request方法增加配置

utils/request.js

@@ -43,7 +43,7 @@ function checkStatus(response) {
  * @param  {object} [options] The options we want to pass to "fetch"
  * @return {object}           An object containing either "data" or "err"
  */
-export default function request(url, options) {
+export default function request(url, options, config = {enableLoading: true}) {
   const defaultOptions = {
     credentials: 'omit',
     mode: 'cors',
@@ -78,7 +78,9 @@ export default function request(url, options) {
       url = url + '?' + stringify(options);
     }
   }
-  Toast.loading('加载中....', 1);
+  if (config.enableLoading) {
+    Toast.loading('加载中....', 1);
+  }
   return fetch(url, newOptions).then(checkStatus)
     .then(response => {
       if (response.status === 202) {