判断是否是老师，是老师添加后台管理

src/views/site/common/header.vue

@@ -30,7 +30,7 @@
         </span>
         <template #overlay>
           <a-menu>
-            <a-menu-item>
+            <a-menu-item  v-if="getUserSf()=='T'">
               <!-- <a href="javascript:;">后台管理</a> -->
               <RouterLink to="/dashboard/analysis">后台管理</RouterLink>
             </a-menu-item>
@@ -49,6 +49,7 @@
   import { DownOutlined, ArrowUpOutlined } from '@ant-design/icons-vue';
   import { useUserStore } from '/@/store/modules/user';
   import YjfkModal from '/@/views/site/yjfk/YjfkModal.vue';
+  import { getUserSf } from '/@/views/site/utils/index';
 
   const props = defineProps({
     showRightButton: { type: Boolean, default: false }