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105 lines
3.1 KiB
105 lines
3.1 KiB
package view;
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import controller.MainController;
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import javax.swing.*;
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import java.awt.*;
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public class MainFrame extends JFrame {
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private MainController controller;
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public MainFrame(MainController controller) {
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this.controller = controller;
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initializeWindow();
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createComponents();
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setVisible(true);
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}
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private void initializeWindow() {
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setTitle("数学学习系统 - 主界面");
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setSize(300, 250);
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setLocationRelativeTo(null);
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setDefaultCloseOperation(EXIT_ON_CLOSE);
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setResizable(false);
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}
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private void createComponents() {
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JPanel panel = new JPanel(new GridLayout(5, 1, 10, 10));
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panel.setBorder(BorderFactory.createEmptyBorder(20, 20, 20, 20));
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JLabel titleLabel = new JLabel("选择考试难度", JLabel.CENTER);
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titleLabel.setFont(new Font("微软雅黑", Font.BOLD, 16));
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JButton primaryBtn = new JButton("小学");
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JButton middleBtn = new JButton("初中");
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JButton highBtn = new JButton("高中");
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JButton logoutBtn = new JButton("退出登录");
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// 设置按钮字体
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Font buttonFont = new Font("微软雅黑", Font.PLAIN, 14);
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primaryBtn.setFont(buttonFont);
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middleBtn.setFont(buttonFont);
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highBtn.setFont(buttonFont);
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logoutBtn.setFont(buttonFont);
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// 设置按钮颜色
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primaryBtn.setBackground(new Color(173, 216, 230)); // 浅蓝色
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middleBtn.setBackground(new Color(144, 238, 144)); // 浅绿色
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highBtn.setBackground(new Color(255, 182, 193)); // 浅粉色
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logoutBtn.setBackground(new Color(240, 240, 240)); // 浅灰色
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// 按钮事件监听
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primaryBtn.addActionListener(e -> {
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setVisible(false); // 隐藏主界面
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controller.startExam("小学");
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});
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middleBtn.addActionListener(e -> {
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setVisible(false); // 隐藏主界面
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controller.startExam("初中");
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});
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highBtn.addActionListener(e -> {
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setVisible(false); // 隐藏主界面
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controller.startExam("高中");
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});
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logoutBtn.addActionListener(e -> {
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int result = JOptionPane.showConfirmDialog(
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this,
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"确定要退出登录吗？",
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"确认退出",
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JOptionPane.YES_NO_OPTION,
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JOptionPane.QUESTION_MESSAGE
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);
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if (result == JOptionPane.YES_OPTION) {
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controller.logout();
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}
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});
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// 添加组件到面板
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panel.add(titleLabel);
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panel.add(primaryBtn);
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panel.add(middleBtn);
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panel.add(highBtn);
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panel.add(logoutBtn);
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add(panel);
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}
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/**
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* 显示主界面（用于从考试界面返回时调用）
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*/
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public void showFrame() {
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setVisible(true);
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toFront(); // 确保窗口在前台
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requestFocus(); // 请求焦点
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}
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/**
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* 重写 dispose 方法，确保程序正确退出
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*/
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@Override
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public void dispose() {
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super.dispose();
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}
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} |