地图优化

@@ -201,7 +201,6 @@ Page({
         console.log('regionchange.getScale', res, this.data.map.scale)
       },
     })
-
     this.mapCtx.getCenterLocation({
       success:(res)=>{
         console.log('regionchange.getCenterLocation',res)
@@ -218,11 +217,21 @@ Page({
         console.log('regionchange.getRegion',res)
         if(res.southwest.latitude!=this.mapData.region.southwest.latitude) {
           this.mapData.region = res
-          this.getMarkers();
+          this.timeoutGetMarkers();
         }
       },
     })
   },
+  setTimeoutGetMarkers:'',
+  timeoutGetMarkers(){//延时获取
+    if(this.setTimeoutGetMarkers){
+      clearTimeout(this.setTimeoutGetMarkers);
+      this.setTimeoutGetMarkers='';
+    }
+    this.setTimeoutGetMarkers=setTimeout(()=>{
+      this.getMarkers();
+    },1200)
+  },
   mapUpdated(e){
     console.log('mapUpdated', e)
     this.getClassNameFlag=true;
@@ -351,7 +360,7 @@ Page({
       lat: this.user.latitude,
       lng: this.user.longitude,
       offset: 0,
-      rows: 10000,
+      rows: 50,
       distance: 100000,
       map:JSON.stringify({...this.mapData.region,scale:this.mapData.scale})
     }