+++ get:/Exercises/answers *bigint:xtid#习题ID（逗号分割，支持多个） *bigint:classid=0#班级id *bigint:kcid=0#课程id *int:ytlx=0#用途类型（1 预习用 2 讲前用 3 讲后用） <<< success { "ret": 0, "msg": "ok", "data": [ "1002143813584610268": [ { "id": "1", "xtid": "1002143813584610268", "uid": "1002143813519637325", "realname": "佚名", "sxda": "1002143813584628850", "flag": "0", "is_true": 1, "create_time": "1438137496" }, { "id": "24", "xtid": "1002143813584610268", "uid": "1002143805347170578", "realname": "樊贞暖", "sxda": "1002143813584628916", "flag": "0", "is_true": 0, "create_time": "1438246263" } ], "1002143813608860115": [ { "id": "2", "xtid": "1002143813608860115", "uid": "1002143804586354731", "realname": "佚名", "sxda": "1002143813608915656,1002143813608916598,1002143813608917281,1002143813608937857", "flag": "0", "is_true": 1, "create_time": "1438150079" }, { "id": "25", "xtid": "1002143813608860115", "uid": "1002143805347170578", "realname": "樊贞暖", "sxda": "1002143813608915656,1002143813608916598,1002143813608917281,1002143813608937857", "flag": "0", "is_true": 1, "create_time": "1438246304" }, ...... ], ...... ] } <<< error { "ret": -1, "msg": "参数错误", } +++