Method queryChart

src/common/iServer/ChartService.js:63–78

* @function ChartService.prototype.queryChart * @description 查询海图服务。 * @param {ChartQueryParameters} params - 海图查询所需参数类。 * @param {RequestCallback} [callback] - 回调函数，该参数未传时可通过返回的 promise 获取结果。 * @param {DataFormat} resultFormat - 返回结果类型。 * @returns {Promise} Promise 对象。

(params, callback, resultFormat)

      * @returns {Promise} Promise 对象。
      */
     queryChart(params, callback, resultFormat) {
         var me = this,
             param = params,
             format = me._processFormat(resultFormat);
         var chartQueryService = new ChartQueryService(me.url, {
             proxy: me.options.proxy,
             withCredentials: me.options.withCredentials,
             crossOrigin: me.options.crossOrigin,
             headers: me.options.headers,
             format: format,
             fieldNameFormatter: me.options.fieldNameFormatter,
             parseProperties: me.options.parseProperties
         });
 
         return chartQueryService.processAsync(param, callback);
     }
 
     /**
      * @function ChartService.prototype.getChartFeatureInfo