【feature】FetchRequst 引入路径优化; review by songym

Author: xiongjiaojiao

src/common/mapping/WebMapService.js

@@ -1,5 +1,5 @@
 import { XMLParser } from "fast-xml-parser";
-import { FetchRequest } from "../util";
+import { FetchRequest } from "../util/FetchRequest";
 import { Util } from '../commontypes/Util';
 import { QueryBySQLService } from '../iServer/QueryBySQLService';
 import { FilterParameter } from '../iServer/FilterParameter';

src/common/mapping/utils/epsg-define.js

@@ -1,5 +1,5 @@
 import proj4FromNpm from 'proj4';
-import { FetchRequest } from "../../util";
+import { FetchRequest } from "../../util/FetchRequest";
 import { transformServerUrl } from './util';
 
 function defineProjection(epsgCode, projection, proj4) {