flat: 修改地图

components/uMapView/uMapView.vue

@@ -44,6 +44,7 @@
         FeatureService,
         GetFeaturesByGeometryParameters
     } from '@supermap/iclient-ol';
+    const geoJSONParser = new GeoJSON();
     let mypoint = require('@/static/img/mypoint.png');
     export default {
         name: "uMapView",
@@ -197,7 +198,6 @@
                         scale: item.id === 1 ? [0.15, 0.15] : [0.1, 0.1]
                     }
                 }))
-
                 this.careateFeature(features)
 
             },
@@ -228,6 +228,7 @@
                     POP: 1,
                     CAPITAL: 'test'
                 });
+                this.addPointsSource.clear()
                 // 将特征添加到矢量图层
                 this.addPointsSource.addFeature(pointFeature);
                 // 确保更新地图视图以显示新的标点
@@ -243,14 +244,22 @@
             careateFeature(result) {
                 if (this.vectorSourceIcon) {
                     this.vectorSourceIcon.clear()
+                    const geojsonObject = {
+                        type: 'FeatureCollection',
+                        features: result,
+                    };
+                    this.vectorSourceIcon.addFeatures(geoJSONParser.readFeatures(geojsonObject))
+                    this.vectorSourceIcon.changed()
+                    return
                 }
+
                 const geojsonObject = {
                     type: 'FeatureCollection',
                     features: result,
                 };
                 // 创建一个图层作为点位
                 this.vectorSourceIcon = new SourceVector({
-                    features: new GeoJSON().readFeatures(geojsonObject)
+                    features: geoJSONParser.readFeatures(geojsonObject)
                 });
                 this.vectorLayerIcon = new LayerVector({
                     source: this.vectorSourceIcon,
@@ -280,6 +289,7 @@
                     }
                 });
                 this.map.addLayer(this.vectorLayerIcon);
+                // 添加事件
                 this.selectInteraction = new Select({
                     layers: [this.vectorLayerIcon]
                 });