perf: layout显示用户信息优化

src/layout/components/navbar.vue

@@ -24,6 +24,7 @@ const {
   toggleSideBar,
   pureApp,
   username,
+  avatarsStyle,
   getDropdownItemStyle
 } = useNav();
 
@@ -93,8 +94,8 @@ function translationEn() {
       <!-- 退出登陆 -->
       <el-dropdown trigger="click">
         <span class="el-dropdown-link">
-          <img :src="avatars" />
-          <p>{{ username }}</p>
+          <img v-if="avatars" :src="avatars" :style="avatarsStyle" />
+          <p v-if="username">{{ username }}</p>
         </span>
         <template #dropdown>
           <el-dropdown-menu class="logout">
@@ -169,7 +170,6 @@ function translationEn() {
     }
 
     .el-dropdown-link {
-      width: 100px;
       height: 48px;
       padding: 10px;
       display: flex;

src/layout/components/sidebar/horizontal.vue

@@ -30,6 +30,7 @@ const {
   handleResize,
   menuSelect,
   username,
+  avatarsStyle,
   getDropdownItemStyle
 } = useNav();
 
@@ -114,8 +115,8 @@ function translationEn() {
       <!-- 退出登陆 -->
       <el-dropdown trigger="click">
         <span class="el-dropdown-link">
-          <img :src="avatars" />
-          <p>{{ username }}</p>
+          <img v-if="avatars" :src="avatars" :style="avatarsStyle" />
+          <p v-if="username">{{ username }}</p>
         </span>
         <template #dropdown>
           <el-dropdown-menu class="logout">

src/layout/components/sidebar/mixNav.vue

@@ -33,6 +33,7 @@ const {
   resolvePath,
   pureApp,
   username,
+  avatarsStyle,
   getDropdownItemStyle
 } = useNav();
 
@@ -166,8 +167,8 @@ function translationEn() {
       <!-- 退出登陆 -->
       <el-dropdown trigger="click">
         <span class="el-dropdown-link">
-          <img :src="avatars" />
-          <p>{{ username }}</p>
+          <img v-if="avatars" :src="avatars" :style="avatarsStyle" />
+          <p v-if="username">{{ username }}</p>
         </span>
         <template #dropdown>
           <el-dropdown-menu class="logout">

src/layout/hooks/nav.ts

@@ -26,6 +26,10 @@ export function useNav() {
     };
   });
 
+  const avatarsStyle = computed(() => {
+    return username ? { marginRight: "10px" } : "";
+  });
+
   const isCollapse = computed(() => {
     return !pureApp.getSidebarStatus;
   });
@@ -117,6 +121,7 @@ export function useNav() {
     isCollapse,
     pureApp,
     username,
+    avatarsStyle,
     getDropdownItemStyle
   };
 }