fix[sidebar]: fixed nest menu and noDropdown item bug

Author: PanJiaChen

src/views/layout/components/Sidebar/SidebarItem.vue

@@ -3,7 +3,7 @@
     <template v-for="item in routes" v-if="!item.hidden&&item.children">
 
       <router-link v-if="item.children.length===1 && !item.children[0].children" :to="item.path+'/'+item.children[0].path" :key="item.children[0].name">
-        <el-menu-item :index="item.path+'/'+item.children[0].path" class='submenu-title-noDropdown'>
+        <el-menu-item :index="item.path+'/'+item.children[0].path" :class="{'submenu-title-noDropdown':!isNest}">
           <svg-icon v-if="item.children[0].meta&&item.children[0].meta.icon" :icon-class="item.children[0].meta.icon"></svg-icon>
           <span v-if="item.children[0].meta&&item.children[0].meta.title">{{generateTitle(item.children[0].meta.title)}}</span>
         </el-menu-item>
@@ -16,7 +16,7 @@
         </template>
 
         <template v-for="child in item.children" v-if="!child.hidden">
-          <sidebar-item class="nest-menu" v-if="child.children&&child.children.length>0" :routes="[child]" :key="child.path"></sidebar-item>
+          <sidebar-item :is-nest="true" class="nest-menu" v-if="child.children&&child.children.length>0" :routes="[child]" :key="child.path"></sidebar-item>
 
           <router-link v-else :to="item.path+'/'+child.path" :key="child.name">
             <el-menu-item :index="item.path+'/'+child.path">
@@ -39,6 +39,10 @@ export default {
   props: {
     routes: {
       type: Array
+    },
+    isNest: {
+      type: Boolean,
+      default: false
     }
   },
   methods: {