提交之GitHub

2026-02-08 23:58:00 +08:00
commit b4f25e99b1
43 changed files with 7926 additions and 0 deletions
@@ -0,0 +1,115 @@
+package client.view;
+
+import client.Client;
+import client.service.ChatSender;
+import client.service.LocalData;
+import client.view.login.*;
+import client.view.util.DesignToken;
+import server.serveice.Wrapper;
+
+import javax.swing.*;
+import java.awt.*;
+import java.awt.event.WindowAdapter;
+import java.awt.event.WindowEvent;
+
+/**
+ * 登录页面，用于完成用户账户登录的功能，作为一个独立的页面，登录完成之后将自动关闭，并开启主界面
+ */
+public class LoginPage extends JFrame {
+    private static volatile LoginPage INSTANCE;
+
+    // 获取登录页面实例，使用单例模式确保全局唯一性
+    public static LoginPage get() {
+        if (INSTANCE == null) {
+            synchronized (LoginPage.class) {
+                if (INSTANCE == null) {
+                    INSTANCE = new LoginPage();
+                }
+            }
+        }
+        return INSTANCE;
+    }
+
+    // 交替展示两个窗口，分别用于进行注册和登录操作。
+    private SignInView signInView;
+    private SignUpView signUpView;
+
+    private LoginPage() {
+        setTitle("欢迎来到本地网聊天室！");
+        setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
+        setSize(DesignToken.LOGIN_WIDTH, DesignToken.LOGIN_HEIGHT);
+        setLocationRelativeTo(null);
+
+        addWindowListener(new WindowAdapter() {
+            @Override
+            public void windowClosing(WindowEvent e) {
+                // 如果链接上了，发出退出信息
+                if (Client.isConnected()) {
+                    ChatSender.addMsg(Wrapper.logoutRequest(LocalData.get().getId()));
+                }
+                super.windowClosing(e);
+                // 如果未登录，则直接退出。
+                if (LocalData.get().getId().length() == 0) {
+                    System.exit(0);
+                }
+            }
+        });
+
+        signInView = new SignInView(this);
+        signUpView = new SignUpView(this);
+
+        // 默认为登录
+        exchangeToSignInView();
+    }
+
+    // 更换到注册界面
+    public void exchangeToSignUpView() {
+        this.remove(signInView);
+        this.add(signUpView, BorderLayout.CENTER);
+        this.validate();
+        this.repaint();
+    }
+
+    // 更换到登录界面
+    public void exchangeToSignInView() {
+        this.remove(signUpView);
+        this.add(signInView, BorderLayout.CENTER);
+        this.validate();
+        this.repaint();
+    }
+
+    // 打开主界面，并关闭本界面
+    public void openMainPage() {
+        // 创建新窗口
+        MainPage.get().setVisible(true);
+
+        // 关闭当前窗口
+        this.dispose();
+    }
+
+    public void showMsgDialog(String text) {
+        JDialog inviteDialog = new JDialog(this, "信息", true);
+        inviteDialog.setSize(300, 200);
+        inviteDialog.setLocationRelativeTo(this);
+
+        // 设置对话框内容
+        String htmlText = "<html><body style='width: 210px; padding: 10px;'>" + text + "</body></html>";
+        JLabel label = new JLabel(htmlText, SwingConstants.CENTER);
+        JButton closeBtn = new JButton("确定");
+
+        closeBtn.addActionListener(e -> inviteDialog.dispose());
+
+        JPanel panel = new JPanel(new BorderLayout());
+        JPanel centerPanel = new JPanel(new FlowLayout());
+        centerPanel.add(label);
+
+        panel.add(centerPanel, BorderLayout.CENTER);
+        panel.add(closeBtn, BorderLayout.SOUTH);
+        inviteDialog.add(panel);
+
+        // 显示对话框（会阻塞主窗口交互）
+        inviteDialog.setVisible(true);
+    }
+}
+
+