修正了切换角色功能

src/stores/user.ts

@@ -1,14 +1,14 @@
 import { defineStore } from 'pinia'
 import { ref, computed } from 'vue'
 import type { UserInfo, MenuItem } from '@/types/api'
-import { getCurrentUser, getUserRoles, switchRole as apiSwitchRole, login as apiLogin, logout as apiLogout, type LoginParams } from '@/api/auth'
+import { getCurrentUser, getUserRoles, switchRole as apiSwitchRole, login as apiLogin, logout as apiLogout, type LoginParams, type RoleItem } from '@/api/auth'
 import { getMenuList } from '@/api/menu'
 
 /** 用户状态管理：当前登录用户、角色、菜单、权限 */
 export const useUserStore = defineStore('user', () => {
   // === 状态 ===
   const userInfo = ref<UserInfo | null>(null)
-  const roles = ref<string[]>([])
+  const roles = ref<RoleItem[]>([])
   const menus = ref<MenuItem[]>([])
   const token = ref<string>('')
   const loading = ref(false)
@@ -23,9 +23,10 @@ export const useUserStore = defineStore('user', () => {
     try {
       const raw = localStorage.getItem(CACHE_KEY)
       if (!raw) return
-      const cached = JSON.parse(raw) as { userInfo?: UserInfo | null; menus?: MenuItem[] | null }
+      const cached = JSON.parse(raw) as { userInfo?: UserInfo | null; menus?: MenuItem[] | null; roles?: RoleItem[] | null }
       if (cached.userInfo) userInfo.value = cached.userInfo
       if (cached.menus) menus.value = cached.menus
+      if (cached.roles?.length) roles.value = cached.roles
     } catch {
       // 缓存损坏：清除避免反复解析失败
       localStorage.removeItem(CACHE_KEY)
@@ -37,7 +38,7 @@ export const useUserStore = defineStore('user', () => {
     try {
       localStorage.setItem(
         CACHE_KEY,
-        JSON.stringify({ userInfo: userInfo.value, menus: menus.value }),
+        JSON.stringify({ userInfo: userInfo.value, menus: menus.value, roles: roles.value }),
       )
     } catch {
       // 写入失败（隐私模式/配额满）：忽略，不影响功能
@@ -76,6 +77,7 @@ export const useUserStore = defineStore('user', () => {
       await apiLogin(params)
       await fetchUserInfo()
       await fetchMenus()
+      await fetchRoles()
     } finally {
       loading.value = false
     }
@@ -125,15 +127,18 @@ export const useUserStore = defineStore('user', () => {
   }
 
   /** 获取角色列表 */
-  async function fetchRoles(): Promise<string[]> {
+  async function fetchRoles(): Promise<RoleItem[]> {
     const list = await getUserRoles()
     roles.value = list
+    saveToCache()
     return list
   }
 
   /** 切换当前角色（身份切换） */
-  async function switchRole(role: string): Promise<void> {
-    await apiSwitchRole(role)
+  async function switchRole(role: RoleItem | string): Promise<void> {
+    // 传对象时取 RoleName（后端 SwitchRole 期望角色名）
+    const roleName = typeof role === 'string' ? role : role.RoleName
+    await apiSwitchRole(roleName)
     // 刷新用户信息和菜单（不同角色可能有不同菜单权限）
     await fetchUserInfo()
     await fetchMenus()