web-view: 调整部分功能仅支持app

pages/component/web-view/web-view.uvue

@@ -3,6 +3,7 @@
     <web-view id="web-view" class="uni-flex-item" :src="src" :webview-styles="webview_styles" @message="message"
       @error="error" @loading="loading" @load="load" @download="download">
     </web-view>
+    <!-- #ifdef APP -->
     <view class="uni-padding-wrap uni-common-mt">
       <view class="uni-input-v">
         <input class="uni-input" confirmType="go" placeholder="输入网址跳转" @confirm="confirm" />
@@ -19,6 +20,7 @@
         <button type="primary" @click="nativeToWeb">原生和Web通信</button>
       </view>
     </view>
+    <!-- #endif -->
   </view>
 </template>