完成主菜单大部分功能

data/users.json

@@ -1,9 +1,9 @@
 [ {
   "username" : "小鱼",
   "email" : "1280556515@qq.com",
-  "passwordHash" : "$2a$12$fAWGM2CJSSiulyFbDWyRyefrBWr9emYrMdkD.Rw2LPKFaYQeYYW9K",
-  "registrationDate" : [ 2025, 10, 8, 21, 0, 37, 863490500 ],
-  "verificationCode" : "926911",
+  "passwordHash" : "$2a$12$CsCIbkduy54ow1QwQDN0M.lJTf8jteN9n/Z3FrMklm.I5b/JmcUwG",
+  "registrationDate" : [ 2025, 10, 10, 11, 7, 5, 853200500 ],
+  "verificationCode" : "737858",
   "verified" : true,
-  "type" : "小学"
+  "type" : "高中"
 } ]

src/main/java/mathlearning/model/User.java

@@ -13,7 +13,7 @@ public class User {
     private boolean verified;
     private String type;
 
-    public User() {}
+    public User( ) {}
 
     public User(String email, String passwordHash, String verificationCode) {
         this.email = email;

src/main/java/mathlearning/service/UserService.java

@@ -226,6 +226,16 @@ public class UserService {
         return user != null && user.isVerified();
     }
 
+    public boolean updateUsername(String email, String newUsername) {
+        User user = users.get(email);
+        if (user == null) {
+            return false;
+        }
+        user.setUsername(newUsername);
+        saveUsers();
+        return true;
+    }
+
     public boolean isValidEmail(String email) {
         return email.matches("^[A-Za-z0-9+_.-]+@(.+)$");
     }

src/main/java/mathlearning/ui/MainFrame.java

@@ -14,6 +14,8 @@ public class MainFrame extends JFrame {
     private UserService userService;
     private JLabel welcomeLabel;
     private JLabel typeLabel;
+    private JButton changeTypeButton;
+    private JPanel mainPanel;
 
     public MainFrame(User user, UserService userService) {
         this.currentUser = user;
@@ -30,7 +32,7 @@ public class MainFrame extends JFrame {
 
         // 主面板
         JPanel titlePanel = new JPanel(new BorderLayout());
-        JPanel mainPanel = new JPanel(new BorderLayout(10, 10));
+        mainPanel = new JPanel(new BorderLayout(10, 10));
         mainPanel.setBorder(BorderFactory.createEmptyBorder(20, 20, 20, 20));
 
         // 欢迎用户与type信息
@@ -49,7 +51,7 @@ public class MainFrame extends JFrame {
         JPanel centerButtonPanel = new JPanel(new GridLayout(2, 1, 15, 15));
         centerButtonPanel.setBorder(BorderFactory.createEmptyBorder(30, 50, 30, 50));
         // 切换教育阶段按钮
-        JButton changeTypeButton = new JButton("切换教育阶段");
+        changeTypeButton = new JButton("切换教育阶段");
         changeTypeButton.setFont(new Font("微软雅黑", Font.BOLD, 18));
         changeTypeButton.setBackground(new Color(70, 130, 180));
         changeTypeButton.setForeground(Color.WHITE);
@@ -120,7 +122,15 @@ public class MainFrame extends JFrame {
         public void actionPerformed(ActionEvent e) {
             int result = JOptionPane.showConfirmDialog(MainFrame.this, "确定要退出登陆吗？", "退出登录", JOptionPane.YES_NO_OPTION);
 
-            if (result == JOptionPane.YES_OPTION) {
+            if (result == JOptionPane.YES_OPTION) {// 为按钮添加边框和圆角效果
+                changeTypeButton.setBorder(BorderFactory.createCompoundBorder(
+                        BorderFactory.createLineBorder(new Color(50, 100, 150), 1),
+                        BorderFactory.createEmptyBorder(10, 20, 10, 20)));
+                changeTypeButton.setFocusPainted(false); // 去除焦点边框
+
+                // 为主面板添加渐变背景
+                mainPanel.setBackground(new Color(245, 245, 245));
+
                 LoginFrame loginFrame = new LoginFrame(userService);
                 loginFrame.setVisible(true);
                 dispose();
@@ -131,7 +141,9 @@ public class MainFrame extends JFrame {
     private class ProfileListener implements ActionListener {
         @Override
         public void actionPerformed(ActionEvent e) {
-
+            ProfileFrame profileFrame = new ProfileFrame(currentUser, userService);
+            profileFrame.setVisible(true);
+            dispose();
         }
     }
 }

src/main/java/mathlearning/ui/ProfileFrame.java

@@ -0,0 +1,121 @@
+package mathlearning.ui;
+
+import mathlearning.model.User;
+import mathlearning.service.UserService;
+
+import javax.swing.*;
+import java.awt.*;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+
+public class ProfileFrame extends JFrame {
+    private User user;
+    private UserService userService;
+    private JPanel mainPanel;
+    private JLabel usernameValue;
+
+    public ProfileFrame(User user, UserService userService) {
+        this.user = user;
+        this.userService = userService;
+        InitUI();
+    }
+
+    private void InitUI() {
+        setTitle("个人资料");
+        setSize(400, 300);
+        setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
+        setLocationRelativeTo(null);
+        setResizable(false);
+
+        // 创建主面板
+        mainPanel = new JPanel(new BorderLayout(10, 10));
+        mainPanel.setBorder(BorderFactory.createEmptyBorder(20, 20, 20, 20));
+
+        //标题
+        JLabel titleLabel = new JLabel("个人资料", JLabel.CENTER);
+        titleLabel.setFont(new Font("微软雅黑", Font.BOLD, 24));
+        mainPanel.add(titleLabel, BorderLayout.NORTH);
+
+        //个人信息(表单)
+        JPanel infoPanel = new JPanel(new GridLayout(3, 2, 10, 10));
+        JLabel usernameLabel = new JLabel("用户名：");
+        usernameLabel.setFont(new Font("微软雅黑", Font.PLAIN, 14));
+        usernameValue = new JLabel(user.getUsername());
+        usernameLabel.setFont(new Font("微软雅黑", Font.PLAIN, 14));
+        infoPanel.add(usernameLabel);
+        infoPanel.add(usernameValue);
+        JLabel mailLabel = new JLabel("QQ邮箱：");
+        mailLabel.setFont(new Font("微软雅黑", Font.PLAIN, 14));
+        JLabel mailValue = new JLabel(user.getEmail());
+        infoPanel.add(mailLabel);
+        infoPanel.add(mailValue);
+        mainPanel.add(infoPanel, BorderLayout.CENTER);
+
+        //三个按钮
+        JPanel buttonPanel = new JPanel(new FlowLayout());
+        JButton returnToMainButton = new JButton("返回");
+        returnToMainButton.addActionListener(new returnToMainButtonListener());
+
+        JButton changePasswordButton = new JButton("修改密码");
+        changePasswordButton.addActionListener(e -> openChangePasswordFrame());
+
+        JButton changeUsernameButton = new JButton("更改用户名");
+        changeUsernameButton.addActionListener(new ChangeUsernameButtonListener());
+
+        buttonPanel.add(returnToMainButton);
+        buttonPanel.add(changePasswordButton);
+        buttonPanel.add(changeUsernameButton);
+
+        mainPanel.add(buttonPanel, BorderLayout.SOUTH);
+
+        add(mainPanel);
+    }
+
+    private class returnToMainButtonListener implements ActionListener {
+        @Override
+        public void actionPerformed(ActionEvent e) {
+            MainFrame mainFrame = new MainFrame(user, userService);
+            mainFrame.setVisible(true);
+            dispose();
+        }
+    }
+
+    private void openChangePasswordFrame() {
+
+    }
+
+    private class ChangeUsernameButtonListener implements ActionListener {
+        @Override
+        public void actionPerformed(ActionEvent e ) {
+            String newUsername = JOptionPane.showInputDialog(ProfileFrame.this, "请输入您的新用户名：", "修改用户名", JOptionPane.QUESTION_MESSAGE);
+
+            if (newUsername == null ) {
+                return;
+            }
+
+            newUsername = newUsername.trim();
+            if (newUsername.isEmpty()) {
+                JOptionPane.showMessageDialog( ProfileFrame.this, "用户名不能为空！", "错误", JOptionPane.ERROR_MESSAGE);
+                return;
+            }
+            if (newUsername.equals(user.getUsername())) {
+                JOptionPane.showMessageDialog( ProfileFrame.this, "新用户名与原用户名相同！", "提示", JOptionPane.ERROR_MESSAGE);
+                return;
+            }
+            int confirm = JOptionPane.showConfirmDialog(ProfileFrame.this,"确定要修改用户名为\"" + newUsername + "\"吗？", "修改用户名", JOptionPane.YES_NO_OPTION);
+            if (confirm == JOptionPane.YES_OPTION) {
+                String oldUsername = user.getUsername();
+
+                boolean updated = userService.updateUsername(user.getEmail(), newUsername);
+                if (updated) {
+                    usernameValue.setText(newUsername);
+                    JOptionPane.showMessageDialog(ProfileFrame.this, "修改成功！", "成功", JOptionPane.INFORMATION_MESSAGE);
+                }
+                else {
+                    user.setUsername(oldUsername);
+                    JOptionPane.showMessageDialog(ProfileFrame.this, "修改失败！", "错误", JOptionPane.ERROR_MESSAGE);
+                }
+            }
+        }
+    }
+}