feat(page-meta): scroll-top 支持 H5 及 App端

packages/uni-cli-shared/components/page-meta.vue

@@ -53,10 +53,10 @@ export default {
     pageStyle: {
       type: String,
       default: ''
-    },
-    enablePullDownRefresh: {
-      type: [Boolean, String],
-      default: false
+    },
+    enablePullDownRefresh: {
+      type: [Boolean, String],
+      default: false
     },
     rootFontSize: {
       type: String,
@@ -81,8 +81,8 @@ export default {
     // 父节点一定是 page
     this.$pageVm.$on('hook:onPageScroll', evt => {
       this.$emit('scroll', evt)
-    })
-
+    })
+
     // #ifdef APP-PLUS
     this._currentWebview = page.$getAppWebview()
     if (this.enablePullDownRefresh) {
@@ -90,7 +90,7 @@ export default {
     }
     this.$watch('enablePullDownRefresh', (val) => {
       this.setPullDownRefresh(this._currentWebview, val)
-    })
+    })
     // #endif
 
     // props
@@ -124,16 +124,18 @@ export default {
       this.setPageMeta()
     }
     this.backgroundTextStyle && this.setBackgroundTextStyle()
+  },
+  mounted () {
     this.scrollTop && this.pageScrollTo()
   },
-  methods: {
-    setPullDownRefresh (webview, enabled) {
-      webview.setStyle({
-        pullToRefresh: {
-          support: enabled,
-          style: plus.os.name === 'Android' ? 'circle' : 'default'
-        }
-      })
+  methods: {
+    setPullDownRefresh (webview, enabled) {
+      webview.setStyle({
+        pullToRefresh: {
+          support: enabled,
+          style: plus.os.name === 'Android' ? 'circle' : 'default'
+        }
+      })
     },
     setPageMeta () {
       // h5 和 app-plus 设置 rootFontSize
@@ -187,4 +189,4 @@ export default {
     }
   }
 }
-</script>
+</script>