修改图层切换逻辑

pages/look/look.wxml

@@ -131,7 +131,7 @@
       bindclose="closeVisionDialog" title="图层设置">
       <view class="tab-list1" slot="footer">
         <view class="vision1" data-id="1" bindtap="mapTabItem">
-          <image data-type="reduce" mode="scaleToFill" bindtap="scaleBack" class="vision_img"
+          <image data-type="reduce" mode="scaleToFill" class="vision_img"
             src="../../assets/images/vision2.jpg">
           </image>
           <view class="vision-font">卫星地图</view>
@@ -140,7 +140,7 @@
           </view>
         </view>
         <view class="vision2" data-id="2" bindtap="mapTabItem">
-          <image data-type="reduce" mode="scaleToFill" bindtap="scaleBack" class="vision_img"
+          <image data-type="reduce" mode="scaleToFill" class="vision_img"
             src="../../assets/images/vision1.png">
           </image>
           <view class="vision-font">标准地图</view>
@@ -153,19 +153,15 @@
     <map class="map" enable-satellite="{{satellite==1?true:false}}" scale="{{scale}}" markers="{{markers}}"
       latitude="{{latitude}}" longitude="{{longitude}}" bindmarkertap="markertap" polygons="{{polygons}}"
       circles="{{circles}}" bindregionchange="regionchange" bindtap="onMapTaped" show-location>
-      <cover-image bindtap="changeVision" class="map-scale map-scale-vision" src="../../assets/images/mapVision.png">
+      <cover-image bindtap="changeVision" class="map-scale map-scale-vision" 
+      src="../../assets/images/mapVision.png">
       </cover-image>
       <cover-image data-type="add" bindtap="showLayerSetting" class="map-scale map-scale-layer"
         src="../../assets/images/add.png"></cover-image>
       <cover-image data-type="reduce" bindtap="scaleBack" class="map-scale map-scale-reduce"
         src="../../assets/images/myback.png"></cover-image>
     </map>
-    <!-- <view class="list-foot">
-      <view class="list-item {{item.state?'check-active':''}}" wx:for="{{tabs}}" wx:key="id" data-id="{{item.id}}"
-        bindtap="checkBtn">
-        {{item.name}}
-      </view>
-    </view> -->
+
   </view>
 
 </view>