优化 api 对跨域策略的判断

src/utils/api.js

 /**
  * Created by pader on 2017/6/14.
  */
-var headerAuthorize = __BASE_URL__ == __SERVER_URL__;
+//Web端与Server端根网址一致则采用 header 授权方案
+var serverParse = __SERVER_URL__.match(/^(https?:)?(\/\/[\w\.\-:]+)\//);
+var serverOrigin = (serverParse[1] ? serverParse[1] : location.protocol) + serverParse[2];
+var headerAuthorize = location.origin == serverOrigin;
 
 function getUrl(uri) {
 	return __SERVER_URL__ + uri;