+++ post:/Homework/attach *bigint:uid#用户id bigint:classid#班级id bigint:hwid#作业id string:title#文件展示名称 string:savename#文件存储文件名称 string:filesize#文件大小 string:filetype#文件类型(如：.xlsx) <<< success { "ret": 0, "msg": "ok" } <<< error { "msg": "参数错误", "ret": -1 } +++