把源代码下载之后再本地运行还是报了跨域请求失败的错误，老师求指教！
XMLHttpRequest cannot load http://www.corsproxy.com/www.webxml.com.cn/WebServices/TrainTimeWebService.asmx/getStationAndTimeDataSetByLikeTrainCode?UserID=&TrainCode=G1. No 'Access-Control-Allow-Origin' header is present on the requested resource. Origin 'null' is therefore not allowed access.
