jiedui/src/view/RegisterFrame.java

package view;
import controller.AuthController;
import javax.swing.*;
import java.awt.*;

public class RegisterFrame extends JFrame {
    public RegisterFrame(AuthController controller) {
        setTitle("注册");
        setSize(400, 350);
        setLocationRelativeTo(null);
        setDefaultCloseOperation(EXIT_ON_CLOSE);

        // 使用 GridBagLayout 更灵活布局
        JPanel panel = new JPanel(new GridBagLayout());
        panel.setBorder(BorderFactory.createEmptyBorder(20, 20, 20, 20));
        GridBagConstraints gbc = new GridBagConstraints();
        gbc.fill = GridBagConstraints.HORIZONTAL;
        gbc.insets = new Insets(5, 5, 5, 5);

        JTextField emailField = new JTextField();
        JTextField codeField = new JTextField();
        JPasswordField passwordField = new JPasswordField();
        JPasswordField confirmField = new JPasswordField();
        JButton sendCodeBtn = new JButton("发送验证码");
        JButton registerBtn = new JButton("注册");
        JButton backBtn = new JButton("返回");

        // 邮箱行
        gbc.gridx = 0; gbc.gridy = 0;
        panel.add(new JLabel("邮箱:"), gbc);
        gbc.gridx = 1; gbc.gridy = 0; gbc.gridwidth = 2;
        gbc.weightx = 1.0;
        panel.add(emailField, gbc);

        // 验证码行 - 修复布局
        gbc.gridx = 0; gbc.gridy = 1; gbc.gridwidth = 1; gbc.weightx = 0;
        panel.add(new JLabel("验证码:"), gbc);
        gbc.gridx = 1; gbc.gridy = 1; gbc.weightx = 1.0;
        panel.add(codeField, gbc);
        gbc.gridx = 2; gbc.gridy = 1; gbc.weightx = 0;
        gbc.fill = GridBagConstraints.NONE;
        panel.add(sendCodeBtn, gbc);
        gbc.fill = GridBagConstraints.HORIZONTAL; // 恢复填充

        // 密码行
        gbc.gridx = 0; gbc.gridy = 2; gbc.gridwidth = 1; gbc.weightx = 0;
        panel.add(new JLabel("密码:"), gbc);
        gbc.gridx = 1; gbc.gridy = 2; gbc.gridwidth = 2; gbc.weightx = 1.0;
        panel.add(passwordField, gbc);

        // 确认密码行
        gbc.gridx = 0; gbc.gridy = 3; gbc.gridwidth = 1; gbc.weightx = 0;
        panel.add(new JLabel("确认密码:"), gbc);
        gbc.gridx = 1; gbc.gridy = 3; gbc.gridwidth = 2; gbc.weightx = 1.0;
        panel.add(confirmField, gbc);

        // 按钮行 - 添加返回按钮
        JPanel buttonPanel = new JPanel(new FlowLayout());
        buttonPanel.add(registerBtn);
        buttonPanel.add(backBtn);

        gbc.gridx = 0; gbc.gridy = 4; gbc.gridwidth = 3;
        gbc.weightx = 1.0;
        panel.add(buttonPanel, gbc);

        // 发送验证码按钮事件监听器
        sendCodeBtn.addActionListener(e -> {
            String email = emailField.getText().trim();

            if (email.isEmpty()) {
                JOptionPane.showMessageDialog(this, "请输入邮箱地址", "提示", JOptionPane.WARNING_MESSAGE);
                return;
            }

            // 禁用按钮
            sendCodeBtn.setEnabled(false);
            sendCodeBtn.setText("发送中...");

            new Thread(() -> {
                try {
                    String result = controller.register(email);

                    SwingUtilities.invokeLater(() -> {
                        sendCodeBtn.setEnabled(true);
                        sendCodeBtn.setText("发送验证码");

                        if (result != null && !result.startsWith("already") &&
                                !result.startsWith("code") && !result.startsWith("invalid") &&
                                !result.startsWith("send")) {
                            // 成功发送，只显示通用提示
                            JOptionPane.showMessageDialog(this,
                                    "验证码已发送到您的邮箱，请查收",
                                    "发送成功",
                                    JOptionPane.INFORMATION_MESSAGE);
                        } else if (result != null) {
                            // 处理错误情况（根据你的 AuthController 返回值调整）
                            JOptionPane.showMessageDialog(this,
                                    "发送失败，请检查邮箱地址",
                                    "错误",
                                    JOptionPane.ERROR_MESSAGE);
                        } else {
                            JOptionPane.showMessageDialog(this,
                                    "注册失败，请重试",
                                    "错误",
                                    JOptionPane.ERROR_MESSAGE);
                        }
                    });

                } catch (Exception ex) {
                    SwingUtilities.invokeLater(() -> {
                        sendCodeBtn.setEnabled(true);
                        sendCodeBtn.setText("发送验证码");
                        JOptionPane.showMessageDialog(this,
                                "发送验证码时出现错误",
                                "错误",
                                JOptionPane.ERROR_MESSAGE);
                    });
                }
            }).start();
        });

        registerBtn.addActionListener(e -> {
            String email = emailField.getText().trim();
            String code = codeField.getText().trim();
            String password = new String(passwordField.getPassword());
            String confirmPassword = new String(confirmField.getPassword());

            // 输入验证
            if (email.isEmpty() || code.isEmpty() || password.isEmpty()) {
                JOptionPane.showMessageDialog(this, "请填写所有字段", "提示", JOptionPane.WARNING_MESSAGE);
                return;
            }

            if (!password.equals(confirmPassword)) {
                JOptionPane.showMessageDialog(this, "两次输入的密码不一致", "错误", JOptionPane.ERROR_MESSAGE);
                return;
            }

            boolean success = controller.completeRegistration(email, code, password, confirmPassword);
            if (success) {
                JOptionPane.showMessageDialog(this,
                        "注册成功！\n请使用注册的邮箱和密码登录",
                        "注册成功",
                        JOptionPane.INFORMATION_MESSAGE);
                dispose();
                controller.showLogin();
            } else {
                JOptionPane.showMessageDialog(this,
                        "注册失败！\n可能的原因：\n- 验证码错误\n- 密码不符合要求（6-10位，包含大小写字母和数字）\n- 邮箱已被注册",
                        "注册失败",
                        JOptionPane.ERROR_MESSAGE);
            }
        });

        backBtn.addActionListener(e -> {
            dispose();
            controller.showLogin();
        });

        // 添加回车键提交支持
        getRootPane().setDefaultButton(registerBtn);

        add(panel);
        setVisible(true);
    }
}