivity extends AppCompatActivity {
+    private EditText etStuName, etMajor, etPhone, etQq, etAddress;
+    private TextView tvStuNumber;
+    private StudentDbHelper dbHelper;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_update_ifactivity);
+        tvStuNumber = findViewById(R.id.tv_stu_number);
+        tvStuNumber.setText(getIntent().getStringExtra("stu_number2"));
+        etStuName = findViewById(R.id.et_stu_name);
+        etMajor = findViewById(R.id.et_stu_major);
+        etPhone = findViewById(R.id.et_stu_phone);
+        etQq = findViewById(R.id.et_stu_qq);
+        etAddress = findViewById(R.id.et_stu_address);
+        dbHelper = new StudentDbHelper(getApplicationContext(), StudentDbHelper.DB_NAME, null, 1);
+        LinkedList<Student> students = dbHelper.readStudents(tvStuNumber.getText().toString());
+        if (students != null) {
+            for (Student student : students) {
+                etStuName.setText(student.getStuName());
+                etMajor.setText(student.getStuMajor());
+                etPhone.setText(student.getStuPhone());
+                etQq.setText(student.getStuQq());
+                etAddress.setText(student.getStuAddress());
+            }
+        }
+        Button btnBack = findViewById(R.id.btn_back);
+        btnBack.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                finish();
+            }
+        });
+        Button btnSaveInfo = findViewById(R.id.btn_save_info);
+        btnSaveInfo.setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View v) {
+                if (CheckInput()) {
+                    Student student = new Student();
+                    student.setStuNumber(tvStuNumber.getText().toString());
+                    student.setStuName(etStuName.getText().toString());
+                    student.setStuMajor(etMajor.getText().toString());
+                    student.setStuPhone(etPhone.getText().toString());
+                    student.setStuQq(etQq.getText().toString());
+                    student.setStuAddress(etAddress.getText().toString());
+                    dbHelper.saveStudent(student);
+                    Toast.makeText(getApplicationContext(), "用户信息保存成功!", Toast.LENGTH_SHORT).show();
+                    finish(); // 销毁当前界面
+                }
+            }
+        });
+    }
+
+    // 检查输入是否为空
+    private boolean CheckInput() {
+        String stuName = etStuName.getText().toString().trim();
+        String stuMajor = etMajor.getText().toString().trim();
+        String stuPhone = etPhone.getText().toString().trim();
+        String stuQq = etQq.getText().toString().trim();
+        String stuAddress = etAddress.getText().toString().trim();
+        if (stuName.isEmpty()) {
+            Toast.makeText(this, "姓名不能为空!", Toast.LENGTH_SHORT).show();
+            return false;
+        }
+        if (stuMajor.isEmpty()) {
+            Toast.makeText(this, "性别不能为空!", Toast.LENGTH_SHORT).show();
+            return false;
+        }
+        if (stuPhone.isEmpty()) {
+            Toast.makeText(this, "联系方式不能为空!", Toast.LENGTH_SHORT).show();
+            return false;
+        }
+        if (stuQq.isEmpty()) {
+            Toast.makeText(this, "QQ号不能为空!", Toast.LENGTH_SHORT).show();
+            return false;
+        }
+        if (stuAddress.isEmpty()) {
+            Toast.makeText(this, "地址不能为空!", Toast.LENGTH_SHORT).show();
+            return false;
+        }
+        return true;
+    }
+}

app/app/src/main/java/com/example/myexamproject/WelcomeActivity.java

@@ -0,0 +1,32 @@
+package com.example.myexamproject;
+
+import androidx.appcompat.app.AppCompatActivity;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.os.Handler;
+import android.view.Window;
+
+public class WelcomeActivity extends AppCompatActivity {
+    private static final int DELAY_MILLIS = 3000; // 3秒的延迟
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        requestWindowFeature(Window.FEATURE_NO_TITLE); // 隐藏标题栏
+        setContentView(R.layout.activity_welcome);
+
+        // 创建一个Handler来处理延迟跳转
+        final Handler handler = new Handler();
+        handler.postDelayed(new Runnable() {
+            @Override
+            public void run() {
+                // 跳转到LoginActivity
+                Intent intent = new Intent(WelcomeActivity.this, LoginActivity.class);
+                startActivity(intent);
+                // 关闭当前活动
+                WelcomeActivity.this.finish();
+            }
+        }, DELAY_MILLIS);
+    }
+}

app/app/src/main/java/com/example/myexamproject/bean/Game.java

@@ -0,0 +1,8 @@
+package com.example.myexamproject.bean;
+
+public class Game {
+    public String gamename;
+    public String gametime;
+    public String gamenote;
+    public String gameid;
+}

app/app/src/main/java/com/example/myexamproject/bean/Student.java

@@ -0,0 +1,60 @@
+package com.example.myexamproject.bean;
+
+
+public class Student {
+
+    private String stuNumber;
+    private String stuName;
+    private String stuMajor;
+    private String stuPhone;
+    private String stuQq;
+    private String stuAddress;
+
+    public String getStuNumber() {
+        return stuNumber;
+    }
+
+    public void setStuNumber(String stuNumber) {
+        this.stuNumber = stuNumber;
+    }
+
+    public String getStuName() {
+        return stuName;
+    }
+
+    public void setStuName(String stuName) {
+        this.stuName = stuName;
+    }
+
+    public String getStuMajor() {
+        return stuMajor;
+    }
+
+    public void setStuMajor(String stuMajor) {
+        this.stuMajor = stuMajor;
+    }
+
+    public String getStuPhone() {
+        return stuPhone;
+    }
+
+    public void setStuPhone(String stuPhone) {
+        this.stuPhone = stuPhone;
+    }
+
+    public String getStuQq() {
+        return stuQq;
+    }
+
+    public void setStuQq(String stuQq) {
+        this.stuQq = stuQq;
+    }
+
+    public String getStuAddress() {
+        return stuAddress;
+    }
+
+    public void setStuAddress(String stuAddress) {
+        this.stuAddress = stuAddress;
+    }
+}

app/app/src/main/java/com/example/myexamproject/utils/MD5Utils.java

@@ -0,0 +1,33 @@
+package com.example.myexamproject.utils;
+
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+
+public class MD5Utils {
+    //md5 加密算法
+    public static String md5(String text) {
+        MessageDigest digest = null;
+        try {
+            digest = MessageDigest.getInstance("md5");
+            byte[] result = digest.digest(text.getBytes());
+            //创建StringBuilder对象 然后建议StringBuffer，安全性高
+            StringBuffer sb = new StringBuffer();
+            // for 循环数组byte[] result;
+            for (byte b : result){
+                int number = b & 0xff;
+                // number值 转换 字符串 Integer.toHexString( );
+                String hex = Integer.toHexString(number);
+                if (hex.length() == 1){
+                    sb.append("0"+hex);
+                }else {
+                    sb.append(hex);
+                }
+            }
+            return sb.toString();
+        } catch (NoSuchAlgorithmException e) {
+            e.printStackTrace();
+            //发送异常return空字符串
+            return "";
+        }
+    }
+}

app/app/src/main/java/com/example/myexamproject/utils/MyDBHelper.java

@@ -0,0 +1,25 @@
+package com.example.myexamproject.utils;
+
+import android.content.Context;
+import android.database.sqlite.SQLiteDatabase;
+import android.database.sqlite.SQLiteOpenHelper;
+
+public class MyDBHelper extends SQLiteOpenHelper {
+    //常量定义
+    public static final String name = "db_game1.db";
+    public static final int DB_VERSION = 1;
+    //创建表
+    public static final String CREATE_USERDATA1 = "create table tb_Game(gameid char(10)primary key,gamename varchar(20),gametime varchar(20),gamenote varchar(20))";
+    public MyDBHelper(Context context) {
+        super(context, name, null, DB_VERSION);
+    }
+    @Override
+    public void onCreate(SQLiteDatabase db) {
+        db.execSQL(CREATE_USERDATA1);
+        db.execSQL("insert into tb_Game(gameid,gamename,gametime,gamenote)Values('111111','篮球赛','2024.6.1','无')");
+
+    }
+    @Override
+    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
+    }
+}

app/app/src/main/java/com/example/myexamproject/utils/MySQLiteOpenHelper.java

@@ -0,0 +1,114 @@
+package com.example.myexamproject.utils;
+
+
+
+import android.annotation.SuppressLint;
+import android.content.ContentValues;
+import android.content.Context;
+import android.database.Cursor;
+import android.database.sqlite.SQLiteDatabase;
+import android.database.sqlite.SQLiteException;
+
+
+import com.example.myexamproject.bean.Game;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Map;
+
+public class MySQLiteOpenHelper {
+
+    private Context context;
+    private MyDBHelper dbHelper;
+    private SQLiteDatabase db;
+
+    //构造函数
+    public MySQLiteOpenHelper(Context context) {
+        this.context = context;
+    }
+
+    //打开数据库方法
+    public void open() throws SQLiteException {
+        dbHelper = new MyDBHelper(context);
+        try {
+            db = dbHelper.getWritableDatabase();
+        } catch (SQLiteException ex) {
+            db = dbHelper.getReadableDatabase();
+        }
+    }
+
+    //关闭数据库方法
+    public void close() {
+        if (db != null) {
+            db.close();
+            db = null;
+        }
+    }
+
+
+    //添加发布信息内容
+    public long addGames(Game game) {
+        // 创建ContentValues对象
+        ContentValues values = new ContentValues();
+        // 向该对象中插入值
+        values.put("gameid", game.gameid);
+        values.put("gamename", game.gamename);
+        values.put("gametime", game.gametime);
+        values.put("gamenote", game.gamenote);
+
+        // 通过insert()方法插入数据库中
+        return db.insert("tb_Game", null, values);
+    }
+
+    //删除发布信息
+    public int deletGames(Game game) {
+        return db.delete("tb_Game", "gameid=?", new String[]{String.valueOf(game.gameid)});
+    }
+
+    //修改发布信息
+    public int updateGames(Game game) {
+        ContentValues value = new ContentValues();
+        value.put("gamename", game.gamename);
+        value.put("gametime", game.gametime);
+        value.put("gamenote", game.gamenote);
+        return db.update("tb_Game", value, "gameid=?", new String[]{String.valueOf(game.gameid)});
+    }
+
+    //根据游戏id查找以发布内容
+    @SuppressLint("Range")
+    public Game getGames(String gameid) {
+        Cursor cursor = db.query("tb_Game", null, "gameid=?", new String[]{gameid}, null, null, null);
+        Game game = new Game();
+        while (cursor.moveToNext()) {
+            game.gameid = cursor.getString(cursor.getColumnIndex("gameid"));
+            game.gamename = cursor.getString(cursor.getColumnIndex("gamename"));
+            game.gametime = cursor.getString(cursor.getColumnIndex("gametime"));
+            game.gamenote = cursor.getString(cursor.getColumnIndex("gamenote"));
+
+        }
+        return game;
+    }
+
+    //查找所有发布信息
+    @SuppressLint("Range")
+    public ArrayList<Map<String, Object>> getAllGames() {
+        ArrayList<Map<String, Object>> listGames = new ArrayList<Map<String, Object>>();
+        Cursor cursor = db.query("tb_Game", null, null, null, null, null,null);
+
+        int resultCounts = cursor.getCount();
+        if (resultCounts == 0 ) {
+            return null;
+        } else {
+            while (cursor.moveToNext()) {
+                Map<String, Object> map = new HashMap<String, Object>();
+                map.put("gameid", cursor.getString(cursor.getColumnIndex("gameid")));
+                map.put("gamename", cursor.getString(cursor.getColumnIndex("gamename")));
+                map.put("gametime", cursor.getString(cursor.getColumnIndex("gametime")));
+                map.put("gamenote", cursor.getString(cursor.getColumnIndex("gamenote")));
+
+                listGames.add(map);
+            }
+            return listGames;
+        }
+    }
+}

app/app/src/main/java/com/example/myexamproject/utils/StudentDbHelper.java

@@ -0,0 +1,87 @@
+package com.example.myexamproject.utils;
+
+
+
+import android.annotation.SuppressLint;
+import android.content.ContentValues;
+import android.content.Context;
+import android.database.Cursor;
+import android.database.sqlite.SQLiteDatabase;
+import android.database.sqlite.SQLiteOpenHelper;
+
+
+import com.example.myexamproject.bean.Student;
+
+import java.util.LinkedList;
+
+
+public class StudentDbHelper extends SQLiteOpenHelper {
+
+    //定义学生表
+    public static final String DB_NAME = "tb_student";
+    //创建表
+    private static final String CREATE_STUDENT_DB = "create table tb_student(" +
+            "id integer primary key autoincrement," +
+            "stuNumber text," +
+            "stuName text," +
+            "stuMajor text," +
+            "stuPhone text," +
+            "stuQq text," +
+            "stuAddress text)";
+
+    public StudentDbHelper(Context context, String name, SQLiteDatabase.CursorFactory factory, int version) {
+        super(context, name, factory, version);
+    }
+
+    @Override
+    public void onCreate(SQLiteDatabase db) {
+        db.execSQL(CREATE_STUDENT_DB);
+    }
+
+    @Override
+    public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) {
+
+    }
+
+    //保存学生信息
+    public void saveStudent(Student student) {
+        SQLiteDatabase db = this.getWritableDatabase();
+        ContentValues values = new ContentValues();
+        values.put("stuNumber",student.getStuNumber());
+        values.put("stuName",student.getStuName());
+        values.put("stuMajor",student.getStuMajor());
+        values.put("stuPhone",student.getStuPhone());
+        values.put("stuQq",student.getStuQq());
+        values.put("stuAddress",student.getStuAddress());
+        db.insert(DB_NAME,null,values);
+        values.clear();
+    }
+
+    //通过学号来读取信息
+    @SuppressLint("Range")
+    public LinkedList<Student> readStudents(String stuNumber) {
+        LinkedList<Student> students = new LinkedList<>();
+        SQLiteDatabase db = this.getWritableDatabase();
+        Cursor cursor = db.rawQuery("select * from tb_student where stuNumber=?",new String[]{stuNumber});
+        if(cursor.moveToFirst()) {
+            do {
+                String stuName = cursor.getString(cursor.getColumnIndex("stuName"));
+                String stuMajor = cursor.getString(cursor.getColumnIndex("stuMajor"));
+                String stuPhone = cursor.getString(cursor.getColumnIndex("stuPhone"));
+                String stuQq = cursor.getString(cursor.getColumnIndex("stuQq"));
+                String stuAddress = cursor.getString(cursor.getColumnIndex("stuAddress"));
+                Student student = new Student();
+                student.setStuName(stuName);
+                student.setStuMajor(stuMajor);
+                student.setStuPhone(stuPhone);
+                student.setStuQq(stuQq);
+                student.setStuAddress(stuAddress);
+                students.add(student);
+            }while (cursor.moveToNext());
+        }
+        cursor.close();
+        return students;
+    }
+
+}
+

app/app/src/main/res/drawable-v24/ic_launcher_foreground.xml

@@ -0,0 +1,30 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:aapt="http://schemas.android.com/aapt"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
+        <aapt:attr name="android:fillColor">
+            <gradient
+                android:endX="85.84757"
+                android:endY="92.4963"
+                android:startX="42.9492"
+                android:startY="49.59793"
+                android:type="linear">
+                <item
+                    android:color="#44000000"
+                    android:offset="0.0" />
+                <item
+                    android:color="#00000000"
+                    android:offset="1.0" />
+            </gradient>
+        </aapt:attr>
+    </path>
+    <path
+        android:fillColor="#FFFFFF"
+        android:fillType="nonZero"
+        android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
+        android:strokeWidth="1"
+        android:strokeColor="#00000000" />
+</vector>

app/app/src/main/res/drawable/btn_bg_selector.xml

@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+
+
+    <item android:state_pressed="true" android:drawable="@android:color/holo_green_light"/>
+    <item android:state_pressed="false" android:drawable="@android:color/holo_green_dark"/>
+
+</selector>

app/app/src/main/res/drawable/btn_selector.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:state_pressed="true" android:drawable="@drawable/shape_btn_pressed"/>
+    <item android:drawable="@drawable/shape_btn_normal"/>
+</selector>

app/app/src/main/res/drawable/button_style.xml

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector
+    xmlns:android="http://schemas.android.com/apk/res/android">
+    <!--按钮按下时-->
+    <item android:state_pressed="true">
+        <shape>
+            <!--设置圆角-->
+            <corners android:radius="20dp"/>
+            <!--设置背景颜色-->
+            <solid android:color="#A103A9F4"/>
+        </shape>
+    </item>
+    <!--按钮弹起时-->
+    <item>
+        <shape>
+            <!--设置圆角-->
+            <corners android:radius="100dp"/>
+            <!--设置背景颜色-->
+            <solid android:color="#A94CAF50"/>
+        </shape>
+    </item>
+
+</selector>

app/app/src/main/res/drawable/edit_text.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <!--设置圆角-->
+    <corners android:radius="18dp"/>
+    <!--设置背景颜色-->
+    <solid android:color="#704CAF50"/>
+</shape>

app/app/src/main/res/drawable/edit_text_bg.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android"
+    android:shape="rectangle">
+
+    <stroke android:width="3dp" android:color="@color/black"/>
+
+    <corners android:radius="10dp"/>
+
+</shape>

app/app/src/main/res/drawable/editext_selector.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<selector xmlns:android="http://schemas.android.com/apk/res/android">
+    <item android:state_focused="true" android:drawable="@drawable/shape_edit_focus"/>
+    <item android:drawable="@drawable/shape_edit_normal"/>
+</selector>

app/app/src/main/res/drawable/ic_launcher_background.xml

@@ -0,0 +1,170 @@
+<?xml version="1.0" encoding="utf-8"?>
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <path
+        android:fillColor="#3DDC84"
+        android:pathData="M0,0h108v108h-108z" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M9,0L9,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,0L19,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,0L29,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,0L39,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,0L49,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,0L59,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,0L69,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,0L79,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M89,0L89,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M99,0L99,108"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,9L108,9"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,19L108,19"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,29L108,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,39L108,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,49L108,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,59L108,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,69L108,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,79L108,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,89L108,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M0,99L108,99"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,29L89,29"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,39L89,39"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,49L89,49"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,59L89,59"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,69L89,69"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M19,79L89,79"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M29,19L29,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M39,19L39,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M49,19L49,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M59,19L59,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M69,19L69,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+    <path
+        android:fillColor="#00000000"
+        android:pathData="M79,19L79,89"
+        android:strokeWidth="0.8"
+        android:strokeColor="#33FFFFFF" />
+</vector>

app/app/src/main/res/drawable/shape_btn_normal.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <solid android:color="#E91E63"/>
+    <corners android:radius="30dp"/>
+    <stroke android:width="1dp" android:color="#9C27B0"/>
+    <padding android:bottom="2dp" android:left="2dp" android:right="2dp" android:top="2dp" />
+</shape>

app/app/src/main/res/drawable/shape_btn_pressed.xml

@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android">
+    <solid android:color="#E91E63"/>
+    <corners android:radius="30dp"/>
+    <stroke android:width="1dp" android:color="#9C27B0"/>
+    <padding android:bottom="2dp" android:left="2dp" android:right="2dp" android:top="2dp" />
+</shape>

app/app/src/main/res/drawable/shape_edit_focus.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android" >
+
+    <solid android:color="#ffffff" />
+
+    <stroke
+        android:width="1dp"
+        android:color="#ff0000ff" />
+
+    <corners
+        android:bottomLeftRadius="10dp"
+        android:bottomRightRadius="10dp"
+        android:topLeftRadius="10dp"
+        android:topRightRadius="10dp" />
+
+    <padding
+        android:bottom="2dp"
+        android:left="2dp"
+        android:right="2dp"
+        android:top="2dp" />
+
+</shape>

app/app/src/main/res/drawable/shape_edit_normal.xml

@@ -0,0 +1,22 @@
+<?xml version="1.0" encoding="utf-8"?>
+<shape xmlns:android="http://schemas.android.com/apk/res/android" >
+
+    <solid android:color="#ffffff" />
+
+    <stroke
+        android:width="1dp"
+        android:color="#ffaaaaaa" />
+
+    <corners
+        android:bottomLeftRadius="10dp"
+        android:bottomRightRadius="10dp"
+        android:topLeftRadius="10dp"
+        android:topRightRadius="10dp" />
+
+    <padding
+        android:bottom="2dp"
+        android:left="2dp"
+        android:right="2dp"
+        android:top="2dp" />
+
+</shape>

app/app/src/main/res/layout/activity_add_games.xml

@@ -0,0 +1,192 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:padding="10dp"
+    android:layout_height="match_parent"
+    android:background="@drawable/bg">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:orientation="vertical">
+
+        <TextView
+            android:id="@+id/tv"
+            android:layout_width="match_parent"
+            android:layout_height="120dp"
+            android:gravity="center"
+            android:text="发布活动内容"
+            android:textSize="30sp"
+            android:textColor="#516D2C"/>
+
+        <ImageView
+            android:layout_width="144dp"
+            android:layout_height="140dp"
+            android:layout_gravity="center"
+            android:layout_marginBottom="20dp"
+            android:src="@drawable/usercre" />
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="50dp"
+            android:orientation="horizontal"
+            android:layout_marginTop="10dp">
+
+            <ImageView
+                android:layout_width="25dp"
+                android:layout_height="50dp"
+                android:src="@drawable/id"
+                android:layout_marginRight="5dp"/>
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="match_parent"
+                android:text="活 动 id   ："
+                android:textSize="20sp"
+                android:gravity="center"
+                android:textColor="#000000"/>
+
+            <EditText
+                android:id="@+id/et_gameid"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:hint="请输入活动id"
+                android:background="@drawable/editext_selector"
+                android:textSize="20sp"
+                android:textColor="#000000"
+                android:inputType="text"
+                android:layout_marginTop="5dp"
+                android:layout_marginBottom="5dp"
+                android:gravity="left|center"
+                android:maxLength="20"
+                android:paddingLeft="10dp"/>
+        </LinearLayout>
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="50dp"
+            android:orientation="horizontal"
+            android:layout_marginTop="10dp">
+
+            <ImageView
+                android:layout_width="25dp"
+                android:layout_height="50dp"
+                android:src="@drawable/user"
+                android:layout_marginRight="5dp"/>
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="match_parent"
+                android:text="活动名称："
+                android:textSize="20sp"
+                android:gravity="center"
+                android:textColor="#000000"/>
+
+            <EditText
+                android:id="@+id/et_gamename"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:hint="请输入活动名称"
+                android:background="@drawable/editext_selector"
+                android:textSize="20sp"
+                android:textColor="#000000"
+                android:inputType="text"
+                android:layout_marginTop="5dp"
+                android:layout_marginBottom="5dp"
+                android:gravity="left|center"
+                android:maxLength="20"
+                android:paddingLeft="10dp"/>
+        </LinearLayout>
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="50dp"
+            android:orientation="horizontal"
+            android:layout_marginTop="10dp">
+
+            <ImageView
+                android:layout_width="25dp"
+                android:layout_height="32dp"
+                android:src="@drawable/major"
+                android:layout_marginRight="5dp"
+                android:layout_gravity="center"/>
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="match_parent"
+                android:text="活动时间："
+                android:textSize="20sp"
+                android:gravity="center"
+                android:textColor="#000000"/>
+
+            <AutoCompleteTextView
+                android:id="@+id/et_gametime"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:hint="请输入活动时间"
+                android:background="@drawable/editext_selector"
+                android:textSize="20sp"
+                android:textColor="#000000"
+                android:inputType="text"
+                android:layout_marginTop="5dp"
+                android:layout_marginBottom="5dp"
+                android:gravity="left|center"
+                android:maxLength="20"
+                android:paddingLeft="10dp"
+                android:completionThreshold="0"
+                android:completionHint="选择专业"/>
+        </LinearLayout>
+
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="50dp"
+            android:orientation="horizontal"
+            android:layout_marginTop="10dp">
+
+            <ImageView
+                android:layout_width="25dp"
+                android:layout_height="50dp"
+                android:src="@drawable/isbn"
+                android:layout_marginRight="5dp"/>
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="match_parent"
+                android:text="备        注："
+                android:textSize="20sp"
+                android:gravity="center"
+                android:textColor="#000000"/>
+
+            <EditText
+                android:id="@+id/et_gamenote"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:hint="请输入备注"
+                android:background="@drawable/editext_selector"
+                android:textSize="20sp"
+                android:textColor="#000000"
+                android:inputType="text"
+                android:layout_marginTop="5dp"
+                android:layout_marginBottom="5dp"
+                android:gravity="left|center"
+                android:maxLength="6"
+                android:paddingLeft="10dp"/>
+        </LinearLayout>
+
+        <Button
+            android:id="@+id/btn_add"
+            android:layout_width="match_parent"
+            android:layout_height="50dp"
+            android:text="发布"
+            android:gravity="center"
+            android:textSize="20sp"
+            android:textColor="#FFFFFF"
+            android:background="@drawable/btn_selector"
+            android:layout_marginTop="10dp"/>
+
+
+    </LinearLayout>
+
+
+</RelativeLayout>

app/app/src/main/res/layout/activity_back.xml

@@ -0,0 +1,63 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    android:background="@drawable/bg"
+    tools:context=".BackActivity">
+
+
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="120dp"
+        android:gravity="center"
+        android:text="确定要退出登录"
+        android:textSize="30sp"
+        android:textColor="#516D2C"/>
+
+
+    <ImageView
+        android:layout_width="140dp"
+        android:layout_height="140dp"
+        android:layout_gravity="center"
+        android:layout_marginTop="40dp"
+        app:srcCompat="@drawable/back" />
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_marginTop="40dp"
+        android:layout_centerVertical="true">
+
+        <Button
+            android:id="@+id/bt_backfalse"
+            android:layout_width="170dp"
+            android:layout_height="50dp"
+            android:layout_marginLeft="20dp"
+            android:layout_marginTop="15dp"
+            android:layout_marginRight="10dp"
+            android:background="@drawable/btn_selector"
+            android:text="取消"
+            android:textColor="#FFFFFF"
+            android:textSize="20sp" />
+
+        <Button
+            android:id="@+id/bt_backtrue"
+            android:layout_width="170dp"
+            android:layout_height="50dp"
+            android:layout_marginTop="15dp"
+            android:layout_marginLeft="10dp"
+            android:background="@drawable/btn_selector"
+            android:text="确定"
+            android:textColor="#FFFFFF"
+            android:textSize="20sp" />
+
+
+    </LinearLayout>
+
+
+
+
+</LinearLayout>

app/app/src/main/res/layout/activity_delete_games.xml

@@ -0,0 +1,182 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--修改 activity_register.xml 为 LinearLayout 布局-->
+<LinearLayout
+
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/activity_register"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@drawable/bg"
+    android:orientation="vertical">
+
+    <!--三个编辑框-->
+
+    <TextView
+        android:id="@+id/textView"
+        android:layout_width="match_parent"
+        android:layout_height="100dp"
+        android:gravity="center"
+        android:text="删除活动内容"
+        android:textColor="#516D2C"
+        android:textSize="30sp" />
+
+    <ImageView
+        android:layout_width="140dp"
+        android:layout_height="140dp"
+        android:layout_gravity="center_horizontal"
+        android:layout_marginTop="10dp"
+        android:src="@drawable/userdel" />
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_centerVertical="true"
+        android:layout_marginLeft="10dp"
+        android:layout_marginTop="20dp"
+        android:layout_marginRight="10dp"
+        android:layout_marginBottom="5dp">
+
+        <ImageView
+            android:layout_width="25dp"
+            android:layout_height="50dp"
+            android:src="@drawable/id"
+            android:layout_marginRight="5dp"/>
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="match_parent"
+            android:text="活 动 id   ："
+            android:textSize="20sp"
+            android:gravity="center"
+            android:textColor="#000000"/>
+        <EditText
+            android:id="@+id/et_gameid"
+            android:layout_width="150dp"
+            android:layout_height="wrap_content"
+            android:layout_marginLeft="5dp"
+            android:background="@drawable/editext_selector"
+
+            android:padding="10dp" />
+
+        <Button
+            android:id="@+id/btn_search"
+            android:layout_width="100dp"
+            android:layout_height="wrap_content"
+            android:layout_marginLeft="5dp"
+            android:layout_marginRight="5dp"
+            android:background="@drawable/btn_selector"
+            android:padding="5dp"
+            android:text="查询"
+            android:textColor="#ffffff"
+            android:textSize="20sp" />
+    </LinearLayout>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_centerVertical="true"
+        android:layout_marginTop="20dp"
+        android:layout_marginBottom="5dp"
+        android:layout_marginLeft="10dp"
+        android:layout_marginRight="10dp"
+        >
+        <ImageView
+            android:layout_width="25dp"
+            android:layout_height="50dp"
+            android:src="@drawable/user"
+            android:layout_marginRight="5dp"/>
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="match_parent"
+            android:text="活动名称："
+            android:textSize="20sp"
+            android:gravity="center"
+            android:textColor="#000000"/>
+
+        <EditText
+            android:id="@+id/et_gamename"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginLeft="5dp"
+            android:background="@drawable/editext_selector"
+            android:padding="10dp" />
+    </LinearLayout>
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_centerVertical="true"
+        android:layout_marginTop="20dp"
+        android:layout_marginBottom="5dp"
+        android:layout_marginLeft="10dp"
+        android:layout_marginRight="10dp"
+        >
+        <ImageView
+            android:layout_width="25dp"
+            android:layout_height="32dp"
+            android:src="@drawable/major"
+            android:layout_marginRight="5dp"
+            android:layout_gravity="center"/>
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="match_parent"
+            android:text="活动时间："
+            android:textSize="20sp"
+            android:gravity="center"
+            android:textColor="#000000"/>
+
+        <EditText
+            android:id="@+id/et_gametime"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginLeft="5dp"
+            android:background="@drawable/editext_selector"
+            android:padding="10dp"/>
+    </LinearLayout>
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_centerVertical="true"
+        android:layout_marginBottom="5dp"
+        android:layout_marginTop="20dp"
+        android:layout_marginLeft="10dp"
+        android:layout_marginRight="10dp"
+        >
+        <ImageView
+            android:layout_width="25dp"
+            android:layout_height="50dp"
+            android:src="@drawable/isbn"
+            android:layout_marginRight="5dp"/>
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="match_parent"
+            android:text="备        注："
+            android:textSize="20sp"
+            android:gravity="center"
+            android:textColor="#000000"/>
+        <EditText
+            android:id="@+id/et_gamenote"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginLeft="5dp"
+            android:background="@drawable/editext_selector"
+
+            android:padding="10dp"/>
+    </LinearLayout>
+
+
+    <Button
+        android:id="@+id/btn_delete"
+        android:layout_width="415dp"
+        android:layout_height="50dp"
+        android:layout_gravity="center_horizontal"
+        android:layout_marginLeft="35dp"
+        android:layout_marginTop="5dp"
+        android:layout_marginRight="35dp"
+        android:background="@drawable/btn_selector"
+        android:text="删除"
+        android:textColor="#FFFFFF"
+        android:textSize="20sp" />
+
+
+</LinearLayout>

app/app/src/main/res/layout/activity_login.xml

@@ -0,0 +1,107 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@drawable/bg"
+    android:orientation="vertical"
+    tools:context=".MainActivity">
+
+
+    <TextView
+        android:layout_width="match_parent"
+        android:layout_height="100dp"
+        android:gravity="center"
+        android:text="欢迎进入活动查询软件"
+        android:textColor="#516D2C"
+        android:textSize="26sp" />
+
+    <ImageView
+        android:layout_width="200dp"
+        android:layout_height="200dp"
+        android:src="@drawable/tubiao"
+        android:layout_gravity="center"/>
+
+    <RelativeLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content">
+
+        <EditText
+            android:id="@+id/username"
+            android:layout_width="match_parent"
+            android:layout_height="50dp"
+            android:layout_marginTop="50dp"
+            android:background="@drawable/editext_selector"
+            android:hint="请输入用户名"
+            android:inputType="text"
+            android:paddingLeft="10dp"
+            android:textColor="#000000"
+            android:textSize="20sp" />
+
+        <EditText
+            android:id="@+id/pwd"
+            android:layout_width="match_parent"
+            android:layout_height="50dp"
+            android:layout_marginTop="110dp"
+            android:hint="请输入密码"
+            android:background="@drawable/editext_selector"
+            android:textColor="#000000"
+            android:inputType="textPassword"
+            android:paddingLeft="10dp"
+            android:textSize="20sp"/>
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:orientation="horizontal"
+            android:layout_below="@+id/pwd"
+            android:layout_margin="10dp">
+
+            <CheckBox
+                android:id="@+id/save_pwd"
+                android:layout_width="0dp"
+                android:layout_weight="1"
+                android:layout_height="wrap_content"
+                android:layout_marginLeft="3dp"
+                android:text="记住密码"
+                android:textSize="20sp"/>
+
+
+            <TextView
+                android:id="@+id/register"
+                android:layout_width="0dp"
+                android:layout_weight="1"
+                android:layout_height="wrap_content"
+                android:text="注册"
+                android:textColor="#000000"
+                android:gravity="right"
+                android:layout_marginRight="5dp"
+                android:textSize="20sp"
+                android:clickable="true"/>
+        </LinearLayout>
+
+    </RelativeLayout>
+
+    <LinearLayout
+        android:layout_marginTop="10dp"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal">
+
+        <Button
+            android:id="@+id/loginBtn"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="登录"
+            android:textColor="#FFFFFF"
+            android:background="@drawable/btn_selector"
+            android:textSize="23sp"/>
+
+
+    </LinearLayout>
+
+
+
+
+</LinearLayout>

app/app/src/main/res/layout/activity_main.xml

@@ -0,0 +1,112 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:background="@drawable/bg">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="590dp"
+        android:orientation="vertical"
+        android:padding="20dp">
+
+        <ImageView
+            android:layout_width="200dp"
+            android:layout_height="200dp"
+            android:layout_gravity="center"
+            android:layout_marginTop="30dp"
+            android:layout_marginBottom="30dp"
+            android:src="@drawable/logo2" />
+
+        <Button
+            android:id="@+id/bt_updatee"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_margin="10dp"
+            android:background="@drawable/btn_selector"
+            android:text="修改"
+            android:textColor="#FFFFFF"
+            android:textSize="20sp" />
+
+        <Button
+            android:id="@+id/bt_deletee"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_margin="10dp"
+            android:background="@drawable/btn_selector"
+            android:text="删除"
+            android:textColor="#FFFFFF"
+            android:textSize="20sp" />
+
+        <Button
+            android:id="@+id/bt_read"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_margin="10dp"
+            android:background="@drawable/btn_selector"
+            android:text="查看"
+            android:textColor="#FFFFFF"
+            android:textSize="20sp" />
+
+
+    </LinearLayout>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content">
+
+        <ImageButton
+            android:id="@+id/bt_home"
+            android:layout_width="25dp"
+            android:layout_height="30dp"
+            android:layout_marginLeft="60dp"
+            android:layout_marginTop="5dp"
+            android:src="@drawable/function" />
+
+        <ImageButton
+            android:id="@+id/bt_add"
+            android:layout_width="40dp"
+            android:layout_height="40dp"
+            android:layout_marginLeft="100dp"
+            android:layout_marginTop="5dp"
+            android:src="@drawable/add" />
+        <ImageButton
+            android:id="@+id/bt_personal"
+            android:layout_width="30dp"
+            android:layout_height="30dp"
+            android:layout_marginLeft="100dp"
+            android:layout_marginTop="5dp"
+            android:src="@drawable/personal" />
+    </LinearLayout>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content">
+        <TextView
+            android:id="@+id/tv_home_page"
+            android:layout_width="50dp"
+            android:layout_height="20dp"
+            android:text="功能页"
+            android:textSize="15sp"
+            android:textStyle="bold"
+            android:layout_marginLeft="55dp" />
+        <TextView
+            android:id="@+id/tv_add_product"
+            android:layout_width="70dp"
+            android:layout_height="20dp"
+            android:text="发布页"
+            android:textStyle="bold"
+            android:textSize="15sp"
+            android:layout_marginLeft="82dp" />
+        <TextView
+            android:id="@+id/tv_personal_center"
+            android:layout_width="70dp"
+            android:layout_height="20dp"
+            android:text="个人页"
+            android:textSize="15sp"
+            android:textStyle="bold"
+            android:layout_marginLeft="68dp" />
+    </LinearLayout>
+
+</LinearLayout>

app/app/src/main/res/layout/activity_my_ifactivity.xml

@@ -0,0 +1,264 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:background="@drawable/bg"
+    android:padding="10dp"
+    >
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:orientation="vertical">
+
+        <TextView
+            android:id="@+id/tv"
+            android:layout_width="match_parent"
+            android:layout_height="120dp"
+            android:gravity="center"
+            android:text="个人信息"
+            android:textSize="30sp"
+            android:textColor="#516D2C"/>
+
+
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="50dp"
+            android:orientation="horizontal"
+            android:layout_marginTop="10dp">
+
+            <ImageView
+                android:layout_width="30dp"
+                android:layout_height="40dp"
+                android:layout_gravity="center"
+                android:src="@drawable/manager"
+                android:layout_marginRight="5dp"/>
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="match_parent"
+                android:text="账号："
+                android:textSize="20sp"
+                android:gravity="center"
+                android:textColor="#000000"/>
+
+            <EditText
+                android:id="@+id/tv_stu_number"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:background="@drawable/editext_selector"
+                android:textSize="20sp"
+                android:textColor="#000000"
+                android:inputType="text"
+                android:layout_marginTop="5dp"
+                android:layout_marginBottom="5dp"
+                android:gravity="left|center"
+                android:maxLength="20"
+                android:paddingLeft="10dp"/>
+        </LinearLayout>
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="50dp"
+            android:orientation="horizontal"
+            android:layout_marginTop="10dp">
+
+            <ImageView
+                android:layout_width="30dp"
+                android:layout_height="50dp"
+                android:src="@drawable/name"
+                android:layout_marginRight="5dp"/>
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="match_parent"
+                android:text="姓名："
+                android:textSize="20sp"
+                android:gravity="center"
+                android:textColor="#000000"/>
+
+            <EditText
+                android:id="@+id/tv_stu_name"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:text="暂未填写"
+                android:background="@drawable/editext_selector"
+                android:textSize="20sp"
+                android:textColor="#000000"
+                android:layout_marginTop="5dp"
+                android:layout_marginBottom="5dp"
+                android:gravity="left|center"
+                android:maxLength="20"
+                android:paddingLeft="10dp"/>
+        </LinearLayout>
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="50dp"
+            android:orientation="horizontal"
+            android:layout_marginTop="10dp">
+
+            <ImageView
+                android:layout_width="30dp"
+                android:layout_height="50dp"
+                android:src="@drawable/gender"
+                android:layout_marginRight="5dp"/>
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="match_parent"
+                android:text="性别："
+                android:textSize="20sp"
+                android:gravity="center"
+                android:textColor="#000000"/>
+
+            <EditText
+                android:id="@+id/tv_stu_major"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:text="暂未填写"
+                android:background="@drawable/editext_selector"
+                android:textSize="20sp"
+                android:textColor="#000000"
+                android:layout_marginTop="5dp"
+                android:layout_marginBottom="5dp"
+                android:gravity="left|center"
+                android:maxLength="20"
+                android:paddingLeft="10dp"/>
+        </LinearLayout>
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="50dp"
+            android:orientation="horizontal"
+            android:layout_marginTop="10dp">
+
+            <ImageView
+                android:layout_width="30dp"
+                android:layout_height="40dp"
+                android:layout_gravity="center"
+                android:src="@drawable/phone"
+                android:layout_marginRight="5dp"/>
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="match_parent"
+                android:text="电话："
+                android:textSize="20sp"
+                android:gravity="center"
+                android:textColor="#000000"/>
+
+            <EditText
+                android:id="@+id/tv_stu_phone"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:text="暂未填写"
+                android:background="@drawable/editext_selector"
+                android:textSize="20sp"
+                android:textColor="#000000"
+                android:inputType="text"
+                android:layout_marginTop="5dp"
+                android:layout_marginBottom="5dp"
+                android:gravity="left|center"
+                android:maxLength="20"
+                android:paddingLeft="10dp"/>
+        </LinearLayout>
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="50dp"
+            android:orientation="horizontal"
+            android:layout_marginTop="10dp">
+
+            <ImageView
+                android:layout_width="30dp"
+                android:layout_height="50dp"
+                android:src="@drawable/qq"
+                android:layout_marginRight="5dp"/>
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="match_parent"
+                android:text=" Q Q ："
+                android:textSize="20sp"
+                android:gravity="center"
+                android:textColor="#000000"/>
+
+            <EditText
+                android:id="@+id/tv_stu_qq"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:layout_marginTop="5dp"
+                android:layout_marginBottom="5dp"
+                android:background="@drawable/editext_selector"
+                android:gravity="left|center"
+                android:text="暂未填写"
+                android:maxLength="20"
+                android:paddingLeft="10dp"
+                android:textColor="#000000"
+                android:textSize="20sp" />
+        </LinearLayout>
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="50dp"
+            android:orientation="horizontal"
+            android:layout_marginTop="10dp">
+
+            <ImageView
+                android:layout_width="30dp"
+                android:layout_height="50dp"
+                android:src="@drawable/hobby"
+                android:layout_marginRight="5dp"/>
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="match_parent"
+                android:text="地址："
+                android:textSize="20sp"
+                android:gravity="center"
+                android:textColor="#000000"/>
+
+            <EditText
+                android:id="@+id/tv_stu_address"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:text="暂未填写"
+                android:background="@drawable/editext_selector"
+                android:textSize="20sp"
+                android:textColor="#000000"
+                android:layout_marginTop="5dp"
+                android:layout_marginBottom="5dp"
+                android:gravity="left|center"
+                android:maxLength="20"
+                android:paddingLeft="10dp"/>
+        </LinearLayout>
+
+
+        <Button
+            android:id="@+id/btn_modify_info"
+            android:layout_width="match_parent"
+            android:layout_height="50dp"
+            android:text="修改"
+            android:gravity="center"
+            android:textSize="20sp"
+            android:textColor="#FFFFFF"
+            android:background="@drawable/btn_selector"
+            android:layout_marginTop="15dp"/>
+        <Button
+            android:id="@+id/btn_back"
+            android:layout_width="match_parent"
+            android:layout_height="50dp"
+            android:text="取消"
+            android:gravity="center"
+            android:textSize="20sp"
+            android:textColor="#FFFFFF"
+            android:background="@drawable/btn_selector"
+            android:layout_marginTop="15dp"/>
+
+
+
+    </LinearLayout>
+
+</RelativeLayout>

app/app/src/main/res/layout/activity_personal_center.xml

@@ -0,0 +1,68 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:background="@drawable/bg">
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:orientation="vertical"
+        android:padding="20dp">
+
+        <TextView
+            android:id="@+id/tv_student_number"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:textSize="18sp"
+            android:textColor="@color/black"
+            android:layout_marginTop="10dp"
+            android:gravity="center_horizontal"
+            android:textStyle="italic"/>
+
+        <ImageView
+            android:layout_width="200dp"
+            android:layout_height="200dp"
+            android:src="@drawable/logo2"
+            android:layout_marginTop="20dp"
+            android:layout_marginBottom="20dp"
+            android:layout_gravity="center"/>
+
+
+        <Button
+            android:id="@+id/btn_user_info"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="个人信息"
+            android:textColor="#FFFFFF"
+            android:background="@drawable/btn_selector"
+            android:textSize="20sp"
+            android:layout_margin="10dp"/>
+
+
+        <Button
+            android:id="@+id/btn_logout"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="退出登录"
+            android:textColor="#FFFFFF"
+            android:background="@drawable/btn_selector"
+            android:textSize="20sp"
+            android:layout_margin="10dp"/>
+
+
+        <Button
+            android:id="@+id/bt_back"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:text="返回"
+            android:layout_margin="10dp"
+            android:textColor="#FFFFFF"
+            android:background="@drawable/btn_selector"
+            android:textSize="20sp"
+            />
+
+    </LinearLayout>
+
+</LinearLayout>

app/app/src/main/res/layout/activity_query_games.xml

@@ -0,0 +1,79 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    android:background="@drawable/bg"
+    android:padding="5dp" >
+    <TextView
+        android:id="@+id/tv"
+        android:layout_height="wrap_content"
+        android:layout_width="match_parent"
+        android:gravity="center"
+        android:text="具体信息如下:"
+        android:textSize="22sp"
+        android:textColor="#516D2C" />
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content" >
+        <ImageView
+            android:layout_width="25dp"
+            android:layout_height="25dp"
+            android:src="@drawable/id"/>
+        <TextView
+            android:id="@+id/c_orderid"
+            android:layout_weight="1"
+            android:gravity="center"
+            android:text="id"
+            android:textSize="20sp"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content" />
+        <ImageView
+            android:layout_width="25dp"
+            android:layout_height="25dp"
+            android:src="@drawable/user"/>
+        <TextView
+            android:id="@+id/c_username"
+            android:layout_weight="1"
+            android:gravity="center"
+            android:text="活动"
+            android:textSize="20sp"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content" />
+        <ImageView
+            android:layout_width="25dp"
+            android:layout_height="25dp"
+            android:src="@drawable/major"/>
+        <TextView
+            android:id="@+id/c_name"
+            android:layout_weight="1"
+            android:gravity="center"
+            android:text="时间"
+            android:textSize="20sp"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content" />
+        <ImageView
+            android:layout_width="25dp"
+            android:layout_height="25dp"
+            android:src="@drawable/isbn2"/>
+
+        <TextView
+            android:id="@+id/c_price"
+            android:gravity="center"
+            android:text="备注"
+            android:textSize="20sp"
+            android:layout_width="wrap_content"
+            android:layout_height="wrap_content" />
+
+    </LinearLayout>
+    <ListView
+        android:id="@+id/lst_orders"
+        android:layout_width="match_parent"
+        android:layout_height="537dp">
+
+    </ListView>
+
+
+
+</LinearLayout>

app/app/src/main/res/layout/activity_register.xml

@@ -0,0 +1,154 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:background="@drawable/bg"
+    android:padding="10dp"
+    >
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:orientation="vertical">
+
+        <TextView
+            android:id="@+id/tv"
+            android:layout_width="match_parent"
+            android:layout_height="120dp"
+            android:gravity="center"
+            android:text="注册"
+            android:textSize="30sp"
+            android:textColor="#516D2C"/>
+
+        <ImageView
+            android:layout_width="140dp"
+            android:layout_height="140dp"
+            android:src="@drawable/register"
+            android:layout_gravity="center"
+            android:layout_marginBottom="20dp"/>
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="50dp"
+            android:orientation="horizontal"
+            android:layout_marginTop="10dp">
+
+            <ImageView
+                android:layout_width="30dp"
+                android:layout_height="40dp"
+                android:layout_gravity="center"
+                android:src="@drawable/manager"
+                android:layout_marginRight="5dp"/>
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="match_parent"
+                android:text="用户："
+                android:textSize="20sp"
+                android:gravity="center"
+                android:textColor="#000000"/>
+
+            <EditText
+                android:id="@+id/username"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:hint="请输入用户名"
+                android:background="@drawable/editext_selector"
+                android:textSize="20sp"
+                android:textColor="#000000"
+                android:inputType="text"
+                android:layout_marginTop="5dp"
+                android:layout_marginBottom="5dp"
+                android:gravity="left|center"
+                android:maxLength="20"
+                android:paddingLeft="10dp"/>
+        </LinearLayout>
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="50dp"
+            android:orientation="horizontal"
+            android:layout_marginTop="10dp">
+
+            <ImageView
+                android:layout_width="30dp"
+                android:layout_height="50dp"
+                android:src="@drawable/password"
+                android:layout_marginRight="5dp"/>
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="match_parent"
+                android:text="密码："
+                android:textSize="20sp"
+                android:gravity="center"
+                android:textColor="#000000"/>
+
+            <EditText
+                android:id="@+id/pwd"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:hint="请输入密码"
+                android:background="@drawable/editext_selector"
+                android:textSize="20sp"
+                android:textColor="#000000"
+                android:inputType="textPassword"
+                android:layout_marginTop="5dp"
+                android:layout_marginBottom="5dp"
+                android:gravity="left|center"
+                android:maxLength="20"
+                android:paddingLeft="10dp"/>
+        </LinearLayout>
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="50dp"
+            android:orientation="horizontal"
+            android:layout_marginTop="10dp">
+
+            <ImageView
+                android:layout_width="30dp"
+                android:layout_height="50dp"
+                android:src="@drawable/key"
+                android:layout_marginRight="5dp"/>
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="match_parent"
+                android:text="确认密码："
+                android:textSize="20sp"
+                android:gravity="center"
+                android:textColor="#000000"/>
+
+            <EditText
+                android:id="@+id/pwd2"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:hint="请确认密码"
+                android:background="@drawable/editext_selector"
+                android:textSize="20sp"
+                android:textColor="#000000"
+                android:inputType="textPassword"
+                android:layout_marginTop="5dp"
+                android:layout_marginBottom="5dp"
+                android:gravity="left|center"
+                android:maxLength="20"
+                android:paddingLeft="10dp"/>
+        </LinearLayout>
+
+        <Button
+            android:id="@+id/registerBtn"
+            android:layout_width="match_parent"
+            android:layout_height="50dp"
+            android:text="注册"
+            android:gravity="center"
+            android:textSize="20sp"
+            android:textColor="#FFFFFF"
+            android:background="@drawable/btn_selector"
+            android:layout_marginTop="15dp"/>
+
+
+
+    </LinearLayout>
+
+</RelativeLayout>

app/app/src/main/res/layout/activity_update_games.xml

@@ -0,0 +1,182 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--修改 activity_register.xml 为 LinearLayout 布局-->
+<LinearLayout
+
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:id="@+id/activity_register"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:background="@drawable/bg"
+    android:orientation="vertical">
+
+    <!--三个编辑框-->
+
+    <TextView
+        android:id="@+id/textView"
+        android:layout_width="match_parent"
+        android:layout_height="100dp"
+        android:gravity="center"
+        android:text="更改发布内容"
+        android:textColor="#516D2C"
+        android:textSize="30sp" />
+
+    <ImageView
+        android:layout_width="140dp"
+        android:layout_height="140dp"
+        android:layout_gravity="center_horizontal"
+        android:layout_marginTop="10dp"
+        android:src="@drawable/userupd" />
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_centerVertical="true"
+        android:layout_marginLeft="10dp"
+        android:layout_marginTop="20dp"
+        android:layout_marginRight="10dp"
+        android:layout_marginBottom="5dp">
+
+        <ImageView
+            android:layout_width="25dp"
+            android:layout_height="50dp"
+            android:src="@drawable/id"
+            android:layout_marginRight="5dp"/>
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="match_parent"
+            android:gravity="center"
+            android:text="活 动 id   ："
+            android:textColor="#000000"
+            android:textSize="20sp" />
+
+        <EditText
+            android:id="@+id/et_gameid"
+            android:layout_width="150dp"
+            android:layout_height="wrap_content"
+            android:layout_marginLeft="5dp"
+            android:background="@drawable/editext_selector"
+            android:padding="10dp" />
+
+        <Button
+            android:id="@+id/btn_search"
+            android:layout_width="100dp"
+            android:layout_height="wrap_content"
+            android:layout_marginLeft="5dp"
+            android:layout_marginRight="5dp"
+            android:background="@drawable/btn_selector"
+            android:padding="5dp"
+            android:text="查询"
+            android:textColor="#ffffff"
+            android:textSize="20sp" />
+    </LinearLayout>
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_centerVertical="true"
+        android:layout_marginTop="20dp"
+        android:layout_marginBottom="5dp"
+        android:layout_marginLeft="10dp"
+        android:layout_marginRight="10dp"
+        >
+        <ImageView
+            android:layout_width="25dp"
+            android:layout_height="50dp"
+            android:src="@drawable/user"
+            android:layout_marginRight="5dp"/>
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="match_parent"
+            android:text="活动名称："
+            android:textSize="20sp"
+            android:gravity="center"
+            android:textColor="#000000"/>
+
+        <EditText
+            android:id="@+id/et_gamename"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginLeft="5dp"
+            android:background="@drawable/editext_selector"
+            android:padding="10dp" />
+    </LinearLayout>
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_centerVertical="true"
+        android:layout_marginTop="20dp"
+        android:layout_marginBottom="5dp"
+        android:layout_marginLeft="10dp"
+        android:layout_marginRight="10dp"
+        >
+        <ImageView
+            android:layout_width="25dp"
+            android:layout_height="32dp"
+            android:src="@drawable/major"
+            android:layout_marginRight="5dp"
+            android:layout_gravity="center"/>
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="match_parent"
+            android:text="活动时间："
+            android:textSize="20sp"
+            android:gravity="center"
+            android:textColor="#000000"/>
+
+        <EditText
+            android:id="@+id/et_gametime"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginLeft="5dp"
+            android:background="@drawable/editext_selector"
+            android:padding="10dp"/>
+    </LinearLayout>
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:layout_centerVertical="true"
+        android:layout_marginBottom="5dp"
+        android:layout_marginTop="20dp"
+        android:layout_marginLeft="10dp"
+        android:layout_marginRight="10dp"
+        >
+        <ImageView
+            android:layout_width="25dp"
+            android:layout_height="50dp"
+            android:src="@drawable/isbn"
+            android:layout_marginRight="5dp"/>
+
+        <TextView
+            android:layout_width="wrap_content"
+            android:layout_height="match_parent"
+            android:text="备        注："
+            android:textSize="20sp"
+            android:gravity="center"
+            android:textColor="#000000"/>
+        <EditText
+            android:id="@+id/et_gamenote"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:layout_marginLeft="5dp"
+            android:background="@drawable/editext_selector"
+
+            android:padding="10dp"/>
+    </LinearLayout>
+
+
+    <Button
+        android:id="@+id/btn_edit"
+        android:layout_width="415dp"
+        android:layout_height="50dp"
+        android:layout_gravity="center_horizontal"
+        android:layout_marginLeft="35dp"
+        android:layout_marginTop="5dp"
+        android:layout_marginRight="35dp"
+        android:background="@drawable/btn_selector"
+        android:text="修改"
+        android:textColor="#FFFFFF"
+        android:textSize="20sp" />
+
+</LinearLayout>

app/app/src/main/res/layout/activity_update_ifactivity.xml

@@ -0,0 +1,265 @@
+<?xml version="1.0" encoding="utf-8"?>
+<RelativeLayout android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:background="@drawable/bg"
+    android:padding="10dp"
+    >
+
+    <LinearLayout
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        android:orientation="vertical">
+
+        <TextView
+            android:id="@+id/tv"
+            android:layout_width="match_parent"
+            android:layout_height="120dp"
+            android:gravity="center"
+            android:text="修改个人信息"
+            android:textSize="30sp"
+            android:textColor="#516D2C"/>
+
+
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="50dp"
+            android:orientation="horizontal"
+            android:layout_marginTop="10dp">
+
+            <ImageView
+                android:layout_width="30dp"
+                android:layout_height="40dp"
+                android:layout_gravity="center"
+                android:src="@drawable/manager"
+                android:layout_marginRight="5dp"/>
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="match_parent"
+                android:text="账号："
+                android:textSize="20sp"
+                android:gravity="center"
+                android:textColor="#000000"/>
+
+            <EditText
+                android:id="@+id/tv_stu_number"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:background="@drawable/editext_selector"
+                android:textSize="20sp"
+                android:textColor="#000000"
+                android:inputType="text"
+                android:layout_marginTop="5dp"
+                android:layout_marginBottom="5dp"
+                android:gravity="left|center"
+                android:maxLength="20"
+                android:paddingLeft="10dp"/>
+        </LinearLayout>
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="50dp"
+            android:orientation="horizontal"
+            android:layout_marginTop="10dp">
+
+            <ImageView
+                android:layout_width="30dp"
+                android:layout_height="50dp"
+                android:src="@drawable/name"
+                android:layout_marginRight="5dp"/>
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="match_parent"
+                android:text="姓名："
+                android:textSize="20sp"
+                android:gravity="center"
+                android:textColor="#000000"/>
+
+            <EditText
+                android:id="@+id/et_stu_name"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:hint="请输入姓名"
+                android:background="@drawable/editext_selector"
+                android:textSize="20sp"
+                android:textColor="#000000"
+                android:layout_marginTop="5dp"
+                android:layout_marginBottom="5dp"
+                android:gravity="left|center"
+                android:maxLength="20"
+                android:paddingLeft="10dp"/>
+        </LinearLayout>
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="50dp"
+            android:orientation="horizontal"
+            android:layout_marginTop="10dp">
+
+            <ImageView
+                android:layout_width="23dp"
+                android:layout_height="50dp"
+                android:layout_marginRight="5dp"
+                android:src="@drawable/gender" />
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="match_parent"
+                android:text=" 性别："
+                android:textSize="20sp"
+                android:gravity="center"
+                android:textColor="#000000"/>
+
+            <EditText
+                android:id="@+id/et_stu_major"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:hint="请输入性别"
+                android:background="@drawable/editext_selector"
+                android:textSize="20sp"
+                android:textColor="#000000"
+                android:layout_marginTop="5dp"
+                android:layout_marginBottom="5dp"
+                android:gravity="left|center"
+                android:maxLength="20"
+                android:paddingLeft="10dp"/>
+        </LinearLayout>
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="50dp"
+            android:orientation="horizontal"
+            android:layout_marginTop="10dp">
+
+            <ImageView
+                android:layout_width="30dp"
+                android:layout_height="40dp"
+                android:layout_gravity="center"
+                android:src="@drawable/phone"
+                android:layout_marginRight="5dp"/>
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="match_parent"
+                android:text="电话："
+                android:textSize="20sp"
+                android:gravity="center"
+                android:textColor="#000000"/>
+
+            <EditText
+                android:id="@+id/et_stu_phone"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:hint="请输入电话"
+                android:background="@drawable/editext_selector"
+                android:textSize="20sp"
+                android:textColor="#000000"
+                android:inputType="text"
+                android:layout_marginTop="5dp"
+                android:layout_marginBottom="5dp"
+                android:gravity="left|center"
+                android:maxLength="20"
+                android:paddingLeft="10dp"/>
+        </LinearLayout>
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="50dp"
+            android:orientation="horizontal"
+            android:layout_marginTop="10dp">
+
+            <ImageView
+                android:layout_width="24dp"
+                android:layout_height="50dp"
+                android:layout_marginRight="5dp"
+                android:src="@drawable/qq" />
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="match_parent"
+                android:text=" Q Q ："
+                android:textSize="20sp"
+                android:gravity="center"
+                android:textColor="#000000"/>
+
+            <EditText
+                android:id="@+id/et_stu_qq"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:hint="请输入QQ号"
+                android:background="@drawable/editext_selector"
+                android:textSize="20sp"
+                android:textColor="#000000"
+                android:layout_marginTop="5dp"
+                android:layout_marginBottom="5dp"
+                android:gravity="left|center"
+                android:maxLength="20"
+                android:paddingLeft="10dp"/>
+        </LinearLayout>
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:layout_height="50dp"
+            android:orientation="horizontal"
+            android:layout_marginTop="10dp">
+
+            <ImageView
+                android:layout_width="30dp"
+                android:layout_height="50dp"
+                android:src="@drawable/hobby"
+                android:layout_marginRight="5dp"/>
+
+            <TextView
+                android:layout_width="wrap_content"
+                android:layout_height="match_parent"
+                android:text="地址："
+                android:textSize="20sp"
+                android:gravity="center"
+                android:textColor="#000000"/>
+
+            <EditText
+                android:id="@+id/et_stu_address"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:hint="请确认地址"
+                android:background="@drawable/editext_selector"
+                android:textSize="20sp"
+                android:textColor="#000000"
+                android:layout_marginTop="5dp"
+                android:layout_marginBottom="5dp"
+                android:gravity="left|center"
+                android:maxLength="20"
+                android:paddingLeft="10dp"/>
+        </LinearLayout>
+
+
+        <Button
+            android:id="@+id/btn_save_info"
+            android:layout_width="match_parent"
+            android:layout_height="50dp"
+            android:layout_marginTop="15dp"
+            android:background="@drawable/btn_selector"
+            android:gravity="center"
+            android:text="保存"
+            android:textColor="#FFFFFF"
+            android:textSize="20sp" />
+
+        <Button
+            android:id="@+id/btn_back"
+            android:layout_width="match_parent"
+            android:layout_height="50dp"
+            android:text="取消"
+            android:gravity="center"
+            android:textSize="20sp"
+            android:textColor="#FFFFFF"
+            android:background="@drawable/btn_selector"
+            android:layout_marginTop="15dp"/>
+
+
+
+    </LinearLayout>
+
+</RelativeLayout>

app/app/src/main/res/layout/activity_welcome.xml

@@ -0,0 +1,19 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical"
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:background="@drawable/bg">
+
+
+    <ImageView
+        android:layout_width="200dp"
+        android:layout_height="200dp"
+        android:layout_marginTop="130dp"
+        android:src="@drawable/tubiao"
+        android:layout_gravity="center"/>
+
+
+</LinearLayout>

app/app/src/main/res/layout/item_list.xml

@@ -0,0 +1,53 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:gravity="center"
+    android:orientation="horizontal"
+    android:padding="3dp">
+
+
+    <TextView
+        android:id="@+id/tv_lst_gameid"
+        android:gravity="center"
+        android:layout_margin="2dp"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_weight="1"
+        android:text="id"
+        android:textSize="17sp"
+        android:textColor="#000000"/>
+
+    <TextView
+        android:id="@+id/tv_lst_gamename"
+        android:gravity="center"
+        android:layout_margin="2dp"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_weight="1"
+        android:text="活动"
+        android:textSize="17sp"
+        android:textColor="#000000"/>
+
+    <TextView
+        android:id="@+id/tv_lst_gametime"
+        android:layout_margin="2dp"
+        android:gravity="center"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_weight="1"
+        android:text="时间"
+        android:textSize="17sp"
+        android:textColor="#000000"/>
+
+    <TextView
+        android:id="@+id/tv_lst_gamenote"
+        android:layout_margin="2dp"
+        android:gravity="center"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_weight="1"
+        android:text="备注"
+        android:textSize="17sp"
+        android:textColor="#000000"/>
+</LinearLayout>

app/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>

app/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@drawable/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+</adaptive-icon>

app/app/src/main/res/values-night/themes.xml

@@ -0,0 +1,16 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Theme.MyExamProject" parent="Theme.MaterialComponents.DayNight.NoActionBar">
+        <!-- Primary brand color. -->
+        <item name="colorPrimary">@color/purple_200</item>
+        <item name="colorPrimaryVariant">@color/purple_700</item>
+        <item name="colorOnPrimary">@color/black</item>
+        <!-- Secondary brand color. -->
+        <item name="colorSecondary">@color/teal_200</item>
+        <item name="colorSecondaryVariant">@color/teal_200</item>
+        <item name="colorOnSecondary">@color/black</item>
+        <!-- Status bar color. -->
+        <item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
+        <!-- Customize your theme here. -->
+    </style>
+</resources>

app/app/src/main/res/values/colors.xml

@@ -0,0 +1,10 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="purple_200">#FFBB86FC</color>
+    <color name="purple_500">#FF6200EE</color>
+    <color name="purple_700">#FF3700B3</color>
+    <color name="teal_200">#FF03DAC5</color>
+    <color name="teal_700">#FF018786</color>
+    <color name="black">#FF000000</color>
+    <color name="white">#FFFFFFFF</color>
+</resources>

app/app/src/main/res/values/strings.xml

@@ -0,0 +1,3 @@
+<resources>
+    <string name="app_name">MyExamProject</string>
+</resources>

app/app/src/main/res/values/themes.xml

@@ -0,0 +1,16 @@
+<resources xmlns:tools="http://schemas.android.com/tools">
+    <!-- Base application theme. -->
+    <style name="Theme.MyExamProject" parent="Theme.MaterialComponents.DayNight.NoActionBar">
+        <!-- Primary brand color. -->
+        <item name="colorPrimary">@color/purple_500</item>
+        <item name="colorPrimaryVariant">@color/purple_700</item>
+        <item name="colorOnPrimary">@color/white</item>
+        <!-- Secondary brand color. -->
+        <item name="colorSecondary">@color/teal_200</item>
+        <item name="colorSecondaryVariant">@color/teal_700</item>
+        <item name="colorOnSecondary">@color/black</item>
+        <!-- Status bar color. -->
+        <item name="android:statusBarColor" tools:targetApi="l">?attr/colorPrimaryVariant</item>
+        <!-- Customize your theme here. -->
+    </style>
+</resources>

app/app/src/test/java/com/example/myexamproject/ExampleUnitTest.java

@@ -0,0 +1,17 @@
+package com.example.myexamproject;
+
+import org.junit.Test;
+
+import static org.junit.Assert.*;
+
+/**
+ * Example local unit test, which will execute on the development machine (host).
+ *
+ * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
+ */
+public class ExampleUnitTest {
+    @Test
+    public void addition_isCorrect() {
+        assertEquals(4, 2 + 2);
+    }
+}