From 0aadca89a7c77106cec67be9e42c0ac223d14a85 Mon Sep 17 00:00:00 2001
From: beppeb <chitu438@163.com>
Date: Wed, 16 Jul 2025 03:27:28 +0000
Subject: [PATCH] =?UTF-8?q?feat:=20=E9=A6=96=E9=A1=B5=E7=99=BB=E5=BD=95?=
 =?UTF-8?q?=E7=8A=B6=E6=80=81=E6=A3=80=E6=B5=8B=E4=B8=8E=E9=80=80=E5=87=BA?=
 =?UTF-8?q?=E5=8A=9F=E8=83=BD?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 js/main.js | 56 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 js/main.js

diff --git a/js/main.js b/js/main.js
new file mode 100644
index 0000000..f417269
--- /dev/null
+++ b/js/main.js
@@ -0,0 +1,56 @@
+/**
+ * 主页JavaScript
+ */
+
+document.addEventListener('DOMContentLoaded', function() {
+    // 检查用户是否已登录
+    checkLoginStatus();
+    
+    // 初始化页面事件
+    initEvents();
+});
+
+/**
+ * 检查用户登录状态
+ */
+function checkLoginStatus() {
+    const isLoggedIn = localStorage.getItem('isLoggedIn');
+    
+    if (!isLoggedIn) {
+        // 如果未登录，重定向到登录页面
+        window.location.href = 'login.html';
+        return;
+    }
+    
+    // 获取并显示用户名
+    const username = localStorage.getItem('username');
+    if (username) {
+        document.getElementById('username').textContent = username;
+    }
+}
+
+/**
+ * 初始化页面事件
+ */
+function initEvents() {
+    // 退出登录
+    const logoutBtn = document.getElementById('logout');
+    if (logoutBtn) {
+        logoutBtn.addEventListener('click', function(e) {
+            e.preventDefault();
+            logout();
+        });
+    }
+}
+
+/**
+ * 退出登录
+ */
+function logout() {
+    // 清除本地存储中的登录信息
+    localStorage.removeItem('isLoggedIn');
+    localStorage.removeItem('username');
+    
+    // 重定向到登录页面
+    window.location.href = 'login.html';
+}
\ No newline at end of file