+++ post:/Exercises/screenshot *bigint:uid#用户uid FILE#模拟文件流提交 <<< { "ret": 0, "msg": "ok", "data": "http://ftp.12xuedev.com/exercises/2016-02-18/1002143823518860581/13579.jpg" } <<< error { "msg": "参数错误！/截图保存失败！", "ret": -1 } +++