+++ get:/Homework/signInfo *string:hwid#作业id *classid#班级id <<< success { "ret": 0, "msg": "ok", "data": [ { "classid": "100014580208062147", "classname": "2014级一班（张明成）", "finish_time": "2016-04-28" } ] } <<< error { "ret": -1, "msg": "参数错误" } +++