微信图片上传，返回值{ "BaseResponse": { "Ret": 0, "ErrMsg": "" } , "MediaId": "", "StartPos": 77481, "CDNThumbImgHeight": 0, "CDNThumbImgWidth": 0 } ，求解决方案，在线等
http://blog.csdn.net/u014520797/article/details/50629668