feat:首页和案例库功能

src/utils/auth-guard.ts

@@ -1,7 +1,9 @@
-import { getAccessToken } from '@/utils/auth-storage'
+import { clearAuthSession, getAccessToken } from '@/utils/auth-storage'
 
 export const LOGIN_PAGE = '/pages/Login/user-login/index'
 
+let redirectingToLogin = false
+
 export function isLoggedIn() {
   return Boolean(getAccessToken())
 }
@@ -14,6 +16,26 @@ export function ensureLoggedIn(showToast = true) {
   if (showToast)
     uni.showToast({ title: '请先登录', icon: 'none' })
 
-  uni.reLaunch({ url: LOGIN_PAGE })
+  redirectToLogin()
   return false
 }
+
+/** 登录态失效（如接口返回 401）时清除会话并跳转登录页 */
+export function handleUnauthorized(message = '登录已过期，请重新登录') {
+  if (redirectingToLogin)
+    return
+
+  redirectingToLogin = true
+  clearAuthSession()
+  uni.showToast({ title: message, icon: 'none' })
+  redirectToLogin()
+}
+
+function redirectToLogin() {
+  uni.reLaunch({
+    url: LOGIN_PAGE,
+    complete: () => {
+      redirectingToLogin = false
+    },
+  })
+}