Method getFeatures

src/openlayers/mapping/WebMap.js:2519–2549

* @private * @function WebMap.prototype.getFeatures * @description 从地图中获取feature * @param {Object} fields - 图层信息 * @param {number} layerInfo - 图层index * @param {number} success - 成功回调 * @param {number} faild - 失败回调

(fields, layerInfo, success, faild)

   * @param {number} faild - 失败回调
   */
  getFeatures(fields, layerInfo, success, faild) {
    var that = this;
    var source = layerInfo.dataSource;
    var fileCode = layerInfo.projection;
    queryFeatureBySQL(
      source.url,
      source.layerName,
      null,
      fields,
      null,
      function (result) {
        var recordsets = result.result.recordsets[0];
        var features = recordsets.features.features;

        var featuresObj = that.parseGeoJsonData2Feature(
          {
            allDatas: {
              features
            },
            fileCode: fileCode,
            featureProjection: that.baseProjection
          },
          'JSON'
        );
        success(featuresObj);
      },
      function (err) {
        faild(err);
      }
    );
  }

  /**
   * @private