main layout iframe时去除头部

layouts/main.vue

@@ -1,6 +1,6 @@
 <template>
   <div id="main">
-    <header-view></header-view>
+    <header-view v-if="!isInFrame"></header-view>
     <main-header></main-header>
     <main-nav></main-nav>
     <nuxt/>
@@ -20,6 +20,11 @@
       MainHeader,
       MainNav
     },
+    data () {
+      return {
+        isInFrame: false
+      }
+    },
     head () {
       return {
         title: this.title,
@@ -29,6 +34,9 @@
         ]
       }
     },
+    mounted () {
+      this.isInFrame = window.location.href !== parent.location.href
+    },
     computed: {
       title () {
         let path = this.$route.path