diff --git a/1.txt b/1.txt deleted file mode 100644 index e69de29..0000000 diff --git a/AndroidStudio_projects/app/libs/mysql-connector-java-5.1.49.jar b/AndroidStudio_projects/app/libs/mysql-connector-java-5.1.49.jar deleted file mode 100644 index d3c8b41..0000000 Binary files a/AndroidStudio_projects/app/libs/mysql-connector-java-5.1.49.jar and /dev/null differ diff --git a/AndroidStudio_projects/app/src/androidTest/java/com/example/hamburger/ExampleInstrumentedTest.java b/AndroidStudio_projects/app/src/androidTest/java/com/example/hamburger/ExampleInstrumentedTest.java deleted file mode 100644 index 95943b8..0000000 --- a/AndroidStudio_projects/app/src/androidTest/java/com/example/hamburger/ExampleInstrumentedTest.java +++ /dev/null @@ -1,26 +0,0 @@ -package com.example.hamburger; - -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.hamburger", appContext.getPackageName()); - } -} \ No newline at end of file diff --git a/AndroidStudio_projects/app/src/androidTest/java/com/example/hamburger/Mtest.java b/AndroidStudio_projects/app/src/androidTest/java/com/example/hamburger/Mtest.java deleted file mode 100644 index 649b061..0000000 --- a/AndroidStudio_projects/app/src/androidTest/java/com/example/hamburger/Mtest.java +++ /dev/null @@ -1,84 +0,0 @@ -package com.example.hamburger; -import static androidx.test.core.app.ApplicationProvider.getApplicationContext; - -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.*; - -import com.example.hamburger.dao.UserDao; - -import android.content.Intent; -import android.os.Bundle; -import android.widget.EditText; -import android.view.View; -import android.widget.Toast; -import android.widget.Button; -import android.os.Handler; -import android.os.Message; -import android.annotation.SuppressLint; -import com.example.hamburger.dao.UserDao; -import com.example.hamburger.entity.User; - -@RunWith(AndroidJUnit4.class) -public class Mtest { - - @Test - public void text_1() { - // Context of the app under test. - Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext(); - assertEquals("com.example.hamburger", appContext.getPackageName()); - - new Thread(){ - @Override - public void run() { - UserDao userDao = new UserDao(); - int msg = userDao.login("1","1"); - } - }.start(); - } - - @Test - public void text_2() { - // Context of the app under test. - Context appContext = InstrumentationRegistry.getInstrumentation().getTargetContext(); - assertEquals("com.example.hamburger", appContext.getPackageName()); - - User user = new User(); - - user.setUserAccount("11"); - user.setUserPassword("11"); - user.setUserName("11"); - user.setUserType(1); - user.setUserState(0); - user.setUserDel(0); - - new Thread(){ - @Override - public void run() { - - int msg = 0; - - UserDao userDao = new UserDao(); - - User uu = userDao.findUser(user.getUserAccount()); - if(uu != null){ - msg = 1; - } - else{ - boolean flag = userDao.register(user); - if(flag){ - msg = 2; - } - } - - } - }.start(); - - } -} diff --git a/AndroidStudio_projects/app/src/main/java/com/example/hamburger/MainActivity.java b/AndroidStudio_projects/app/src/main/java/com/example/hamburger/MainActivity.java deleted file mode 100644 index 3810e48..0000000 --- a/AndroidStudio_projects/app/src/main/java/com/example/hamburger/MainActivity.java +++ /dev/null @@ -1,70 +0,0 @@ -package com.example.hamburger; - -import androidx.appcompat.app.AppCompatActivity; - -import android.content.Intent; -import android.os.Bundle; -import android.widget.EditText; -import android.view.View; -import android.widget.Toast; -import android.widget.Button; -import android.os.Handler; -import android.os.Message; -import android.annotation.SuppressLint; -import com.example.hamburger.dao.UserDao; - -public class MainActivity extends AppCompatActivity { - - //这个类主要用来进行，账号密码的验证，以及监听事件的编写。 - // 所以首先需要将一开始设计的输入文本框id name 和passwd获取。 - EditText name;//创建账号 - EditText passwd;//创建密码 - - private static final String TAG="mysql-party-MainActivity"; - - @Override - protected void onCreate(Bundle savedInstanceState) { - super.onCreate(savedInstanceState); - setContentView(R.layout.activity_main); - - } - - public void login(View view){ - - EditText EditTextAccount = findViewById(R.id.name); - EditText EditTextPassword = findViewById(R.id.passwd); - - Button button = (Button) findViewById(R.id.button); - - new Thread(){ - @Override - public void run() { - UserDao userDao = new UserDao(); - int msg = userDao.login(EditTextAccount.getText().toString(),EditTextPassword.getText().toString()); - hand1.sendEmptyMessage(msg); - } - }.start(); - } - - public void reg(View view){ - startActivity(new Intent(getApplicationContext(),register.class)); - } - - @SuppressLint("HandlerLeak") - final Handler hand1 = new Handler() { - @Override - public void handleMessage(Message msg) { - if (msg.what == 0){ - Toast.makeText(getApplicationContext(), "登录失败", Toast.LENGTH_LONG).show(); - } else if (msg.what == 1) { - Toast.makeText(getApplicationContext(), "登录成功", Toast.LENGTH_LONG).show(); - startActivity(new Intent(getApplicationContext(),MainActivity2.class)); - } else if (msg.what == 2){ - Toast.makeText(getApplicationContext(), "密码错误", Toast.LENGTH_LONG).show(); - } else if (msg.what == 3){ - Toast.makeText(getApplicationContext(), "账号不存在", Toast.LENGTH_LONG).show(); - } - } - }; - -} \ No newline at end of file diff --git a/AndroidStudio_projects/app/src/main/java/com/example/hamburger/MainActivity2.java b/AndroidStudio_projects/app/src/main/java/com/example/hamburger/MainActivity2.java deleted file mode 100644 index 522eda9..0000000 --- a/AndroidStudio_projects/app/src/main/java/com/example/hamburger/MainActivity2.java +++ /dev/null @@ -1,37 +0,0 @@ -package com.example.hamburger; - -import android.os.Bundle; - -import com.google.android.material.bottomnavigation.BottomNavigationView; - -import androidx.appcompat.app.AppCompatActivity; -import androidx.navigation.NavController; -import androidx.navigation.Navigation; -import androidx.navigation.ui.AppBarConfiguration; -import androidx.navigation.ui.NavigationUI; - -import com.example.hamburger.databinding.ActivityMain2Binding; - -public class MainActivity2 extends AppCompatActivity { - - private ActivityMain2Binding binding; - - @Override - protected void onCreate(Bundle savedInstanceState) { - super.onCreate(savedInstanceState); - - binding = ActivityMain2Binding.inflate(getLayoutInflater()); - setContentView(binding.getRoot()); - - BottomNavigationView navView = findViewById(R.id.nav_view); - // Passing each menu ID as a set of Ids because each - // menu should be considered as top level destinations. - AppBarConfiguration appBarConfiguration = new AppBarConfiguration.Builder( - R.id.navigation_home, R.id.navigation_dashboard, R.id.navigation_notifications) - .build(); - NavController navController = Navigation.findNavController(this, R.id.nav_host_fragment_activity_main2); - NavigationUI.setupActionBarWithNavController(this, navController, appBarConfiguration); - NavigationUI.setupWithNavController(binding.navView, navController); - } - -} \ No newline at end of file diff --git a/AndroidStudio_projects/app/src/main/java/com/example/hamburger/dao/UserDao.java b/AndroidStudio_projects/app/src/main/java/com/example/hamburger/dao/UserDao.java deleted file mode 100644 index 45497d4..0000000 --- a/AndroidStudio_projects/app/src/main/java/com/example/hamburger/dao/UserDao.java +++ /dev/null @@ -1,247 +0,0 @@ -package com.example.hamburger.dao; - - -import com.example.hamburger.entity.IsolationUser; -import com.example.hamburger.entity.User; -import com.example.hamburger.utils.JDBCUtils; - -import android.annotation.SuppressLint; -import android.util.Log; - -import java.sql.Connection; -import java.sql.PreparedStatement; -import java.sql.ResultSet; -import java.util.HashMap; - - -public class UserDao { - - private static final String TAG = "mysql-party-UserDao"; - - /** - * function: 登录 - * */ - @SuppressLint("LongLogTag") - public int login(String userAccount, String userPassword){ - - HashMap map = new HashMap<>(); - // 根据数据库名称，建立连接 - Connection connection = JDBCUtils.getConn(); - int msg = 0; - try { - // mysql简单的查询语句。这里是根据user表的userAccount字段来查询某条记录 - String sql = "select * from user_ where userAccount = ?"; - if (connection != null){// connection不为null表示与数据库建立了连接 - PreparedStatement ps = connection.prepareStatement(sql); - if (ps != null){ - Log.e(TAG,"账号：" + userAccount); - //根据账号进行查询 - ps.setString(1, userAccount); - // 执行sql查询语句并返回结果集 - ResultSet rs = ps.executeQuery(); - int count = rs.getMetaData().getColumnCount(); - //将查到的内容储存在map里 - while (rs.next()){ - // 注意：下标是从1开始的 - for (int i = 1;i <= count;i++){ - String field = rs.getMetaData().getColumnName(i); - map.put(field, rs.getString(field)); - } - } - connection.close(); - ps.close(); - - if (map.size()!=0){ - StringBuilder s = new StringBuilder(); - //寻找密码是否匹配 - for (String key : map.keySet()){ - if(key.equals("userPassword")){ - if(userPassword.equals(map.get(key))){ - msg = 1; //密码正确 - } - else - msg = 2; //密码错误 - break; - } - } - }else { - Log.e(TAG, "查询结果为空"); - msg = 3; - } - }else { - msg = 0; - } - }else { - msg = 0; - } - }catch (Exception e){ - e.printStackTrace(); - Log.d(TAG, "异常login：" + e.getMessage()); - msg = 0; - } - return msg; - } - - - /** - * function: 注册 - * */ - @SuppressLint("LongLogTag") - public boolean register(User user){ - HashMap map = new HashMap<>(); - // 根据数据库名称，建立连接 - Connection connection = JDBCUtils.getConn(); - - try { - String sql = "insert into user_(userAccount,userPassword,userName,userType,userState,userDel) values (?,?,?,?,?,?)"; - if (connection != null){// connection不为null表示与数据库建立了连接 - PreparedStatement ps = connection.prepareStatement(sql); - if (ps != null){ - - //将数据插入数据库 - ps.setString(1,user.getUserAccount()); - ps.setString(2,user.getUserPassword()); - ps.setString(3,user.getUserName()); - ps.setInt(4,user.getUserType()); - ps.setInt(5, user.getUserState()); - ps.setInt(6,user.getUserDel()); - - // 执行sql查询语句并返回结果集 - int rs = ps.executeUpdate(); - if(rs>0) - return true; - else - return false; - }else { - return false; - } - }else { - return false; - } - }catch (Exception e){ - e.printStackTrace(); - Log.e(TAG, "异常register：" + e.getMessage()); - return false; - } - - } - - /** - * function: 录入 - * */ - @SuppressLint("LongLogTag") - public boolean LogInfor(IsolationUser user){ - HashMap map = new HashMap<>(); - // 根据数据库名称，建立连接 - Connection connection = JDBCUtils.getConn(); - - try { - String sql = "insert into infor_(name,gender,id_number,room_number,checkin_time) values (?,?,?,?,?)"; - if (connection != null){// connection不为null表示与数据库建立了连接 - PreparedStatement ps = connection.prepareStatement(sql); - if (ps != null){ - - //将数据插入数据库 - ps.setString(1,user.getname()); - ps.setString(2,user.getGender()); - ps.setString(3,user.getIdnumber()); - ps.setInt(4,user.getRoomnumber()); - ps.setString(5, user.getCheckin_time()); - - // 执行sql查询语句并返回结果集 - int rs = ps.executeUpdate(); - if(rs>0) - return true; - else - return false; - }else { - return false; - } - }else { - return false; - } - }catch (Exception e){ - e.printStackTrace(); - Log.e(TAG, "异常loginfor：" + e.getMessage()); - return false; - } - - } - - /** - * function: 根据账号进行查找该用户是否存在 - * */ - @SuppressLint("LongLogTag") - public User findUser(String userAccount) { - - // 根据数据库名称，建立连接 - Connection connection = JDBCUtils.getConn(); - User user = null; - try { - String sql = "select * from user_ where userAccount = ?"; - if (connection != null){// connection不为null表示与数据库建立了连接 - PreparedStatement ps = connection.prepareStatement(sql); - if (ps != null) { - ps.setString(1, userAccount); - ResultSet rs = ps.executeQuery(); - - while (rs.next()) { - //注意：下标是从1开始 - int id = rs.getInt(1); - String userAccount1 = rs.getString(2); - String userPassword = rs.getString(3); - String userName = rs.getString(4); - int userType = rs.getInt(5); - int userState = rs.getInt(6); - int userDel = rs.getInt(7); - user = new User(userAccount1, userPassword); - } - } - } - }catch (Exception e){ - e.printStackTrace(); - Log.d(TAG, "异常findUser：" + e.getMessage()); - return null; - } - return user; - } - - /** - * function: 根据姓名进行查找该用户是否存在 录入功能 - * */ - @SuppressLint("LongLogTag") - public IsolationUser findUser_(String name) { - - // 根据数据库名称，建立连接 - Connection connection = JDBCUtils.getConn(); - IsolationUser user = null; - try { - String sql = "select * from infor_ where name = ?"; - if (connection != null){// connection不为null表示与数据库建立了连接 - PreparedStatement ps = connection.prepareStatement(sql); - if (ps != null) { - ps.setString(1, name); - ResultSet rs = ps.executeQuery(); - - while (rs.next()) { - //注意：下标是从1开始 - int id = rs.getInt(1); - String name1 = rs.getString(2); - String gender = rs.getString(3); - String idnumber = rs.getString(4); - int roomnumber = rs.getInt(5); - String checkin_time = rs.getString(6); - user = new IsolationUser(name1,gender,idnumber,roomnumber,checkin_time); - } - } - } - }catch (Exception e){ - e.printStackTrace(); - Log.d(TAG, "异常findUser：" + e.getMessage()); - return null; - } - return user; - } - -} - diff --git a/AndroidStudio_projects/app/src/main/java/com/example/hamburger/entity/IsolationUser.java b/AndroidStudio_projects/app/src/main/java/com/example/hamburger/entity/IsolationUser.java deleted file mode 100644 index 3a35df8..0000000 --- a/AndroidStudio_projects/app/src/main/java/com/example/hamburger/entity/IsolationUser.java +++ /dev/null @@ -1,72 +0,0 @@ -package com.example.hamburger.entity; - -public class IsolationUser { - - private int id; - private String name; - private String gender; - private String idnumber; - private int roomnumber; - private String checkin_time; - - - public IsolationUser() { - } - - public IsolationUser(String name, String gender, String idnumber, int roomnumber, String checkin_time) { - this.id = id; - this.name = name; - this.gender = gender; - this.idnumber = idnumber; - this.roomnumber = roomnumber; - this.checkin_time = checkin_time; - } - - public int getId() { - return id; - } - - public void setId(int id) { - this.id = id; - } - - public String getname() { - return name; - } - - public void setname(String name) { - this.name = name; - } - - public String getGender() { - return gender; - } - - public void setGender(String gender) { - this.gender = gender; - } - - public String getIdnumber() { - return idnumber; - } - - public void setIdnumber(String idnumber) { - this.idnumber = idnumber; - } - - public int getRoomnumber() { - return roomnumber; - } - - public void setRoomnumber(int roomnumber) { - this.roomnumber = roomnumber; - } - - public String getCheckin_time() { - return checkin_time; - } - - public void setCheckin_time(String checkin_time) { - this.checkin_time = checkin_time; - } -} diff --git a/AndroidStudio_projects/app/src/main/java/com/example/hamburger/entity/User.java b/AndroidStudio_projects/app/src/main/java/com/example/hamburger/entity/User.java deleted file mode 100644 index d6cb795..0000000 --- a/AndroidStudio_projects/app/src/main/java/com/example/hamburger/entity/User.java +++ /dev/null @@ -1,83 +0,0 @@ -package com.example.hamburger.entity; - -public class User { - - private int id; - private String userAccount; - private String userPassword; - private String userName; - private int userType; - private int userState; - private int userDel; - - - public User() { - } - - public User(String userAccount, String userPassword) { - this.id = id; - this.userAccount = userAccount; - this.userPassword = userPassword; - this.userName = userName; - this.userType = userType; - this.userState = userState; - this.userDel = userDel; - } - - public int getId() { - return id; - } - - public void setId(int id) { - this.id = id; - } - - public String getUserAccount() { - return userAccount; - } - - public void setUserAccount(String userAccount) { - this.userAccount = userAccount; - } - - public String getUserPassword() { - return userPassword; - } - - public void setUserPassword(String userPassword) { - this.userPassword = userPassword; - } - - public String getUserName() { - return userName; - } - - public void setUserName(String userName) { - this.userName = userName; - } - - public int getUserType() { - return userType; - } - - public void setUserType(int userType) { - this.userType = userType; - } - - public int getUserState() { - return userState; - } - - public void setUserState(int userState) { - this.userState = userState; - } - - public int getUserDel() { - return userDel; - } - - public void setUserDel(int userDel) { - this.userDel = userDel; - } -} - diff --git a/AndroidStudio_projects/app/src/main/java/com/example/hamburger/register.java b/AndroidStudio_projects/app/src/main/java/com/example/hamburger/register.java deleted file mode 100644 index 42a4041..0000000 --- a/AndroidStudio_projects/app/src/main/java/com/example/hamburger/register.java +++ /dev/null @@ -1,104 +0,0 @@ -package com.example.hamburger; - -import android.annotation.SuppressLint; -import android.content.Intent; -import android.os.Bundle; -import android.os.Handler; -import android.os.Message; -import android.view.View; -import android.widget.Button; -import android.widget.EditText; -import android.widget.Toast; -import com.example.hamburger.dao.UserDao; -import com.example.hamburger.entity.User; - -import androidx.appcompat.app.AppCompatActivity; - -public class register extends AppCompatActivity { - private static final String TAG = "mysql-party-register"; - EditText userAccount = null; - EditText userPassword = null; - EditText userName = null; - - @Override - protected void onCreate(Bundle savedInstanceState) { - super.onCreate(savedInstanceState); - setContentView(R.layout.activity_register); - - userAccount = findViewById(R.id.userAccount); - userPassword = findViewById(R.id.userPassword); - userName = findViewById(R.id.userName); - } - - - public void register(View view){ - - String userAccount1 = userAccount.getText().toString(); - String userPassword1 = userPassword.getText().toString(); - String userName1 = userName.getText().toString(); - User user = new User(); - user.setUserAccount(userAccount1); - user.setUserPassword(userPassword1); - user.setUserName(userName1); - user.setUserType(1); - user.setUserState(0); - user.setUserDel(0); - - new Thread(){ - @Override - public void run() { - int msg = 0; - UserDao userDao = new UserDao(); - User uu = userDao.findUser(user.getUserAccount()); - if(uu != null){ - msg = 1; - } - else{ - boolean flag = userDao.register(user); - if(flag){ - msg = 2; - } - } - hand.sendEmptyMessage(msg); - } - }.start(); - - - } - @SuppressLint("HandlerLeak") - final Handler hand = new Handler() - { - public void handleMessage(Message msg) { - if(msg.what == 0) { - Toast.makeText(getApplicationContext(),"注册失败",Toast.LENGTH_LONG).show(); - } else if(msg.what == 1) { - Toast.makeText(getApplicationContext(),"该账号已经存在，请换一个账号",Toast.LENGTH_LONG).show(); - } else if(msg.what == 2) { - Toast.makeText(getApplicationContext(), "注册成功", Toast.LENGTH_LONG).show(); - Intent intent = new Intent(); - //将想要传递的数据用putExtra封装在intent中 - intent.putExtra("a","注册"); - setResult(RESULT_CANCELED,intent); - finish(); - } - } - }; - - public void Ret(View view){ - //获取按钮 - Button button = (Button) findViewById(R.id.ret); - - //按钮进行监听 - button.setOnClickListener(new View.OnClickListener() { - @Override - public void onClick(View v) { - //监听按钮，如果点击，就跳转 - Intent intent = new Intent(); - //前一个（MainActivity.this）是目前页面，后面一个是要跳转的下一个页面 - intent.setClass(register.this, MainActivity.class); - startActivity(intent); - } - }); - } - -} \ No newline at end of file diff --git a/AndroidStudio_projects/app/src/main/java/com/example/hamburger/ui/home/Inform_input.java b/AndroidStudio_projects/app/src/main/java/com/example/hamburger/ui/home/Inform_input.java deleted file mode 100644 index ab58cf6..0000000 --- a/AndroidStudio_projects/app/src/main/java/com/example/hamburger/ui/home/Inform_input.java +++ /dev/null @@ -1,101 +0,0 @@ -package com.example.hamburger.ui.home; -import androidx.appcompat.app.AppCompatActivity; - -import android.annotation.SuppressLint; -import android.content.Intent; -import android.os.Bundle; -import android.os.Handler; -import android.os.Message; -import android.view.View; -import android.widget.EditText; -import android.widget.Toast; - -import com.example.hamburger.R; -import com.example.hamburger.dao.UserDao; -import com.example.hamburger.entity.IsolationUser; - -public class Inform_input extends AppCompatActivity{ - - private static final String TAG = "mysql-party-register"; - EditText name = null; - EditText gender = null; - EditText idnumber = null; - EditText roomnumber = null; - EditText checkin_time = null; - - - protected void onCreate(Bundle savedInstanceState) { - super.onCreate(savedInstanceState); - setContentView(R.layout.infor_input); - - name = findViewById(R.id.name); - gender = findViewById(R.id.gender); - idnumber = findViewById(R.id.ID_number); - roomnumber = findViewById(R.id.roomnumber); - checkin_time = findViewById(R.id.checkin_time); - - } - - public void addInfor(View view){ - String name1 = name.getText().toString(); - String gender1 = gender.getText().toString(); - String idnumber1 = idnumber.getText().toString(); - int roomnumber1 = Integer.parseInt(roomnumber.getText().toString()); - String checkin_time1 = checkin_time.getText().toString(); - - IsolationUser user=new IsolationUser(); - - user.setname(name1); - user.setGender(gender1); - user.setIdnumber(idnumber1); - user.setRoomnumber(roomnumber1); - user.setCheckin_time(checkin_time1); - - new Thread(){ - @Override - public void run() { - - int msg = 0; - - UserDao userDao = new UserDao(); - - IsolationUser uu = userDao.findUser_(user.getname()); - if(uu != null){ - msg = 1; - } - else{ - boolean flag = userDao.LogInfor(user); - if(flag){ - msg = 2; - } - } - hand.sendEmptyMessage(msg); - - } - }.start(); - } - - @SuppressLint("HandlerLeak") - final Handler hand = new Handler() - { - public void handleMessage(Message msg) { - if(msg.what == 0) { - Toast.makeText(getApplicationContext(),"录入失败",Toast.LENGTH_LONG).show(); - } else if(msg.what == 1) { - Toast.makeText(getApplicationContext(),"该信息已经存在，请重新录入",Toast.LENGTH_LONG).show(); - } else if(msg.what == 2) { - Toast.makeText(getApplicationContext(), "录入成功", Toast.LENGTH_LONG).show(); - Intent intent = new Intent(); - //将想要传递的数据用putExtra封装在intent中 - intent.putExtra("a","录入"); - setResult(RESULT_CANCELED,intent); - finish(); - } - } - }; - - public void findInfor(View view){ - - } - -} diff --git a/AndroidStudio_projects/app/src/main/java/com/example/hamburger/utils/JDBCUtils.java b/AndroidStudio_projects/app/src/main/java/com/example/hamburger/utils/JDBCUtils.java deleted file mode 100644 index 442c3a4..0000000 --- a/AndroidStudio_projects/app/src/main/java/com/example/hamburger/utils/JDBCUtils.java +++ /dev/null @@ -1,37 +0,0 @@ -package com.example.hamburger.utils; - -import java.sql.Connection; -import java.sql.DriverManager; - -/** - * function： 数据库工具类，连接数据库用 - */ -public class JDBCUtils { - private static final String TAG = "mysql-party-JDBCUtils"; - - private static String driver = "com.mysql.jdbc.Driver";// MySql驱动 - - private static String dbName = "party";// 数据库名称 - - private static String user = "rootes";// 用户名 - - private static String password = "123456";// 密码 - - public static Connection getConn(){ - - Connection connection = null; - try{ - Class.forName(driver);// 动态加载类 - String ip = "192.168.43.7";// 写成本机地址，不能写成localhost，同时手机和电脑连接的网络必须是同一个 - - // 尝试建立到给定数据库URL的连接 - connection = DriverManager.getConnection("jdbc:mysql://" + ip + ":3306/" + dbName, - user, password); - - }catch (Exception e){ - e.printStackTrace(); - } - return connection; - } -} - diff --git a/AndroidStudio_projects/app/src/main/res/layout/activity_main.xml b/AndroidStudio_projects/app/src/main/res/layout/activity_main.xml deleted file mode 100644 index 95e4973..0000000 --- a/AndroidStudio_projects/app/src/main/res/layout/activity_main.xml +++ /dev/null @@ -1,140 +0,0 @@ - - - - - - - - - - - - - - - - - - - - - - - - - - - -