优化菜单名称过长悬停显示标题

src/assets/styles/sidebar.scss

@@ -70,7 +70,7 @@
       width: 100% !important;
     }
 
-    .el-menu-item, .el-sub-menu__title {
+    .el-menu-item, .menu-title {
       overflow: hidden !important;
       text-overflow: ellipsis !important;
       white-space: nowrap !important;

src/layout/components/Sidebar/SidebarItem.vue

@@ -4,7 +4,7 @@
       <app-link v-if="onlyOneChild.meta" :to="resolvePath(onlyOneChild.path, onlyOneChild.query)">
         <el-menu-item :index="resolvePath(onlyOneChild.path)" :class="{ 'submenu-title-noDropdown': !isNest }">
           <svg-icon :icon-class="onlyOneChild.meta.icon || (item.meta && item.meta.icon)"/>
-          <template #title>{{ onlyOneChild.meta.title }}</template>
+          <template #title><span class="menu-title" :title="hasTitle(onlyOneChild.meta.title)">{{ onlyOneChild.meta.title }}</span></template>
         </el-menu-item>
       </app-link>
     </template>
@@ -12,7 +12,7 @@
     <el-sub-menu v-else ref="subMenu" :index="resolvePath(item.path)" popper-append-to-body>
       <template v-if="item.meta" #title>
         <svg-icon :icon-class="item.meta && item.meta.icon" />
-        <span>{{ item.meta.title }}</span>
+        <span class="menu-title" :title="hasTitle(item.meta.title)">{{ item.meta.title }}</span>
       </template>
 
       <sidebar-item
@@ -91,4 +91,12 @@ function resolvePath(routePath, routeQuery) {
   }
   return getNormalPath(props.basePath + '/' + routePath)
 }
+
+function hasTitle(title){
+  if (title.length > 5) {
+    return title;
+  } else {
+    return "";
+  }
+}
 </script>