修复 页面 闪动

src/components/Auth/index.tsx

@@ -2,45 +2,88 @@ import React, { useEffect, useState } from "react";
 import { View } from "@tarojs/components";
 import Taro from "@tarojs/taro";
 import { getCurrentFullPath } from '@/utils';
-import { check_login_status } from "@/services/loginService";
+import { check_login_status, clear_login_state } from "@/services/loginService";
 
 export default function withAuth<P extends object>(
   WrappedComponent: React.ComponentType<P>,
 ) {
   const ComponentWithAuth: React.FC<P> = (props: P) => {
-    const [authed, setAuthed] = useState(false);
-    useEffect(() => {
-      const is_login = check_login_status();
-      setAuthed(is_login);
+    const [authed, setAuthed] = useState<boolean | null>(null); // null表示未检查
+    const [isChecking, setIsChecking] = useState(true);
 
-      // if (!is_login) {
-      //   const currentPage = getCurrentFullPath();
-      //   Taro.redirectTo({
-      //     url: `/login_pages/index/index${
-      //       currentPage ? `?redirect=${encodeURIComponent(currentPage)}` : ""
-      //     }`,
-      //   });
-      // }
+    useEffect(() => {
+      const checkAuth = async () => {
+        setIsChecking(true);
+        try {
+          const is_login = check_login_status();
+          
+          if (!is_login) {
+            // 未登录，清除可能过期的状态
+            clear_login_state();
+            const currentPage = getCurrentFullPath();
+            // 跳转到登录页，并保存当前页面路径用于登录后跳转
+            (Taro as any).redirectTo({
+              url: `/login_pages/index/index${
+                currentPage ? `?redirect=${encodeURIComponent(currentPage)}` : ""
+              }`,
+            });
+            setAuthed(false);
+            return;
+          }
+          
+          setAuthed(true);
+        } catch (error) {
+          console.error('检查登录状态失败:', error);
+          clear_login_state();
+          (Taro as any).redirectTo({ url: '/login_pages/index/index' });
+          setAuthed(false);
+        } finally {
+          setIsChecking(false);
+        }
+      };
+
+      checkAuth();
     }, []);
 
-    // if (!authed) {
-    //   return (
-    //     <View
-    //       style={{
-    //         width: "100vh",
-    //         height: "100vw",
-    //         backgroundColor: "white",
-    //         position: "fixed",
-    //         top: 0,
-    //         left: 0,
-    //         zIndex: 999,
-    //       }}
-    //     />
-    //   ); // 空壳，避免 children 渲染出错
-    // }
+    // 正在检查登录状态，显示空白页面避免闪烁
+    if (isChecking || authed === null) {
+      return (
+        <View
+          style={{
+            width: "100vw",
+            height: "100vh",
+            backgroundColor: "#fff",
+            position: "fixed",
+            top: 0,
+            left: 0,
+            zIndex: 999,
+          }}
+        />
+      );
+    }
 
+    // 未登录，显示空白页面（已跳转，这里只是防止渲染）
+    if (!authed) {
+      return (
+        <View
+          style={{
+            width: "100vw",
+            height: "100vh",
+            backgroundColor: "#fff",
+            position: "fixed",
+            top: 0,
+            left: 0,
+            zIndex: 999,
+          }}
+        />
+      );
+    }
+
+    // 已登录，正常渲染组件
     return <WrappedComponent {...props} />;
   };
 
+  ComponentWithAuth.displayName = `withAuth(${WrappedComponent.displayName || WrappedComponent.name || 'Component'})`;
+
   return ComponentWithAuth;
 }