**基本信息** 接口地址：`http[s]://api.12xue.com/v2homework/getChaptTree` 請求方式：`GET` 請求類型：`application/x-www-form-urlencoded` 響應類型：`json` **請求頭** |參數名|必選|描述|默認值| |---|---|---|---| |Token|否|用戶唯一token|-| |Source|是|客戶端來源標識|-| |Version|是|客戶端當前版本號|1.0.0| |Identity|否|用戶角色|-| **參數** |參數名|必選|類型|描述|默認值| |---|---|---|---|---| |lv|是|string|獲取層級|-| |pid|是|string|父級id|-| |xd|是|string|學段|lv>0時| |schoolid|是|string|學校id|lv>0時| |xz|是|string|學制|lv>0時| **返回示例** - success ```json { "ret": 0, "msg": "獲取成功~", "data": [{ "id": "6167", "name": "七年級", "pid": "1071", "code": "31_1", "ext": "sys", "type": "Grade", "xd": "31", "nj": "1", "subject": "1071", "grade": "0", "publisher": "0", "volume": "0", "section": "0", "xz": 3, "isParent": "true" }, { "id": "6168", "name": "八年級", "pid": "1071", "code": "31_2", "ext": "sys", "type": "Grade", "xd": "31", "nj": "2", "subject": "1071", "grade": "0", "publisher": "0", "volume": "0", "section": "0", "xz": 3, "isParent": "true" }, { "id": "6169", "name": "九年級", "pid": "1071", "code": "31_3", "ext": "sys", "type": "Grade", "xd": "31", "nj": "3", "subject": "1071", "grade": "0", "publisher": "0", "volume": "0", "section": "0", "xz": 3, "isParent": "true" }] } ``` - error ```json { "ret": -1, "msg": "參數錯誤或者未定義" } ``` **返回參數說明** |參數名|類型|說明| |---|---|---| |ret |int |狀態碼 0:成功| |msg |string |狀態消息 ok:成功| --: 該接口最后修訂時間：2019-04-20 15:13:30 * * * * *