完成了登录注册

src/backend/controller/interfaces/LoginController.java

@@ -1,5 +1,4 @@
 package backend.controller.interfaces;
-import backend.service.interfaces.AuthService;
 
 /**
  * 登录控制器接口，用于处理用户登录和注册相关的业务逻辑

src/backend/dao/impl/UserDao.java

@@ -2,12 +2,10 @@ package backend.dao.impl;
 
 import backend.dao.interfaces.UserDaoIF;
 import backend.model.User;
+import backend.utils.DBConnectionPool;
 import backend.utils.DBHelper;
 
-import java.sql.Connection;
-import java.sql.PreparedStatement;
-import java.sql.ResultSet;
-import java.sql.SQLException;
+import java.sql.*;
 import java.util.List;
 
 public class UserDao implements UserDaoIF {
@@ -29,7 +27,7 @@ public class UserDao implements UserDaoIF {
                 user.setPassword(rs.getString("password"));
                 user.setRole(rs.getString("role"));
                 user.setEmail(rs.getString("email"));
-                user.setCreatedAt(rs.getTimestamp("createdAt"));
+                user.setCreatedAt(String.valueOf(rs.getTimestamp("createdAt")));
             }
         } catch (SQLException e) {
             System.out.println("查询用户失败: " + e.getMessage());
@@ -53,7 +51,7 @@ public class UserDao implements UserDaoIF {
                 user.setPassword(rs.getString("password"));
                 user.setRole(rs.getString("role"));
                 user.setEmail(rs.getString("email"));
-                user.setCreatedAt(rs.getTimestamp("createdAt"));
+                user.setCreatedAt(String.valueOf(rs.getTimestamp("createdAt")));
             }
         }catch (SQLException e) {
             System.out.println("查询用户失败: " + e.getMessage());
@@ -62,8 +60,11 @@ public class UserDao implements UserDaoIF {
     }
 
     @Override
-    public boolean addUser(User user) {
+    public int addUser(User user) {
         Connection conn = DBHelper.getInstance().getConnection();
+        int row=0;
+        if(conn==null)
+            return 0;
         String sql = "insert into USER (username,password,role,email,createdAt) values (?,?,?,?,?)";
         try{
             PreparedStatement stmt = conn.prepareStatement(sql);
@@ -71,17 +72,23 @@ public class UserDao implements UserDaoIF {
             stmt.setString(2,user.getPassword());
             stmt.setString(3,user.getRole());
             stmt.setString(4,user.getEmail());
-            stmt.setTimestamp(5,user.getCreatedAt());
-            return stmt.executeUpdate() > 0;
+            stmt.setDate(5,user.getCreatedAt());
+            row = stmt.executeUpdate();
+            stmt.close();
+            DBConnectionPool.releaseConnection(conn);
         } catch (SQLException e) {
             System.out.println("添加用户失败: " + e.getMessage());
         }
-        return false;
+        return row;
     }
 
     @Override
-    public boolean updateUser(User user) {
+    public int updateUser(User user) {
         Connection conn = DBHelper.getInstance().getConnection();
+        int row = 0;
+        if(conn==null)
+            return 0;
+
         String sql = "update USER set username = ?,password = ?,role = ?,email = ?,createdAt = ? where id = ?";
         try{
             PreparedStatement stmt = conn.prepareStatement(sql);
@@ -89,27 +96,30 @@ public class UserDao implements UserDaoIF {
             stmt.setString(2,user.getPassword());
             stmt.setString(3,user.getRole());
             stmt.setString(4,user.getEmail());
-            stmt.setTimestamp(5,user.getCreatedAt());
+            stmt.setDate(5,user.getCreatedAt());
             stmt.setInt(6,user.getId());
-            return stmt.executeUpdate() > 0;
+            row = stmt.executeUpdate();
+            stmt.close();
+            DBConnectionPool.releaseConnection(conn);
         } catch (SQLException e) {
             System.out.println("更新用户失败: " + e.getMessage());
         }
-        return false;
+        return row;
     }
 
     @Override
-    public boolean deleteUser(int id) {
+    public int deleteUser(int id) {
         Connection conn = DBHelper.getInstance().getConnection();
         String sql = "delete from USER where id = ?";
+        int row = 0;
         try{
             PreparedStatement stmt = conn.prepareStatement(sql);
             stmt.setInt(1,id);
-            return stmt.executeUpdate() > 0;
+            row = stmt.executeUpdate() ;
         } catch (SQLException e) {
             System.out.println("删除用户失败: " + e.getMessage());
         }
-        return false;
+        return row;
     }
 
     @Override
@@ -126,7 +136,7 @@ public class UserDao implements UserDaoIF {
                 user.setPassword(rs.getString("password"));
                 user.setRole(rs.getString("role"));
                 user.setEmail(rs.getString("email"));
-                user.setCreatedAt(rs.getTimestamp("createdAt"));
+                user.setCreatedAt(String.valueOf(rs.getTimestamp("createdAt")));
                 return List.of(user);
             }
         }catch (SQLException e) {

src/backend/dao/interfaces/UserDaoIF.java

@@ -27,21 +27,21 @@ public interface UserDaoIF {
      * @param user 要添加的用户对象
      * @return 添加成功返回true，失败返回false
      */
-    boolean addUser(User user);
+    int addUser(User user);
 
     /**
      * 更新用户信息
      * @param user 包含更新信息的用户对象
      * @return 更新成功返回true，失败返回false
      */
-    boolean updateUser(User user);
+    int updateUser(User user);
 
     /**
      * 删除用户
      * @param id 要删除的用户ID
      * @return 删除成功返回true，失败返回false
      */
-    boolean deleteUser(int id);
+    int deleteUser(int id);
 
     /**
      * 查找所有用户

src/backend/model/Questions.java

@@ -0,0 +1,9 @@
+package backend.model;
+
+public class Questions {
+    private int id;
+    private String name;
+    private String description;
+    private String answer;
+    private int frequency;
+}

src/backend/model/User.java

@@ -1,4 +1,6 @@
 package backend.model;
+import backend.utils.DBHelper;
+
 import java.sql.*;
 
 /**
@@ -50,6 +52,24 @@ public class User {
         this.id = id;
     }
 
+    public void setId() {
+        Connection conn = DBHelper.getInstance().getConnection();
+        //根据目前最大ID值
+        String sql = "select max(id) from USER";
+        try {
+            PreparedStatement stmt = conn.prepareStatement(sql);
+            ResultSet rs = stmt.executeQuery();
+            if(rs.next()) {
+                id = rs.getInt(1) + 1;
+                this.id = id;
+            }
+        } catch (SQLException e) {
+            e.printStackTrace();
+        }
+    }
+
+
+
     /**
      * 设置用户名
      *
@@ -65,6 +85,9 @@ public class User {
      * @param role 用户角色，可选值为"admin"或"user"
      */
     public void setRole(String role) {
+        if(this.getUsername().equals("admin"))
+            this.role = "admin";
+        else
             this.role = role;
     }
 
@@ -91,9 +114,16 @@ public class User {
      *
      * @param createdAt 用户创建时间
      */
-    public void setCreatedAt(Timestamp createdAt) {
-        this.createdAt = createdAt;
+public void setCreatedAt(String createdAt) {
+    try {
+        long timestamp = Long.parseLong(createdAt);
+        this.createdAt = new Date(timestamp);
+    } catch (NumberFormatException e) {
+        // 如果不是有效的时间戳，可以设置为当前日期或处理异常
+        this.createdAt = new Date(System.currentTimeMillis());
     }
+}
+
 
     /**
      * 获取用户ID
@@ -145,8 +175,8 @@ public class User {
      *
      * @return 用户创建时间
      */
-    public Timestamp getCreatedAt() {
-        return createdAt;
+    public Date getCreatedAt() {
+        return Date.valueOf(String.valueOf(createdAt));
     }
 }
 

src/backend/model/enums/LoginStatus.java

@@ -2,27 +2,35 @@ package backend.model.enums;
 
 /**
  * 登录状态枚举类
- * 定义了系统中所有可能的登录相关状态码和对应的消息描述
+ * 用final保证状态信息不可变，用static提供工具方法
  */
 public enum LoginStatus {
-    SUCCESS(490,"登录成功"),
-    USER_NOT_FOUND(491,"用户不存在"),
-    PASSWORD_ERROR(492,"密码错误"),
-    ALREADY_LOGGED_IN(493,"重复登录"),
-    CAPTCHA_ERROR(494,"验证码错误"),
-    ACCOUNT_LOCKED(495,"账户被封禁"),
-    PERMISSION_DENIED(496,"权限不足"),
-    LOGOUT_SUCCESS(497,"登出成功"),
-    NOT_LOGGED_IN(498,"未登录"),
-    UNKNOWN_ERROR(499,"未知错误"),
-    REGISTER_FAILD(500,"注册失败");
+    // 【任务3】枚举实例：状态码和描述
+    // 成功登录
+    SUCCESS(200,"登录成功"),
+    // 密码错误
+    PASSWORD_ERROR(901,"密码错误"),
+    // 验证码错误
+    CAPTCHA_ERROR(902,"验证码错误"),
+    // 用户不存在
+    USER_NOT_FOUND(903,"用户不存在"),
+    //注册失败
+    REGISTER_FAILED(904, "注册失败，用户名已存在"),
+    //注册成功
+    REGISTER_SUCCESS(905, "注册成功"),
+    //两次输入密码不一致
+    PASSWORD_NOT_MATCH(906, "两次输入的密码不一致");
 
 
+    // 【任务1】定义 final修饰的属性：确保状态信息不可修改
     private final int code;
     private final String msg;
 
+
+
     /**
-     * 构造函数，初始化状态码和消息
+     * 【任务2】
+     * 构造函数，用于创建LoginStatus实例
      * @param code 状态码
      * @param msg 状态消息
      */
@@ -31,13 +39,14 @@ public enum LoginStatus {
         this.msg = msg;
     }
 
+    // 静态方法：根据状态码获取枚举实例（static工具方法）
     /**
-     * 根据状态码获取对应的登录状态枚举值
+     * 【任务4】
+     * 静态方法： getByCode 根据状态码获取对应的登录状态枚举值
      * @param code 状态码
-     * @return 对应的LoginStatus枚举值，如果未找到则返回null
+     * @return LoginStatus 对应的LoginStatus枚举值，如果找不到匹配的状态码则返回null
      */
     public static LoginStatus getByCode(int code){
-        // 遍历所有枚举值查找匹配的状态码
         for(LoginStatus status:values()){
             if(status.code==code){
                 return status;
@@ -46,21 +55,25 @@ public enum LoginStatus {
         return null;
     }
 
+    // getter方法（final属性无需setter）
     /**
-     * 获取状态码
-     * @return 状态码
+     * 【任务5】
+     * 方法： getCode 获取code值
+     *
+     * @return int code值
      */
     public int getCode() {
         return code;
     }
 
     /**
-     * 获取状态消息
-     * @return 状态消息
+     * 任务【6】
+     * 方法： getMsg 获取消息内容
+     *
+     * @return String 返回当前对象的消息字符串
      */
     public String getMsg() {
         return msg;
     }
-
 }
 

src/backend/service/impl/AuthService.java

@@ -0,0 +1,43 @@
+package backend.service.impl;
+import backend.dao.impl.UserDao;
+import backend.model.enums.LoginStatus;
+import backend.model.User;
+import backend.utils.impl.*;
+
+public class AuthService {
+    private UserDao userDao = new UserDao();
+    public LoginStatus login(User user) {
+        User dbUser = userDao.findByUsername(user.getUsername());
+        if(dbUser==null)
+            return LoginStatus.USER_NOT_FOUND;
+        if(dbUser.getUsername().equals(user.getUsername())&&dbUser.getPassword().equals(user.getPassword()))
+            return LoginStatus.SUCCESS;
+        else if (!dbUser.getUsername().equals(user.getUsername())) {
+            return LoginStatus.USER_NOT_FOUND;
+        }
+        return LoginStatus.PASSWORD_ERROR;
+    }
+
+    public LoginStatus register(User user) {
+        User dbAccount = userDao.findByUsername(user.getUsername());
+        if(dbAccount!=null)
+            return LoginStatus.REGISTER_FAILED;
+        //点击注册按钮后的事件
+        int row = userDao.addUser(user);
+        if(row>0)
+            return LoginStatus.REGISTER_SUCCESS;
+        else
+            return LoginStatus.REGISTER_FAILED;
+    }
+
+
+    public boolean hasPermission(int userId, String requiredRole) {
+        UserDao userDao = new UserDao();
+        User user = userDao.findById(userId);
+        if (user != null) {
+            return user.getRole().equals(requiredRole);
+        }
+        return false;
+    }
+}
+

src/backend/service/interfaces/AuthService.java

@@ -1,48 +0,0 @@
-package backend.service.interfaces;
-
-/**
- * 认证服务接口
- * 提供用户认证和权限管理相关功能
- */
-public interface AuthService {
-    /**
-     * 用户登录验证
-     * 验证用户名和密码是否匹配，如果匹配则允许用户登录系统
-     *
-     * @param username 用户名
-     * @param password 密码
-     * @return 登录成功返回true，失败返回false
-     */
-    boolean login(String username, String password);
-
-    /**
-     * 用户注册
-     * 创建新的用户账户，将用户信息存储到系统中
-     *
-     * @param username 用户名
-     * @param password 密码
-     * @param email 邮箱地址
-     * @return 注册成功返回true，失败返回false
-     */
-    boolean register(String username, String password, String email);
-
-    /**
-     * 用户登出
-     * 使指定用户的会话失效，结束用户的登录状态
-     *
-     * @param userId 用户唯一标识符
-     * @return 登出成功返回true，失败返回false
-     */
-    boolean logout(int userId);
-
-    /**
-     * 权限检查
-     * 检查指定用户是否具有所需的权限角色
-     *
-     * @param userId 用户唯一标识符
-     * @param requiredRole 所需的角色权限
-     * @return 具有权限返回true，无权限返回false
-     */
-    boolean hasPermission(int userId, String requiredRole);
-}
-

src/backend/utils/impl/CaptchaUtils.java

@@ -0,0 +1,49 @@
+package backend.utils.impl;
+
+import java.util.Random;
+
+public class CaptchaUtils implements backend.utils.interfaces.CaptchaUtils{
+    /**
+     * 字符集常量，包含大小写字母和数字
+     */
+    static final String CHAR_SET="ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
+
+    /**
+     * 验证码长度常量，默认为4位
+     */
+    static final int CAPTCHA_LENGTH=4;
+
+    /**
+     * 私有构造函数，防止实例化
+     */
+    private CaptchaUtils(){};
+
+    /**
+     * 生成随机验证码
+     *
+     * @return 生成的验证码字符串
+     */
+    public static String generateCaptcha(){
+        Random random = new Random();
+        //生成随机验证码
+        StringBuilder sb = new StringBuilder();
+        for(int i=0;i<CAPTCHA_LENGTH;i++){
+            //生成随机数索引
+            int index = random.nextInt(CHAR_SET.length());
+            //根据索引获取随机字符
+            sb.append(CHAR_SET.charAt(index));
+        }
+        return sb.toString();
+    }
+
+    /**
+     * 验证用户输入的验证码是否正确
+     *
+     * @param inputCaptcha 用户输入的验证码
+     * @param systemCaptcha 系统生成的验证码
+     * @return 验证结果，正确返回true，错误返回false
+     */
+    public static boolean verifyCaptcha(String inputCaptcha,String systemCaptcha){
+        return inputCaptcha.equals(systemCaptcha);
+    }
+}

src/backend/utils/impl/PasswordUtils.java

@@ -0,0 +1,89 @@
+package backend.utils.impl;
+
+import java.security.MessageDigest;
+import java.security.NoSuchAlgorithmException;
+import java.security.SecureRandom;
+
+public class PasswordUtils {
+    private static final String PREFIX = "encrypted_";
+    private static final SecureRandom random = new SecureRandom();
+
+    /**
+     * 对明文密码进行加密处理
+     *
+     * @param plainText 需要加密的明文密码字符串
+     * @return 加密后的密码字符串
+     */
+    public static String encrypt(String plainText){
+        if (plainText == null) {
+            throw new IllegalArgumentException("密码不能为空");
+        }
+
+        try {
+            MessageDigest md = MessageDigest.getInstance("SHA-256");
+            byte[] salt = new byte[16];
+            random.nextBytes(salt);
+            md.update(salt);
+
+            byte[] hashedPassword = md.digest(plainText.getBytes());
+            StringBuilder sb = new StringBuilder();
+            sb.append(PREFIX);
+            for (byte b : salt) {
+                sb.append(String.format("%02x", b));
+            }
+            for (byte b : hashedPassword) {
+                sb.append(String.format("%02x", b));
+            }
+            return sb.toString();
+        } catch (NoSuchAlgorithmException e) {
+            throw new RuntimeException("SHA-256 algorithm not available", e);
+        }
+    }
+
+    /**
+     * 验证明文密码与已加密密码是否匹配
+     *
+     * @param plainText 明文密码字符串
+     * @param hashed 已加密的密码字符串
+     * @return 如果匹配返回true，否则返回false
+     */
+    public static boolean verify(String plainText, String hashed){
+        if (plainText == null || hashed == null) {
+            return false;
+        }
+
+        if (!hashed.startsWith(PREFIX)) {
+            return false;
+        }
+
+        try {
+            MessageDigest md = MessageDigest.getInstance("SHA-256");
+            String hashWithoutPrefix = hashed.substring(PREFIX.length());
+
+            if (hashWithoutPrefix.length() < 32) {
+                return false;
+            }
+
+            String saltHex = hashWithoutPrefix.substring(0, 32);
+            String storedHashHex = hashWithoutPrefix.substring(32);
+
+            byte[] salt = new byte[16];
+            for (int i = 0; i < 16; i++) {
+                salt[i] = (byte) Integer.parseInt(saltHex.substring(i * 2, i * 2 + 2), 16);
+            }
+
+            md.update(salt);
+            byte[] hashedPassword = md.digest(plainText.getBytes());
+            StringBuilder sb = new StringBuilder();
+            for (byte b : hashedPassword) {
+                sb.append(String.format("%02x", b));
+            }
+
+            return sb.toString().equals(storedHashHex);
+        } catch (NoSuchAlgorithmException e) {
+            throw new RuntimeException("SHA-256 algorithm not available", e);
+        } catch (NumberFormatException e) {
+            return false;
+        }
+    }
+}

src/view/LoginFrame.java

@@ -0,0 +1,199 @@
+package view;
+import backend.model.enums.LoginStatus;
+import backend.model.User;
+import backend.service.impl.AuthService;
+import backend.utils.impl.CaptchaUtils;
+
+import javax.swing.*;
+import java.awt.*;
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
+
+public class LoginFrame extends JFrame{
+    private JPanel mainPanel;//中间层面板
+    private JTextField usernameTextField;//用户名输入框
+    private JPasswordField passwordField;//密码输入框
+    private JTextField captchaTextField;//验证码输入框
+    private JLabel captchaLabel;//验证码标签
+    private JButton loginButton;//登录按钮
+    private JButton registerButton;//注册按钮
+    private AuthService authService = new AuthService();
+    public LoginFrame() {
+        //初始化界面
+        initView();
+        //注册监听器
+        initListener();
+        usernameTextField.setText("admin");
+        passwordField.setText("123456");
+        captchaTextField.setText(captchaLabel.getText());
+    }
+    private void initView(){
+        //1.设置标题
+        setTitle("登录");
+        //2.设置点击关闭时的动作
+        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        //3.中间层容器
+        add(initPanel());
+        //4.不允许窗口改变大小
+        setResizable(false);
+        //5.自动调整窗口大小 居中显示
+        pack();//自动调整窗口大小
+        setLocationRelativeTo(null);//剧中
+        //6.显示窗口
+        setVisible(true);
+    }
+
+    private void initListener(){
+        captchaLabel.addMouseListener(new MouseAdapter() {
+            @Override
+            public void mouseClicked(MouseEvent e) {
+                captchaLabel.setText(CaptchaUtils.generateCaptcha());
+            }
+        });
+
+        loginButton.addActionListener(e -> {
+            //点击登录按钮后的事件
+            String username = usernameTextField.getText();
+            String password = passwordField.getText();
+            String captcha = captchaTextField.getText();
+            //System.out.println("用户名" + username + " 密码" + password + " 验证码" + captcha);
+            if(username.equals("")||password.equals("")||captcha.equals("")) {
+                JOptionPane.showMessageDialog(this, "请填写完整信息！", "提示", JOptionPane.INFORMATION_MESSAGE);
+                return;
+            }
+            if(!CaptchaUtils.verifyCaptcha(captcha,captchaLabel.getText())){
+                JOptionPane.showMessageDialog(this, LoginStatus.CAPTCHA_ERROR.getMsg(), "提示", JOptionPane.INFORMATION_MESSAGE);
+                return;
+            }
+            User account = new User();
+            account.setUsername(username);
+            account.setPassword(password);
+            LoginStatus loginStatus = authService.login(account);
+            if(loginStatus == LoginStatus.SUCCESS) {
+                //进入主界面
+                MainFrame mainFrame = new MainFrame();
+                this.dispose();
+            }
+            else if(loginStatus == LoginStatus.USER_NOT_FOUND) {
+                JOptionPane.showMessageDialog(this, LoginStatus.USER_NOT_FOUND.getMsg(), "提示", JOptionPane.INFORMATION_MESSAGE);
+                return;
+            }
+            else if(loginStatus == LoginStatus.PASSWORD_ERROR) {
+                JOptionPane.showMessageDialog(this, LoginStatus.PASSWORD_ERROR.getMsg(), "提示", JOptionPane.INFORMATION_MESSAGE);
+                return;
+            }
+            else{
+                JOptionPane.showMessageDialog(this, loginStatus.getMsg(), "提示", JOptionPane.INFORMATION_MESSAGE);
+            }
+        });
+        registerButton.addActionListener(e -> {
+            //点击注册按钮后的事件
+           RegisterFrame registerFrame = new RegisterFrame();
+           registerFrame.setVisible(true);
+           registerFrame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
+        });
+    }
+
+
+    private JPanel initPanel(){
+        mainPanel = new JPanel();
+        GridLayout gridLayout = new GridLayout(6,1,10,10);
+        mainPanel.setLayout(gridLayout);
+        //第1层 空白面板 占用
+        mainPanel.add(new JPanel());
+        //第2层 账号面板
+        mainPanel.add(initAcountPanel());
+        //第3层 密码面板
+        mainPanel.add(initPasswordPanel());
+        //第4层 验证码面板
+        mainPanel.add(initCaptchaPanel());
+        //第5层 按钮面板
+        mainPanel.add(initButtonPanel());
+        //第6层 空白面板 占用
+        return mainPanel;
+    }
+
+    private JPanel initAcountPanel(){
+        JPanel panel = new JPanel();
+        panel.setLayout(new GridLayout(1,4,10,0));
+        JLabel label = new JLabel("用户名：");
+        //让label居右
+        label.setHorizontalAlignment(SwingConstants.RIGHT);
+        usernameTextField = new JTextField(15);
+        panel.add(label);
+        panel.add(usernameTextField);
+        panel.add(new JPanel());
+        return panel;
+    }
+
+    private JPanel initPasswordPanel(){
+        JPanel panel = new JPanel();
+        // 设置网格布局，1行4列，水平间距10像素
+        panel.setLayout(new GridLayout(1,4,10,0));
+        JLabel label = new JLabel("密    码：");
+        // 设置标签文本右对齐
+        label.setHorizontalAlignment(SwingConstants.RIGHT);
+        passwordField = new JPasswordField(15);
+        panel.add(label);
+        panel.add(passwordField);
+        // 添加空白面板占位
+        panel.add(new JPanel());
+        return panel;
+    }
+
+    private JPanel initCaptchaPanel(){
+        // 创建面板并设置网格布局
+        JPanel panel = new JPanel();
+        panel.setLayout(new GridLayout(1,4,10,0));
+
+        // 创建验证码标签
+        JLabel label = new JLabel("验证码：");
+        label.setHorizontalAlignment(SwingConstants.RIGHT);
+
+        // 创建验证码输入框和验证码显示标签
+        captchaTextField = new JTextField(4);
+        captchaLabel = new JLabel(CaptchaUtils.generateCaptcha());
+
+        // 将组件添加到面板中
+        panel.add(label);
+        panel.add(captchaTextField);
+        panel.add(captchaLabel);
+
+        return panel;
+    }
+
+    private JPanel initEmailPanel(){
+        JPanel panel = new JPanel();
+        panel.setLayout(new GridLayout(1,4,10,0));
+        JLabel label = new JLabel("邮    箱：");
+        label.setHorizontalAlignment(SwingConstants.RIGHT);
+        JTextField emailTextField = new JTextField(15);
+        panel.add(label);
+        panel.add(emailTextField);
+        panel.add(new JPanel());
+        return panel;
+    }
+
+    private JPanel initButtonPanel(){
+        JPanel panel = new JPanel();
+        panel.setLayout(new GridLayout(1,4,10,0));
+        loginButton = new JButton("登录");
+        registerButton = new JButton("注册");
+        panel.add(new JPanel());
+        panel.add(loginButton);
+        panel.add(registerButton);
+        panel.add(new JPanel());
+        return panel;
+    }
+
+    public static void main(String[] args) {
+        SwingUtilities.invokeLater(() -> {
+            LoginFrame loginFrame = new LoginFrame();
+            loginFrame.setVisible(true);
+        });
+    }
+}
+
+
+
+

src/view/MainFrame.java

@@ -0,0 +1,7 @@
+package view;
+
+import javax.swing.*;
+
+public class MainFrame {
+    private JPanel mainPanel;
+}

src/view/RegisterFrame.java

@@ -0,0 +1,223 @@
+package view;
+
+import backend.model.User;
+import backend.model.enums.LoginStatus;
+import backend.service.impl.AuthService;
+import backend.utils.impl.CaptchaUtils;
+
+import javax.swing.*;
+import java.awt.*;
+import java.awt.event.MouseAdapter;
+import java.awt.event.MouseEvent;
+
+public class RegisterFrame extends JFrame{
+        private JPanel mainPanel;//中间层面板
+        private JTextField usernameTextField;//用户名输入框
+        private JPasswordField passwordField;//密码输入框
+        private JPasswordField confirmPasswordField;//确认密码输入框
+        private JTextField captchaTextField;//验证码输入框
+        private JTextField emailTextField;//邮箱输入框
+        private JLabel captchaLabel;//验证码标签
+        private JButton registerButton;//注册按钮
+        private JButton backButton;//返回按钮
+        private AuthService authService = new AuthService();
+        public RegisterFrame() {
+            //初始化界面
+            initView();
+            //注册监听器
+            initListener();
+            usernameTextField.setText("admin");
+            passwordField.setText("123456");
+            captchaTextField.setText(captchaLabel.getText());
+            emailTextField.setText("123456@qq.com");
+            confirmPasswordField.setText(passwordField.getText());
+        }
+        private void initView(){
+            //1.设置标题
+            setTitle("注册");
+            //2.设置点击关闭时的动作
+            setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+            //3.中间层容器
+            add(initPanel());
+            //4.不允许窗口改变大小
+            setResizable(false);
+            //5.自动调整窗口大小 居中显示
+            pack();//自动调整窗口大小
+            setLocationRelativeTo(null);//剧中
+            //6.显示窗口
+            setVisible(true);
+        }
+
+        private void initListener(){
+            captchaLabel.addMouseListener(new MouseAdapter() {
+                @Override
+                public void mouseClicked(MouseEvent e) {
+                    captchaLabel.setText(CaptchaUtils.generateCaptcha());
+                }
+            });
+
+            registerButton.addActionListener(e -> {
+                //点击注册按钮后的事件
+                String username = usernameTextField.getText();
+                String password = passwordField.getText();
+                String captcha = captchaTextField.getText();
+                //System.out.println("用户名" + username + " 密码" + password + " 验证码" + captcha);
+                if(username.equals("")||password.equals("")||captcha.equals("")) {
+                    JOptionPane.showMessageDialog(this, "请填写完整信息！", "提示", JOptionPane.INFORMATION_MESSAGE);
+                    return;
+                }
+                if(!CaptchaUtils.verifyCaptcha(captcha,captchaLabel.getText())){
+                    JOptionPane.showMessageDialog(this, LoginStatus.CAPTCHA_ERROR.getMsg(), "提示", JOptionPane.INFORMATION_MESSAGE);
+                    return;
+                }
+                if(!confirmPasswordField.getText().equals(password))
+                    JOptionPane.showMessageDialog(this, LoginStatus.PASSWORD_NOT_MATCH.getMsg(), "提示", JOptionPane.INFORMATION_MESSAGE);
+                User account = new User();
+                account.setId();
+                account.setUsername(username);
+                account.setPassword(password);
+                account.setEmail(emailTextField.getText());
+                account.setRole("user");
+                account.setCreatedAt(String.valueOf(System.currentTimeMillis()));
+                LoginStatus loginStatus = authService.register(account);
+                if(loginStatus==LoginStatus.REGISTER_SUCCESS) {
+                    this.dispose();
+                }
+                if(loginStatus == LoginStatus.SUCCESS) {
+                    //返回注册界面
+                    mainPanel.removeAll();
+                    //关闭注册界面
+                    this.dispose();
+                }
+                else if(loginStatus == LoginStatus.USER_NOT_FOUND) {
+                    JOptionPane.showMessageDialog(this, LoginStatus.USER_NOT_FOUND.getMsg(), "提示", JOptionPane.INFORMATION_MESSAGE);
+                    return;
+                }
+                else if(loginStatus == LoginStatus.PASSWORD_ERROR) {
+                    JOptionPane.showMessageDialog(this, LoginStatus.PASSWORD_ERROR.getMsg(), "提示", JOptionPane.INFORMATION_MESSAGE);
+                    return;
+                }
+                else{
+                    JOptionPane.showMessageDialog(this, loginStatus.getMsg(), "提示", JOptionPane.INFORMATION_MESSAGE);
+                }
+            });
+            backButton.addActionListener(e -> {
+                //返回登录界面
+                mainPanel.removeAll();
+                dispose();
+            });
+        }
+
+
+    private JPanel initPanel(){
+            mainPanel = new JPanel();
+            GridLayout gridLayout = new GridLayout(8,1,10,10);
+            mainPanel.setLayout(gridLayout);
+            //第1层 空白面板 占用
+            mainPanel.add(new JPanel());
+            //第2层 账号面板
+            mainPanel.add(initAcountPanel());
+            //第3层 密码面板
+            mainPanel.add(initPasswordPanel());
+            //第4层 密码确认面板
+            mainPanel.add(initConfirmPasswordPanel());
+            //第5层 邮箱面板
+            mainPanel.add(initEmailPanel());
+            //第6层 验证码面板
+            mainPanel.add(initCaptchaPanel());
+            //第7层 按钮面板
+            mainPanel.add(initButtonPanel());
+            //第8层 空白面板 占用
+            return mainPanel;
+        }
+
+        private JPanel initAcountPanel(){
+            JPanel panel = new JPanel();
+            panel.setLayout(new GridLayout(1,4,10,0));
+            JLabel label = new JLabel("用户名：");
+            //让label居右
+            label.setHorizontalAlignment(SwingConstants.RIGHT);
+            usernameTextField = new JTextField(15);
+            panel.add(label);
+            panel.add(usernameTextField);
+            panel.add(new JPanel());
+            return panel;
+        }
+
+        private JPanel initPasswordPanel(){
+            JPanel panel = new JPanel();
+            // 设置网格布局，1行4列，水平间距10像素
+            panel.setLayout(new GridLayout(1,4,10,0));
+            JLabel label = new JLabel("密    码：");
+            // 设置标签文本右对齐
+            label.setHorizontalAlignment(SwingConstants.RIGHT);
+            passwordField = new JPasswordField(15);
+            panel.add(label);
+            panel.add(passwordField);
+            // 添加空白面板占位
+            panel.add(new JPanel());
+            return panel;
+        }
+
+        private JPanel initConfirmPasswordPanel(){
+            JPanel panel = new JPanel();
+            panel.setLayout(new GridLayout(1,4,10,0));
+            JLabel label = new JLabel("确认密码：");
+            label.setHorizontalAlignment(SwingConstants.RIGHT);
+            confirmPasswordField = new JPasswordField(15);
+            panel.add(label);
+            panel.add(confirmPasswordField);
+            panel.add(new JPanel());
+            return panel;
+        }
+        private JPanel initCaptchaPanel(){
+            // 创建面板并设置网格布局
+            JPanel panel = new JPanel();
+            panel.setLayout(new GridLayout(1,4,10,0));
+
+            // 创建验证码标签
+            JLabel label = new JLabel("验证码：");
+            label.setHorizontalAlignment(SwingConstants.RIGHT);
+
+            // 创建验证码输入框和验证码显示标签
+            captchaTextField = new JTextField(4);
+            captchaLabel = new JLabel(CaptchaUtils.generateCaptcha());
+
+            // 将组件添加到面板中
+            panel.add(label);
+            panel.add(captchaTextField);
+            panel.add(captchaLabel);
+
+            return panel;
+        }
+
+        private JPanel initEmailPanel(){
+            JPanel panel = new JPanel();
+            panel.setLayout(new GridLayout(1,4,10,0));
+            JLabel label = new JLabel("邮    箱：");
+            label.setHorizontalAlignment(SwingConstants.RIGHT);
+            emailTextField = new JTextField(15);
+            panel.add(label);
+            panel.add(emailTextField);
+            panel.add(new JPanel());
+            return panel;
+        }
+
+        private JPanel initButtonPanel(){
+            JPanel panel = new JPanel();
+            panel.setLayout(new GridLayout(1,4,10,0));
+            registerButton = new JButton("注册");
+            backButton = new JButton("返回");
+            panel.add(new JPanel());
+            panel.add(registerButton);
+            panel.add(backButton);
+            panel.add(new JPanel());
+            return panel;
+        }
+        public static void main(String[] args) {
+            SwingUtilities.invokeLater(() -> {
+                view.RegisterFrame registerFrame = new view.RegisterFrame();
+                registerFrame.setVisible(true);
+            });
+        }
+}