修复存在的bug

src/widgets/AddHiddenDanger/Widget.ts

@@ -30,6 +30,7 @@ class AddHiddenDanger extends BaseWidget {
     resultTotal:Array<object>;
     hiddenDangerInfo:any;
     deviceTotal:Array<object>;
+    iconGrapicLayer:GraphicsLayer;
     startup(){
         // 图层加载
         this.setHtml(_.template(this.template)({
@@ -45,7 +46,8 @@ class AddHiddenDanger extends BaseWidget {
             this.map.setMapCursor('default');
             this.mapClickView.remove();
         }
-        this.map.graphics.clear();
+        this.iconGrapicLayer.clear();
+        this.map.removeLayer(this.iconGrapicLayer);
         this.domObj.remove();
         this.afterDestroy();
     }
@@ -70,6 +72,8 @@ class AddHiddenDanger extends BaseWidget {
         this.getHiddenDangerType(this.pageNumbers);
         this.getDeviceType(this.pageNumbers);
         this.showDate();
+        this.iconGrapicLayer = new GraphicsLayer();
+        this.map.addLayer(this.iconGrapicLayer);
     }
     /**
      * (方法说明)初始化点击事件
@@ -96,7 +100,7 @@ class AddHiddenDanger extends BaseWidget {
      *（方法说明）提交隐患点
      */
     toCommiteData(){
-        //封装隐患
+        // 封装隐患
         if((typeof this.mapClickView)!='undefined'){
             this.getAllDataInForm();
             this.sendDataToServe();
@@ -119,7 +123,7 @@ class AddHiddenDanger extends BaseWidget {
             success: function(event){
                this.commiteHiddenDanger.text('提交成功');
                this.commiteHiddenDanger.attr('disabled','disabled');
-            },
+            }.bind(this),
             error: function (data) {
                 this.toast.Show("服务端ajax出错，获取数据失败!");
             }.bind(this),
@@ -158,6 +162,7 @@ class AddHiddenDanger extends BaseWidget {
             this.points = event.mapPoint;
             $('.hiddenDanger-location_x').val(this.points.x.toFixed(4));
             $('.hiddenDanger-location_y').val(this.points.y.toFixed(4));
+            this.iconGrapicLayer.clear();
             this.drawPictureInMap();
         }.bind(this));
     }
@@ -178,7 +183,8 @@ class AddHiddenDanger extends BaseWidget {
     drawPictureInMap(){
         this.map.graphics.clear();
         var picSymbol = new PictureMarkerSymbol("widgets/AddHiddenDanger/images/poi-leak.png", 30, 36).setOffset(0, 18);
-        this.map.graphics.add(new Graphic(this.points,picSymbol));
+        this.iconGrapicLayer.add(new Graphic(this.points,picSymbol));
+        // this.map.graphics.add(new Graphic(this.points,picSymbol));
     }