feat[Menu]: menu icon support el-icon

src/layout/components/Sidebar/Item.vue

@@ -17,7 +17,11 @@ export default {
     const vnodes = []
 
     if (icon) {
-      vnodes.push(<svg-icon icon-class={icon}/>)
+      if (icon.includes('el-icon')) {
+        vnodes.push(<i class={[icon, 'sub-el-icon']} />)
+      } else {
+        vnodes.push(<svg-icon icon-class={icon}/>)
+      }
     }
 
     if (title) {
@@ -27,3 +31,11 @@ export default {
   }
 }
 </script>
+
+<style scoped>
+.sub-el-icon {
+  color: currentColor;
+  width: 1em;
+  height: 1em;
+}
+</style>

src/router/index.js

@@ -19,7 +19,7 @@ import Layout from '@/layout'
  * meta : {
     roles: ['admin','editor']    control the page roles (you can set multiple roles)
     title: 'title'               the name show in sidebar and breadcrumb (recommend set)
-    icon: 'svg-name'             the icon show in the sidebar
+    icon: 'svg-name'/'el-icon-x' the icon show in the sidebar
     breadcrumb: false            if set false, the item will hidden in breadcrumb(default is true)
     activeMenu: '/example/list'  if set path, the sidebar will highlight the path you set
   }
@@ -60,7 +60,7 @@ export const constantRoutes = [
     component: Layout,
     redirect: '/example/table',
     name: 'Example',
-    meta: { title: 'Example', icon: 'example' },
+    meta: { title: 'Example', icon: 'el-icon-s-help' },
     children: [
       {
         path: 'table',

src/styles/sidebar.scss

@@ -57,6 +57,11 @@
       margin-right: 16px;
     }
 
+    .sub-el-icon {
+      margin-right: 12px;
+      margin-left: -2px;
+    }
+
     .el-menu {
       border: none;
       height: 100%;
@@ -105,6 +110,10 @@
         .svg-icon {
           margin-left: 20px;
         }
+
+        .sub-el-icon {
+          margin-left: 19px;
+        }
       }
     }
 
@@ -118,6 +127,10 @@
           margin-left: 20px;
         }
 
+        .sub-el-icon {
+          margin-left: 19px;
+        }
+
         .el-submenu__icon-arrow {
           display: none;
         }
@@ -178,6 +191,10 @@
     .svg-icon {
       margin-right: 16px;
     }
+    .sub-el-icon {
+      margin-right: 12px;
+      margin-left: -2px;
+    }
   }
 
   .nest-menu .el-submenu>.el-submenu__title,