Method createWMSSource

src/openlayers/mapping/WebMap.js:1464–1479

* @private * @function WebMap.prototype.createWMSSource * @description 创建wms地图source。 * @param {Object} layerInfo - 图层信息。 * @returns {ol.source.TileWMS} wms的source

(layerInfo)

   * @returns {ol.source.TileWMS} wms的source
   */
  createWMSSource(layerInfo) {
    let that = this;
    return new TileWMS({
      url: layerInfo.url,
      wrapX: false,
      params: {
        LAYERS: layerInfo.layers ? layerInfo.layers[0] : '0',
        FORMAT: 'image/png',
        VERSION: layerInfo.version || '1.3.0'
      },
      projection: layerInfo.projection || that.baseProjection,
      tileLoadFunction: this.getCustomTileLoadFunction((src) => {
        return that.isAddProxy(src, layerInfo.proxy) ? `${that.getProxy('png')}${encodeURIComponent(src)}`: src;
      })
    });
  }

  /**
   * @private