C/S架构风格

master
YUPANZHAO 3 years ago
parent 89a70d7657
commit 2bbaf0539c

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*.iml
.gradle
/local.properties
/.idea/caches
/.idea/libraries
/.idea/modules.xml
/.idea/workspace.xml
/.idea/navEditor.xml
/.idea/assetWizardSettings.xml
.DS_Store
/build
/captures
.externalNativeBuild
.cxx
local.properties

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# Default ignored files
/shelf/
/workspace.xml

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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="CompilerConfiguration">
<bytecodeTargetLevel target="1.8" />
</component>
</project>

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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="GradleSettings">
<option name="linkedExternalProjectsSettings">
<GradleProjectSettings>
<option name="testRunner" value="PLATFORM" />
<option name="distributionType" value="DEFAULT_WRAPPED" />
<option name="externalProjectPath" value="$PROJECT_DIR$" />
<option name="gradleJvm" value="1.8 (2)" />
<option name="modules">
<set>
<option value="$PROJECT_DIR$" />
<option value="$PROJECT_DIR$/app" />
</set>
</option>
<option name="resolveModulePerSourceSet" value="false" />
<option name="useQualifiedModuleNames" value="true" />
</GradleProjectSettings>
</option>
</component>
</project>

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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="RemoteRepositoriesConfiguration">
<remote-repository>
<option name="id" value="central" />
<option name="name" value="Maven Central repository" />
<option name="url" value="https://repo1.maven.org/maven2" />
</remote-repository>
<remote-repository>
<option name="id" value="jboss.community" />
<option name="name" value="JBoss Community repository" />
<option name="url" value="https://repository.jboss.org/nexus/content/repositories/public/" />
</remote-repository>
<remote-repository>
<option name="id" value="BintrayJCenter" />
<option name="name" value="BintrayJCenter" />
<option name="url" value="https://jcenter.bintray.com/" />
</remote-repository>
<remote-repository>
<option name="id" value="Google" />
<option name="name" value="Google" />
<option name="url" value="https://dl.google.com/dl/android/maven2/" />
</remote-repository>
</component>
</project>

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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="ProjectRootManager" version="2" languageLevel="JDK_1_8" default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
<output url="file://$PROJECT_DIR$/build/classes" />
</component>
<component name="ProjectType">
<option name="id" value="Android" />
</component>
</project>

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/build

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plugins {
id 'com.android.application'
}
android {
compileSdkVersion 30
buildToolsVersion "30.0.3"
defaultConfig {
applicationId "edu.hzuapps.softhomework"
minSdkVersion 16
targetSdkVersion 30
versionCode 1
versionName "1.0"
testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
}
buildTypes {
release {
minifyEnabled false
proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
}
}
compileOptions {
sourceCompatibility JavaVersion.VERSION_1_8
targetCompatibility JavaVersion.VERSION_1_8
}
}
dependencies {
implementation 'androidx.appcompat:appcompat:1.1.0'
implementation 'com.google.android.material:material:1.1.0'
implementation 'androidx.constraintlayout:constraintlayout:1.1.3'
implementation files('libs\\mysql-connector-java-5.1.46-bin.jar')
testImplementation 'junit:junit:4.+'
androidTestImplementation 'androidx.test.ext:junit:1.1.1'
androidTestImplementation 'androidx.test.espresso:espresso-core:3.2.0'
}

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# 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

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package edu.hzuapps.softhomework;
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("edu.hzuapps.softhomework", appContext.getPackageName());
}
}

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<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="edu.hzuapps.softhomework">
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:roundIcon="@mipmap/ic_launcher_round"
android:supportsRtl="true"
android:theme="@style/Theme.SoftHomework">
<activity android:name=".AddStudentActivity"></activity>
<activity android:name=".HomeActivity" />
<activity android:name=".RegisterActivity" />
<activity android:name=".LoginActivity">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity android:name=".MainActivity" />
</application>
</manifest>

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package edu.hzuapps.softhomework;
import androidx.appcompat.app.AppCompatActivity;
import android.os.Bundle;
import android.os.Handler;
import android.text.TextUtils;
import android.view.View;
import android.widget.Button;
import android.widget.EdgeEffect;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;
import edu.hzuapps.softhomework.dao.StudentDAO;
import edu.hzuapps.softhomework.model.Student;
public class AddStudentActivity extends AppCompatActivity implements View.OnClickListener {
private EditText etv_id, etv_name, etv_sex, etv_major;
private Button btn_addstudent;
private Handler mainhandler;
private StudentDAO studentDAO;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_add_student);
init();
}
private void init() {
etv_id = findViewById(R.id.addstudent_etv_id);
etv_name = findViewById(R.id.addstudent_etv_name);
etv_sex = findViewById(R.id.addstudent_etv_sex);
etv_major = findViewById(R.id.addstudent_etv_major);
btn_addstudent = findViewById(R.id.addstudent_btn_addstudent);
btn_addstudent.setOnClickListener(this);
mainhandler = new Handler(getMainLooper());
studentDAO = new StudentDAO();
}
@Override
public void onClick(View v) {
switch(v.getId()) {
case R.id.addstudent_btn_addstudent:
doAddStudent();
break;
}
}
private void doAddStudent() {
String id = etv_id.getText().toString().trim();
String name = etv_name.getText().toString().trim();
String sex = etv_sex.getText().toString().trim();
String major = etv_major.getText().toString().trim();
if(TextUtils.isEmpty(id) || TextUtils.isEmpty(name) || TextUtils.isEmpty(sex) || TextUtils.isEmpty(major)) {
Toast.makeText(this, "输入不能为空", Toast.LENGTH_SHORT).show();
return ;
}
new Thread(new Runnable() {
@Override
public void run() {
final int iRow = studentDAO.addStudent(new Student(id, name, sex, major));
mainhandler.post(new Runnable() {
@Override
public void run() {
if(iRow == 0) {
Toast.makeText(AddStudentActivity.this, "添加失败", Toast.LENGTH_SHORT).show();
return ;
}
Toast.makeText(AddStudentActivity.this, "添加成功", Toast.LENGTH_SHORT).show();
finish();
}
});
}
}).start();
}
}

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package edu.hzuapps.softhomework;
import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatActivity;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.view.View;
import android.widget.AdapterView;
import android.widget.Button;
import android.widget.ListView;
import java.util.ArrayList;
import java.util.List;
import edu.hzuapps.softhomework.dao.StudentDAO;
import edu.hzuapps.softhomework.model.Student;
public class HomeActivity extends AppCompatActivity implements View.OnClickListener {
private Handler mainhandler;
private LvStudentAdapter lvStudentAdapter;
private List<Student> studentList;
private ListView list_studentinfo;
private StudentDAO studentDAO;
private Button btn_addstudent;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_home);
init();
ShowAllStudent();
}
private void init() {
mainhandler = new Handler(getMainLooper());
list_studentinfo = findViewById(R.id.home_list_studentinfo);
studentDAO = new StudentDAO();
btn_addstudent = findViewById(R.id.home_btn_addstudent);
btn_addstudent.setOnClickListener(this);
}
private void ShowAllStudent() {
new Thread(new Runnable() {
@Override
public void run() {
studentList = studentDAO.getAllData();
mainhandler.post(new Runnable() {
@Override
public void run() {
ShowLvData();
}
});
}
}).start();
}
private void ShowLvData() {
if(lvStudentAdapter == null) {
lvStudentAdapter = new LvStudentAdapter(this, studentList);
lvStudentAdapter.setMainhandler(mainhandler);
list_studentinfo.setAdapter(lvStudentAdapter);
}else {
lvStudentAdapter.setStudentList(studentList);
lvStudentAdapter.notifyDataSetChanged();
}
}
@Override
public void onClick(View v) {
switch(v.getId()) {
case R.id.home_btn_addstudent:
Intent intent = new Intent(this, AddStudentActivity.class);
startActivity(intent);
break;
}
}
@Override
public void onResume() {
super.onResume();
ShowAllStudent();
}
}

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package edu.hzuapps.softhomework;
import androidx.appcompat.app.AppCompatActivity;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.text.TextUtils;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;
import edu.hzuapps.softhomework.dao.UserDAO;
import edu.hzuapps.softhomework.model.User;
public class LoginActivity extends AppCompatActivity implements View.OnClickListener {
private UserDAO userDAO;
private Handler mainHandler;
private EditText etv_username, etv_password;
private Button btn_login;
private TextView tv_toregister;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_login);
init();
}
void init() {
userDAO = new UserDAO();
mainHandler = new Handler(getMainLooper());
etv_username = findViewById(R.id.login_etv_username);
etv_password = findViewById(R.id.login_etv_password);
btn_login = findViewById(R.id.login_btn_login);
btn_login.setOnClickListener(this);
tv_toregister = findViewById(R.id.login_tv_toregister);
tv_toregister.setOnClickListener(this);
}
@Override
public void onClick(View v) {
switch(v.getId()) {
case R.id.login_btn_login:
doLogin();
break;
case R.id.login_tv_toregister:
Intent intent = new Intent(this, RegisterActivity.class);
startActivity(intent);
break;
}
}
private void doLogin() {
String username = etv_username.getText().toString().trim();
String password = etv_password.getText().toString().trim();
if(TextUtils.isEmpty(username) || TextUtils.isEmpty(password)) {
Toast.makeText(this, "用户名和密码不能为空", Toast.LENGTH_SHORT).show();
return ;
}
new Thread(new Runnable() {
@Override
public void run() {
final int iRow = userDAO.checkUser(new User(username, password));
mainHandler.post(new Runnable() {
@Override
public void run() {
if(iRow == 0) {
Toast.makeText(LoginActivity.this, "用户名或密码错误", Toast.LENGTH_SHORT).show();
return ;
}
Toast.makeText(LoginActivity.this, "登录成功", Toast.LENGTH_SHORT).show();
Intent intent = new Intent(LoginActivity.this, HomeActivity.class);
startActivity(intent);
finish();
}
});
}
}).start();
}
}

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package edu.hzuapps.softhomework;
import android.content.Context;
import android.os.Handler;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast;
import java.util.List;
import edu.hzuapps.softhomework.dao.StudentDAO;
import edu.hzuapps.softhomework.model.Student;
public class LvStudentAdapter extends BaseAdapter {
private Context context;
private List<Student> studentList;
private android.os.Handler mainhandler;
public LvStudentAdapter() {
}
public LvStudentAdapter(Context context, List<Student> studentList) {
this.context = context;
this.studentList = studentList;
}
public void setMainhandler(Handler mainhandler) {
this.mainhandler = mainhandler;
}
public void setStudentList(List<Student> studentList) {
this.studentList = studentList;
}
@Override
public int getCount() {
return studentList.size();
}
@Override
public Object getItem(int position) {
return studentList.get(position);
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
ViewHolder viewHolder = null;
if(convertView == null) {
convertView = LayoutInflater.from(context).inflate(R.layout.list_student_item, null);
viewHolder = new ViewHolder();
viewHolder.tv_id = convertView.findViewById(R.id.list_student_item_tv_id);
viewHolder.tv_name = convertView.findViewById(R.id.list_student_item_tv_name);
viewHolder.tv_sex = convertView.findViewById(R.id.list_student_item_tv_sex);
viewHolder.tv_major = convertView.findViewById(R.id.list_student_item_tv_major);
viewHolder.image_delete = convertView.findViewById(R.id.list_student_item_image_delete);
convertView.setTag(viewHolder);
}else {
viewHolder = (ViewHolder)convertView.getTag();
}
final Student siteInfo = studentList.get(position);
viewHolder.tv_id.setText(siteInfo.getId());
viewHolder.tv_name.setText(siteInfo.getName());
viewHolder.tv_sex.setText(siteInfo.getSex());
viewHolder.tv_major.setText(siteInfo.getMajor());
viewHolder.image_delete.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
StudentDAO studentDAO = new StudentDAO();
new Thread(new Runnable() {
@Override
public void run() {
final int iRow = studentDAO.delStudent(siteInfo);
studentList.remove(position);
mainhandler.post(new Runnable() {
@Override
public void run() {
if(iRow == 0) Toast.makeText(context, "删除失败", Toast.LENGTH_SHORT).show();
else Toast.makeText(context, "删除成功", Toast.LENGTH_SHORT).show();
flush();
}
});
}
}).start();
}
});
return convertView;
}
private class ViewHolder {
private TextView tv_id, tv_name, tv_sex, tv_major;
private ImageView image_delete;
}
private void flush() {
this.notifyDataSetChanged();
}
}

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package edu.hzuapps.softhomework;
import androidx.appcompat.app.AppCompatActivity;
import android.os.Bundle;
public class MainActivity extends AppCompatActivity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
}

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package edu.hzuapps.softhomework;
import androidx.appcompat.app.AppCompatActivity;
import android.os.Bundle;
import android.os.Handler;
import android.text.TextUtils;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.RelativeLayout;
import android.widget.Toast;
import edu.hzuapps.softhomework.dao.UserDAO;
import edu.hzuapps.softhomework.model.User;
public class RegisterActivity extends AppCompatActivity implements View.OnClickListener {
private UserDAO userDAO;
private Handler mainHandler;
private EditText etv_username, etv_password, etv_checkpassword;
private Button btn_register;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_register);
init();
}
private void init() {
userDAO = new UserDAO();
mainHandler = new Handler(getMainLooper());
etv_username = findViewById(R.id.register_etv_username);
etv_password = findViewById(R.id.register_etv_password);
etv_checkpassword = findViewById(R.id.register_etv_checkpassword);
btn_register = findViewById(R.id.register_btn_register);
btn_register.setOnClickListener(this);
}
@Override
public void onClick(View v) {
switch(v.getId()) {
case R.id.register_btn_register:
doRegister();
break;
}
}
private void doRegister() {
String username = etv_username.getText().toString().trim();
String password = etv_password.getText().toString().trim();
String checkpassword = etv_checkpassword.getText().toString().trim();
if(TextUtils.isEmpty(username) || TextUtils.isEmpty(password) || TextUtils.isEmpty(checkpassword)) {
Toast.makeText(this, "输入不能为空", Toast.LENGTH_SHORT).show();
return ;
}
if(!password.equals(checkpassword)) {
Toast.makeText(this, "两次密码不一致", Toast.LENGTH_SHORT).show();
return ;
}
new Thread(new Runnable() {
@Override
public void run() {
final int iRow = userDAO.addUser(new User(username, password));
mainHandler.post(new Runnable() {
@Override
public void run() {
if(iRow == 0) {
Toast.makeText(RegisterActivity.this, "注册失败,请重新注册", Toast.LENGTH_SHORT).show();
return ;
}
Toast.makeText(RegisterActivity.this, "注册成功", Toast.LENGTH_SHORT).show();
finish();
}
});
}
}).start();
}
}

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package edu.hzuapps.softhomework.dao;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;
import edu.hzuapps.softhomework.jdbc.JdbcHelper;
import edu.hzuapps.softhomework.model.Student;
public class StudentDAO extends JdbcHelper {
public List<Student> getAllData() {
Connection conn = null;
PreparedStatement pstmt = null;
ResultSet rs = null;
List<Student> studentList = new ArrayList<>();
try {
conn = getConnection();
String sql = "select * from student";
pstmt = conn.prepareStatement(sql);
rs = pstmt.executeQuery();
while(rs.next()) {
Student item = new Student();
item.setId(rs.getString("id"));
item.setName(rs.getString("name"));
item.setSex(rs.getString("sex"));
item.setMajor(rs.getString("major"));
studentList.add(item);
}
} catch (SQLException throwables) {
throwables.printStackTrace();
}finally {
closeAll(conn, pstmt, rs);
}
return studentList;
}
public int addStudent(Student student) {
Connection conn = null;
PreparedStatement pstmt = null;
ResultSet rs = null;
int iRow = 0;
try {
conn = getConnection();
String sql = "insert into student values(?,?,?,?)";
pstmt = conn.prepareStatement(sql);
pstmt.setString(1, student.getId());
pstmt.setString(2, student.getName());
pstmt.setString(3, student.getSex());
pstmt.setString(4, student.getMajor());
iRow = pstmt.executeUpdate();
} catch (SQLException throwables) {
throwables.printStackTrace();
}finally {
closeAll(conn, pstmt, rs);
}
return iRow;
}
public int delStudent(Student student) {
Connection conn = null;
PreparedStatement pstmt = null;
ResultSet rs = null;
int iRow = 0;
try {
conn = getConnection();
String sql = "delete from student where id = ? and name = ?";
pstmt = conn.prepareStatement(sql);
pstmt.setString(1, student.getId());
pstmt.setString(2, student.getName());
iRow = pstmt.executeUpdate();
} catch (SQLException throwables) {
throwables.printStackTrace();
}finally {
closeAll(conn, pstmt, rs);
}
return iRow;
}
}

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package edu.hzuapps.softhomework.dao;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;
import edu.hzuapps.softhomework.jdbc.JdbcHelper;
import edu.hzuapps.softhomework.model.User;
public class UserDAO extends JdbcHelper {
public List<User> getAllData() {
Connection conn = null;
PreparedStatement pstmt = null;
ResultSet rs = null;
List<User> userList = new ArrayList<>();
try {
conn = getConnection();
String sql = "select * from user";
pstmt = conn.prepareStatement(sql);
rs = pstmt.executeQuery();
while(rs.next()) {
User item = new User();
item.setUsername(rs.getString("username"));
item.setPassword(rs.getString("password"));
userList.add(item);
}
} catch (SQLException throwables) {
throwables.printStackTrace();
}finally {
closeAll(conn, pstmt, rs);
}
return userList;
}
public int addUser(User user) {
Connection conn = null;
PreparedStatement pstmt = null;
ResultSet rs = null;
int iRow = 0;
try {
conn = getConnection();
String sql = "insert into user values(?,?)";
pstmt = conn.prepareStatement(sql);
pstmt.setString(1, user.getUsername());
pstmt.setString(2, user.getPassword());
iRow = pstmt.executeUpdate();
} catch (SQLException throwables) {
throwables.printStackTrace();
}finally {
closeAll(conn, pstmt, rs);
}
return iRow;
}
public int checkUser(User user) {
Connection conn = null;
PreparedStatement pstmt = null;
ResultSet rs = null;
int iRow = 0;
try {
conn = getConnection();
String sql = "select username from user where username = ? and password = ?";
pstmt = conn.prepareStatement(sql);
pstmt.setString(1, user.getUsername());
pstmt.setString(2, user.getPassword());
rs = pstmt.executeQuery();
while(rs.next()) iRow++;
} catch (SQLException throwables) {
throwables.printStackTrace();
}finally {
closeAll(conn, pstmt, rs);
}
return iRow;
}
}

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package edu.hzuapps.softhomework.jdbc;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
public class JdbcHelper {
private static final String CLS = "com.mysql.jdbc.Driver";
private static final String URL = "jdbc:mysql://10.77.169.109:3306/softhomework";
private static final String USER = "sf";
private static final String PWD = "123456";
public static Connection getConnection() {
try {
Class.forName(CLS);
return DriverManager.getConnection(URL, USER, PWD);
}catch (Exception e) {
e.printStackTrace();
}
return null;
}
public static void closeAll(Connection conn, PreparedStatement pstmt, ResultSet rs) {
try {
if(rs != null) {
rs.close();
rs = null;
}
if(pstmt != null) {
pstmt.close();
pstmt = null;
}
if(conn != null) {
conn.close();
conn = null;
}
}catch (Exception e) {
e.printStackTrace();
}
}
}

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package edu.hzuapps.softhomework.model;
public class Student {
private String id;
private String name;
private String sex;
private String major;
public Student() {
}
public Student(String id, String name, String sex, String major) {
this.id = id;
this.name = name;
this.sex = sex;
this.major = major;
}
public String getId() {
return id;
}
public String getName() {
return name;
}
public String getSex() {
return sex;
}
public String getMajor() {
return major;
}
public void setId(String id) {
this.id = id;
}
public void setName(String name) {
this.name = name;
}
public void setSex(String sex) {
this.sex = sex;
}
public void setMajor(String major) {
this.major = major;
}
}

@ -0,0 +1,32 @@
package edu.hzuapps.softhomework.model;
public class User {
private String username;
private String password;
public User() {
}
public User(String username, String password) {
this.username = username;
this.password = password;
}
public String getUsername() {
return username;
}
public String getPassword() {
return password;
}
public void setUsername(String username) {
this.username = username;
}
public void setPassword(String password) {
this.password = password;
}
}

@ -0,0 +1,30 @@
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android:viewportHeight="108">
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<aapt:attr name="android:fillColor">
<gradient
android:endX="85.84757"
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android:width="108dp"
android:height="108dp"
android:viewportWidth="108"
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@ -0,0 +1,52 @@
<?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"
tools:context=".AddStudentActivity"
android:paddingHorizontal="50dp"
android:paddingTop="100dp">
<EditText
android:id="@+id/addstudent_etv_id"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:inputType="number"
android:hint="学号"
/>
<EditText
android:id="@+id/addstudent_etv_name"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:inputType="text"
android:layout_marginTop="20dp"
android:hint="姓名"
/>
<EditText
android:id="@+id/addstudent_etv_sex"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:inputType="text"
android:layout_marginTop="20dp"
android:hint="性别"
/>
<EditText
android:id="@+id/addstudent_etv_major"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:inputType="text"
android:layout_marginTop="20dp"
android:hint="专业"
/>
<Button
android:id="@+id/addstudent_btn_addstudent"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="添加学生"
android:textSize="15sp"
android:layout_marginTop="20dp"
/>
</LinearLayout>

@ -0,0 +1,48 @@
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout 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"
tools:context=".HomeActivity"
android:gravity="center">
<RelativeLayout
android:id="@+id/home_layout_studentinfo"
android:layout_width="match_parent"
android:layout_height="500dp"
android:layout_marginHorizontal="50dp"
android:background="@color/white"
android:elevation="5dp">
<TextView
android:id="@+id/home_tv_title"
android:text="学生信息表"
android:textSize="20sp"
android:layout_marginTop="10dp"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:gravity="center"
/>
<ListView
android:id="@+id/home_list_studentinfo"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:scrollbars="none"
android:layout_below="@id/home_tv_title"
/>
</RelativeLayout>
<Button
android:id="@+id/home_btn_addstudent"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="添加学生"
android:textSize="15sp"
android:layout_marginHorizontal="50dp"
android:layout_below="@id/home_layout_studentinfo"
android:layout_marginTop="15dp"
/>
</RelativeLayout>

@ -0,0 +1,61 @@
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout 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"
tools:context=".LoginActivity">
<TextView
android:id="@+id/login_tv_appname"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="学生系统"
android:textSize="35sp"
android:gravity="center"
android:layout_marginTop="100dp"
/>
<EditText
android:id="@+id/login_etv_username"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="用户名"
android:textSize="20sp"
android:layout_marginHorizontal="60dp"
android:layout_below="@id/login_tv_appname"
android:layout_marginTop="10dp"
/>
<EditText
android:id="@+id/login_etv_password"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="密码"
android:textSize="20sp"
android:inputType="textPassword"
android:layout_marginHorizontal="60dp"
android:layout_below="@id/login_etv_username"
android:layout_marginTop="10dp"
/>
<Button
android:id="@+id/login_btn_login"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="登录"
android:textSize="20sp"
android:layout_marginHorizontal="60dp"
android:layout_below="@id/login_etv_password"
android:layout_marginTop="10dp"
/>
<TextView
android:id="@+id/login_tv_toregister"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="前往注册"
android:textSize="16sp"
android:layout_below="@id/login_btn_login"
android:layout_alignParentRight="true"
android:layout_marginRight="60dp"
android:layout_marginTop="10dp"
/>
</RelativeLayout>

@ -0,0 +1,18 @@
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout 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"
tools:context=".MainActivity">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="Hello World!"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintLeft_toLeftOf="parent"
app:layout_constraintRight_toRightOf="parent"
app:layout_constraintTop_toTopOf="parent" />
</androidx.constraintlayout.widget.ConstraintLayout>

@ -0,0 +1,61 @@
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout 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"
tools:context=".RegisterActivity">
<TextView
android:id="@+id/register_tv_appname"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="注册账号"
android:textSize="35sp"
android:gravity="center"
android:layout_marginTop="100dp"
/>
<EditText
android:id="@+id/register_etv_username"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="用户名"
android:textSize="20sp"
android:layout_marginHorizontal="60dp"
android:layout_below="@id/register_tv_appname"
android:layout_marginTop="10dp"
/>
<EditText
android:id="@+id/register_etv_password"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="密码"
android:textSize="20sp"
android:inputType="textPassword"
android:layout_marginHorizontal="60dp"
android:layout_below="@id/register_etv_username"
android:layout_marginTop="10dp"
/>
<EditText
android:id="@+id/register_etv_checkpassword"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="确认密码"
android:textSize="20sp"
android:inputType="textPassword"
android:layout_marginHorizontal="60dp"
android:layout_below="@id/register_etv_password"
android:layout_marginTop="10dp"
/>
<Button
android:id="@+id/register_btn_register"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="注册"
android:textSize="20sp"
android:layout_marginHorizontal="60dp"
android:layout_below="@id/register_etv_checkpassword"
android:layout_marginTop="10dp"
/>
</RelativeLayout>

@ -0,0 +1,86 @@
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent"
android:layout_height="wrap_content">
<LinearLayout
android:id="@+id/list_student_item_layout_head"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical"
android:layout_marginLeft="10dp"
android:layout_marginVertical="5dp">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="学号:"
android:layout_marginTop="3dp"
/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="姓名:"
android:layout_marginVertical="3dp"
/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="性别:"
android:layout_marginVertical="3dp"
/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="专业:"
android:layout_marginVertical="3dp"
/>
</LinearLayout>
<LinearLayout
android:id="@+id/list_student_item_layout_info"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="vertical"
android:layout_toRightOf="@id/list_student_item_layout_head"
android:layout_marginVertical="5dp">
<TextView
android:id="@+id/list_student_item_tv_id"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="xxxxxxxxxxxxx"
android:layout_marginTop="3dp"
/>
<TextView
android:id="@+id/list_student_item_tv_name"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="xxx"
android:layout_marginVertical="3dp"
/>
<TextView
android:id="@+id/list_student_item_tv_sex"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="x"
android:layout_marginVertical="3dp"
/>
<TextView
android:id="@+id/list_student_item_tv_major"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="xxxx"
android:layout_marginVertical="3dp"
/>
</LinearLayout>
<ImageView
android:id="@+id/list_student_item_image_delete"
android:layout_width="30dp"
android:layout_height="30dp"
android:src="@mipmap/chacha"
android:layout_alignParentRight="true"
android:layout_centerInParent="true"
android:layout_marginRight="20dp"
/>
</RelativeLayout>

@ -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>

@ -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>

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@ -0,0 +1,16 @@
<resources xmlns:tools="http://schemas.android.com/tools">
<!-- Base application theme. -->
<style name="Theme.SoftHomework" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
<!-- 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>

@ -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>

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

@ -0,0 +1,16 @@
<resources xmlns:tools="http://schemas.android.com/tools">
<!-- Base application theme. -->
<style name="Theme.SoftHomework" parent="Theme.MaterialComponents.DayNight.DarkActionBar">
<!-- 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>

@ -0,0 +1,17 @@
package edu.hzuapps.softhomework;
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);
}
}

@ -0,0 +1,24 @@
// Top-level build file where you can add configuration options common to all sub-projects/modules.
buildscript {
repositories {
google()
jcenter()
}
dependencies {
classpath "com.android.tools.build:gradle:4.1.2"
// NOTE: Do not place your application dependencies here; they belong
// in the individual module build.gradle files
}
}
allprojects {
repositories {
google()
jcenter()
}
}
task clean(type: Delete) {
delete rootProject.buildDir
}

@ -0,0 +1,19 @@
# Project-wide Gradle settings.
# IDE (e.g. Android Studio) users:
# Gradle settings configured through the IDE *will override*
# any settings specified in this file.
# For more details on how to configure your build environment visit
# http://www.gradle.org/docs/current/userguide/build_environment.html
# Specifies the JVM arguments used for the daemon process.
# The setting is particularly useful for tweaking memory settings.
org.gradle.jvmargs=-Xmx2048m -Dfile.encoding=UTF-8
# When configured, Gradle will run in incubating parallel mode.
# This option should only be used with decoupled projects. More details, visit
# http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
# org.gradle.parallel=true
# AndroidX package structure to make it clearer which packages are bundled with the
# Android operating system, and which are packaged with your app"s APK
# https://developer.android.com/topic/libraries/support-library/androidx-rn
android.useAndroidX=true
# Automatically convert third-party libraries to use AndroidX
android.enableJetifier=true

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#Tue Oct 12 22:17:38 GMT+08:00 2021
distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-6.5-bin.zip

172
SoftHomework/gradlew vendored

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#!/usr/bin/env sh
##############################################################################
##
## Gradle start up script for UN*X
##
##############################################################################
# Attempt to set APP_HOME
# Resolve links: $0 may be a link
PRG="$0"
# Need this for relative symlinks.
while [ -h "$PRG" ] ; do
ls=`ls -ld "$PRG"`
link=`expr "$ls" : '.*-> \(.*\)$'`
if expr "$link" : '/.*' > /dev/null; then
PRG="$link"
else
PRG=`dirname "$PRG"`"/$link"
fi
done
SAVED="`pwd`"
cd "`dirname \"$PRG\"`/" >/dev/null
APP_HOME="`pwd -P`"
cd "$SAVED" >/dev/null
APP_NAME="Gradle"
APP_BASE_NAME=`basename "$0"`
# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
DEFAULT_JVM_OPTS=""
# Use the maximum available, or set MAX_FD != -1 to use that value.
MAX_FD="maximum"
warn () {
echo "$*"
}
die () {
echo
echo "$*"
echo
exit 1
}
# OS specific support (must be 'true' or 'false').
cygwin=false
msys=false
darwin=false
nonstop=false
case "`uname`" in
CYGWIN* )
cygwin=true
;;
Darwin* )
darwin=true
;;
MINGW* )
msys=true
;;
NONSTOP* )
nonstop=true
;;
esac
CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
# Determine the Java command to use to start the JVM.
if [ -n "$JAVA_HOME" ] ; then
if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
# IBM's JDK on AIX uses strange locations for the executables
JAVACMD="$JAVA_HOME/jre/sh/java"
else
JAVACMD="$JAVA_HOME/bin/java"
fi
if [ ! -x "$JAVACMD" ] ; then
die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
else
JAVACMD="java"
which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
# Increase the maximum file descriptors if we can.
if [ "$cygwin" = "false" -a "$darwin" = "false" -a "$nonstop" = "false" ] ; then
MAX_FD_LIMIT=`ulimit -H -n`
if [ $? -eq 0 ] ; then
if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
MAX_FD="$MAX_FD_LIMIT"
fi
ulimit -n $MAX_FD
if [ $? -ne 0 ] ; then
warn "Could not set maximum file descriptor limit: $MAX_FD"
fi
else
warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
fi
fi
# For Darwin, add options to specify how the application appears in the dock
if $darwin; then
GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
fi
# For Cygwin, switch paths to Windows format before running java
if $cygwin ; then
APP_HOME=`cygpath --path --mixed "$APP_HOME"`
CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
JAVACMD=`cygpath --unix "$JAVACMD"`
# We build the pattern for arguments to be converted via cygpath
ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
SEP=""
for dir in $ROOTDIRSRAW ; do
ROOTDIRS="$ROOTDIRS$SEP$dir"
SEP="|"
done
OURCYGPATTERN="(^($ROOTDIRS))"
# Add a user-defined pattern to the cygpath arguments
if [ "$GRADLE_CYGPATTERN" != "" ] ; then
OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
fi
# Now convert the arguments - kludge to limit ourselves to /bin/sh
i=0
for arg in "$@" ; do
CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option
if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
else
eval `echo args$i`="\"$arg\""
fi
i=$((i+1))
done
case $i in
(0) set -- ;;
(1) set -- "$args0" ;;
(2) set -- "$args0" "$args1" ;;
(3) set -- "$args0" "$args1" "$args2" ;;
(4) set -- "$args0" "$args1" "$args2" "$args3" ;;
(5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
(6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
(7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
(8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
(9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
esac
fi
# Escape application args
save () {
for i do printf %s\\n "$i" | sed "s/'/'\\\\''/g;1s/^/'/;\$s/\$/' \\\\/" ; done
echo " "
}
APP_ARGS=$(save "$@")
# Collect all arguments for the java command, following the shell quoting and substitution rules
eval set -- $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS "\"-Dorg.gradle.appname=$APP_BASE_NAME\"" -classpath "\"$CLASSPATH\"" org.gradle.wrapper.GradleWrapperMain "$APP_ARGS"
# by default we should be in the correct project dir, but when run from Finder on Mac, the cwd is wrong
if [ "$(uname)" = "Darwin" ] && [ "$HOME" = "$PWD" ]; then
cd "$(dirname "$0")"
fi
exec "$JAVACMD" "$@"

@ -0,0 +1,84 @@
@if "%DEBUG%" == "" @echo off
@rem ##########################################################################
@rem
@rem Gradle startup script for Windows
@rem
@rem ##########################################################################
@rem Set local scope for the variables with windows NT shell
if "%OS%"=="Windows_NT" setlocal
set DIRNAME=%~dp0
if "%DIRNAME%" == "" set DIRNAME=.
set APP_BASE_NAME=%~n0
set APP_HOME=%DIRNAME%
@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
set DEFAULT_JVM_OPTS=
@rem Find java.exe
if defined JAVA_HOME goto findJavaFromJavaHome
set JAVA_EXE=java.exe
%JAVA_EXE% -version >NUL 2>&1
if "%ERRORLEVEL%" == "0" goto init
echo.
echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:findJavaFromJavaHome
set JAVA_HOME=%JAVA_HOME:"=%
set JAVA_EXE=%JAVA_HOME%/bin/java.exe
if exist "%JAVA_EXE%" goto init
echo.
echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:init
@rem Get command-line arguments, handling Windows variants
if not "%OS%" == "Windows_NT" goto win9xME_args
:win9xME_args
@rem Slurp the command line arguments.
set CMD_LINE_ARGS=
set _SKIP=2
:win9xME_args_slurp
if "x%~1" == "x" goto execute
set CMD_LINE_ARGS=%*
:execute
@rem Setup the command line
set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
@rem Execute Gradle
"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
:end
@rem End local scope for the variables with windows NT shell
if "%ERRORLEVEL%"=="0" goto mainEnd
:fail
rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
rem the _cmd.exe /c_ return code!
if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
exit /b 1
:mainEnd
if "%OS%"=="Windows_NT" endlocal
:omega

@ -0,0 +1,2 @@
include ':app'
rootProject.name = "SoftHomework"
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