Method updateFeaturesToMap

src/openlayers/mapping/WebMap.js:3019–3061

* @private * @function WebMap.prototype.updateFeaturesToMap * @description 更新地图上的feature,适用于专题图 * @param {Object} layerInfo - 图层信息 * @param {number} index 图层的顺序

(layerInfo, layerIndex)

   * @param {number} index 图层的顺序
   */
  updateFeaturesToMap(layerInfo, layerIndex) {
    let that = this,
      dataSource = layerInfo.dataSource,
      url = layerInfo.dataSource.url,
      dataSourceName = dataSource.dataSourceName || layerInfo.name;

    if (dataSource.type === 'USER_DATA' || dataSource.accessType === 'DIRECT') {
      that.addGeojsonFromUrl(layerInfo, null, layerIndex);
    } else {
      let requestUrl = that.formatUrlWithCredential(url),
        serviceOptions = {};
      serviceOptions.withCredentials = that.isCredentail(requestUrl);
      if (
        that.isAddProxy(requestUrl)
      ) {
        serviceOptions.proxy = this.getProxy();
      }
      //因为itest上使用的https，iserver是http，所以要加上代理
      getFeatureBySQL(
        requestUrl,
        [dataSourceName],
        serviceOptions,
        async function (result) {
          let features = that.parseGeoJsonData2Feature({
            allDatas: {
              features: result.result.features.features
            },
            fileCode: layerInfo.projection,
            featureProjection: that.baseProjection
          });
          //删除之前的图层和标签图层
          that.map.removeLayer(layerInfo.layer);
          layerInfo.labelLayer && that.map.removeLayer(layerInfo.labelLayer);
          await that.addLayer(layerInfo, features, layerIndex);
        },
        function (err) {
          that.errorCallback && that.errorCallback(err, 'autoUpdateFaild', that.map);
        },
        undefined,
        this.restDataSingleRequestCount
      );
    }
  }

  /**
   * @private