diff --git a/app/app/.gitignore b/app/app/.gitignore
new file mode 100644
index 0000000..42afabf
--- /dev/null
+++ b/app/app/.gitignore
@@ -0,0 +1 @@
+/build
\ No newline at end of file
diff --git a/app/app/build.gradle b/app/app/build.gradle
new file mode 100644
index 0000000..406467f
--- /dev/null
+++ b/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
+}
diff --git a/app/app/proguard-rules.pro b/app/app/proguard-rules.pro
new file mode 100644
index 0000000..481bb43
--- /dev/null
+++ b/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
\ No newline at end of file
diff --git a/app/app/src/androidTest/java/com/example/myexamproject/ExampleInstrumentedTest.java b/app/app/src/androidTest/java/com/example/myexamproject/ExampleInstrumentedTest.java
new file mode 100644
index 0000000..e74f69b
--- /dev/null
+++ b/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 Testing documentation
+ */
+@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());
+ }
+}
\ No newline at end of file
diff --git a/app/app/src/main/AndroidManifest.xml b/app/app/src/main/AndroidManifest.xml
new file mode 100644
index 0000000..6c9e01c
--- /dev/null
+++ b/app/app/src/main/AndroidManifest.xml
@@ -0,0 +1,56 @@
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/app/app/src/main/java/com/example/myexamproject/AddGamesActivity.java b/app/app/src/main/java/com/example/myexamproject/AddGamesActivity.java
new file mode 100644
index 0000000..7c63491
--- /dev/null
+++ b/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();
+
+ }
+}
\ No newline at end of file
diff --git a/app/app/src/main/java/com/example/myexamproject/BackActivity.java b/app/app/src/main/java/com/example/myexamproject/BackActivity.java
new file mode 100644
index 0000000..dade4cc
--- /dev/null
+++ b/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;
+
+ }
+ }
+}
\ No newline at end of file
diff --git a/app/app/src/main/java/com/example/myexamproject/DeleteGamesActivity.java b/app/app/src/main/java/com/example/myexamproject/DeleteGamesActivity.java
new file mode 100644
index 0000000..ad8be76
--- /dev/null
+++ b/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();
+ }
+}
diff --git a/app/app/src/main/java/com/example/myexamproject/LoginActivity.java b/app/app/src/main/java/com/example/myexamproject/LoginActivity.java
new file mode 100644
index 0000000..bac3898
--- /dev/null
+++ b/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();
+ }
+}
diff --git a/app/app/src/main/java/com/example/myexamproject/MainActivity.java b/app/app/src/main/java/com/example/myexamproject/MainActivity.java
new file mode 100644
index 0000000..8dedb28
--- /dev/null
+++ b/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;
+ }
+ }
+}
diff --git a/app/app/src/main/java/com/example/myexamproject/MyIFActivity.java b/app/app/src/main/java/com/example/myexamproject/MyIFActivity.java
new file mode 100644
index 0000000..89075a8
--- /dev/null
+++ b/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 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);
+ }
+ });
+
+ }
+}
diff --git a/app/app/src/main/java/com/example/myexamproject/PersonalCenterActivity.java b/app/app/src/main/java/com/example/myexamproject/PersonalCenterActivity.java
new file mode 100644
index 0000000..5c64efd
--- /dev/null
+++ b/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;
+ }
+ }
+}
diff --git a/app/app/src/main/java/com/example/myexamproject/QueryGamesActivity.java b/app/app/src/main/java/com/example/myexamproject/QueryGamesActivity.java
new file mode 100644
index 0000000..6ccbd14
--- /dev/null
+++ b/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> 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();
+ }
+}
\ No newline at end of file
diff --git a/app/app/src/main/java/com/example/myexamproject/RegisterActivity.java b/app/app/src/main/java/com/example/myexamproject/RegisterActivity.java
new file mode 100644
index 0000000..f37c586
--- /dev/null
+++ b/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();
+ }
+}
\ No newline at end of file
diff --git a/app/app/src/main/java/com/example/myexamproject/UpdateGamesActivity.java b/app/app/src/main/java/com/example/myexamproject/UpdateGamesActivity.java
new file mode 100644
index 0000000..9e019d5
--- /dev/null
+++ b/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();
+ }
+}
diff --git a/app/app/src/main/java/com/example/myexamproject/UpdateIFActivity.java b/app/app/src/main/java/com/example/myexamproject/UpdateIFActivity.java
new file mode 100644
index 0000000..2190a08
--- /dev/null
+++ b/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 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;
+ }
+}
diff --git a/app/app/src/main/java/com/example/myexamproject/WelcomeActivity.java b/app/app/src/main/java/com/example/myexamproject/WelcomeActivity.java
new file mode 100644
index 0000000..eb48867
--- /dev/null
+++ b/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);
+ }
+}
diff --git a/app/app/src/main/java/com/example/myexamproject/bean/Game.java b/app/app/src/main/java/com/example/myexamproject/bean/Game.java
new file mode 100644
index 0000000..245cd2f
--- /dev/null
+++ b/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;
+}
diff --git a/app/app/src/main/java/com/example/myexamproject/bean/Student.java b/app/app/src/main/java/com/example/myexamproject/bean/Student.java
new file mode 100644
index 0000000..a9a28c8
--- /dev/null
+++ b/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;
+ }
+}
diff --git a/app/app/src/main/java/com/example/myexamproject/utils/MD5Utils.java b/app/app/src/main/java/com/example/myexamproject/utils/MD5Utils.java
new file mode 100644
index 0000000..fd4cdee
--- /dev/null
+++ b/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 "";
+ }
+ }
+}
\ No newline at end of file
diff --git a/app/app/src/main/java/com/example/myexamproject/utils/MyDBHelper.java b/app/app/src/main/java/com/example/myexamproject/utils/MyDBHelper.java
new file mode 100644
index 0000000..28b6164
--- /dev/null
+++ b/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) {
+ }
+}
\ No newline at end of file
diff --git a/app/app/src/main/java/com/example/myexamproject/utils/MySQLiteOpenHelper.java b/app/app/src/main/java/com/example/myexamproject/utils/MySQLiteOpenHelper.java
new file mode 100644
index 0000000..1d01aa4
--- /dev/null
+++ b/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> getAllGames() {
+ ArrayList> listGames = new ArrayList>();
+ 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 map = new HashMap();
+ 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;
+ }
+ }
+}
\ No newline at end of file
diff --git a/app/app/src/main/java/com/example/myexamproject/utils/StudentDbHelper.java b/app/app/src/main/java/com/example/myexamproject/utils/StudentDbHelper.java
new file mode 100644
index 0000000..6bb086c
--- /dev/null
+++ b/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 readStudents(String stuNumber) {
+ LinkedList 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;
+ }
+
+}
+
diff --git a/app/app/src/main/res/drawable-v24/ic_launcher_foreground.xml b/app/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
new file mode 100644
index 0000000..2b068d1
--- /dev/null
+++ b/app/app/src/main/res/drawable-v24/ic_launcher_foreground.xml
@@ -0,0 +1,30 @@
+
+
+
+
+ -
+
+
+
+
+
+
+
+
+ -
+
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/app/app/src/main/res/drawable/edit_text.xml b/app/app/src/main/res/drawable/edit_text.xml
new file mode 100644
index 0000000..dd43c4f
--- /dev/null
+++ b/app/app/src/main/res/drawable/edit_text.xml
@@ -0,0 +1,7 @@
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/app/app/src/main/res/drawable/edit_text_bg.xml b/app/app/src/main/res/drawable/edit_text_bg.xml
new file mode 100644
index 0000000..50986ab
--- /dev/null
+++ b/app/app/src/main/res/drawable/edit_text_bg.xml
@@ -0,0 +1,9 @@
+
+
+
+
+
+
+
+
\ No newline at end of file
diff --git a/app/app/src/main/res/drawable/editext_selector.xml b/app/app/src/main/res/drawable/editext_selector.xml
new file mode 100644
index 0000000..026b164
--- /dev/null
+++ b/app/app/src/main/res/drawable/editext_selector.xml
@@ -0,0 +1,5 @@
+
+
+