feat(user): 优化用户权限管理与扫码功能

- 添加 isAdmin 状态检查逻辑支持多种数据类型 (true/1/'1')
- 实现统一扫码按钮的管理员权限控制，仅管理员可查看
- 集成 saveStorageByLoginUser 工具函数统一处理登录用户信息存储
- 优化扫码取消操作的错误处理，区分用户主动取消与实际错误
- 同步本地存储中的用户信息以便其他钩子读取管理员标识

src/hooks/useUnifiedQRScan.ts

@@ -271,7 +271,14 @@ export function useUnifiedQRScan() {
             }
           },
           fail: (err) => {
-            reject(new Error(err.errMsg || '扫码失败'));
+            const msg = (err as any)?.errMsg || '';
+            // `scanCode:fail cancel` is a user-driven cancel; don't treat it as an error toast.
+            if (typeof msg === 'string' && msg.toLowerCase().includes('cancel')) {
+              cancelRef.current = true;
+              reject(new Error('取消扫码'));
+              return;
+            }
+            reject(new Error(msg || '扫码失败'));
           }
         });
       });
@@ -323,6 +330,11 @@ export function useUnifiedQRScan() {
       return result;
 
     } catch (err: any) {
+      // User cancelled scanning (e.g. `scanCode:fail cancel`).
+      if (cancelRef.current) {
+        reset();
+        return null;
+      }
       if (!cancelRef.current) {
         setState(UnifiedScanState.ERROR);
         const errorMessage = err.message || '处理失败';

src/hooks/useUser.ts

@@ -280,11 +280,14 @@ export const useUser = () => {
 
   // 检查用户是否是管理员
   const isAdmin = () => {
-    return user?.isAdmin === true;
+    // Some backends use `1/0` (or `1/2`) instead of boolean.
+    const v: any = (user as any)?.isAdmin;
+    return v === true || v === 1 || v === '1';
   };
 
   const isSuperAdmin = () => {
-    return user?.isSuperAdmin === true;
+    const v: any = (user as any)?.isSuperAdmin;
+    return v === true || v === 1 || v === '1';
   };
 
   // 获取用户余额

src/pages/user/components/UserCard.tsx

@@ -13,15 +13,20 @@ import UnifiedQRButton from "@/components/UnifiedQRButton";
 import {useThemeStyles} from "@/hooks/useTheme";
 import {getRootDomain} from "@/utils/domain";
 import { getMyGltUserTicketTotal } from '@/api/glt/gltUserTicket'
+import { saveStorageByLoginUser } from '@/utils/server'
 
 const UserCard = forwardRef<any, any>((_, ref) => {
   const {data, refresh} = useUserData()
-  const {getDisplayName} = useUser();
+  const {getDisplayName, isAdmin} = useUser();
   const [IsLogin, setIsLogin] = useState<boolean>(false)
   const [userInfo, setUserInfo] = useState<User>()
   const [ticketTotal, setTicketTotal] = useState<number>(0)
 
   const themeStyles = useThemeStyles();
+  const canShowScanButton = (() => {
+    const v: any = (userInfo as any)?.isAdmin
+    return isAdmin() || v === true || v === 1 || v === '1'
+  })()
 
   // 角色名称：优先取用户 roles 数组的第一个角色名称
   const getRoleName = () => {
@@ -96,6 +101,8 @@ const UserCard = forwardRef<any, any>((_, ref) => {
           if (data) {
             setUserInfo(data)
             setIsLogin(true);
+            // Keep local storage user info in sync so other hooks (e.g. unified scan) can read admin flags.
+            Taro.setStorageSync('User', data)
             Taro.setStorageSync('UserId', data.userId)
             // 登录态已就绪后刷新卡片统计（余额/积分/券/水票）
             refresh().then()
@@ -193,8 +200,7 @@ const UserCard = forwardRef<any, any>((_, ref) => {
                 return false;
               }
               // 登录成功
-              Taro.setStorageSync('access_token', res.data.data.access_token)
-              Taro.setStorageSync('UserId', res.data.data.user.userId)
+              saveStorageByLoginUser(res.data.data.access_token, res.data.data.user)
               setUserInfo(res.data.data.user)
               setIsLogin(true)
               // 登录态已就绪后刷新卡片统计（余额/积分/券/水票）
@@ -249,11 +255,12 @@ const UserCard = forwardRef<any, any>((_, ref) => {
                   </Button>
                 )}
               </View>
+              {/*统一扫码入口 - 仅管理员可见*/}
+              {canShowScanButton && (
                 <Space style={{
                   marginTop: '30px',
                   marginRight: '10px'
                 }}>
-                {/*统一扫码入口 - 支持登录和核销*/}
                   <UnifiedQRButton
                     text="扫一扫"
                     size="small"
@@ -290,6 +297,7 @@ const UserCard = forwardRef<any, any>((_, ref) => {
                     }}
                   />
                 </Space>
+              )}
             </View>
             <View className={'py-2'}>
               <View className={'flex justify-around mt-1'}>