**基本信息** 接口地址：`http[s]://api.12xue.com/chapter/trees` 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| |---|---|---|---|---| |sys|否|string|系統還是自定義 sys系統 usr自定義|''| |gzxz|否|int|高中學制|-| |id|否|int|章節的父級id|-| |back|否|int|是否是后臺使用，1是 0否|-| |lv|否|int|章節層級,后臺調用時傳參|''| |schoolid|否|int|學校id|-| |xxxz|否|int|小學學制|-| |czxz|否|int|初中學制|-| **返回示例** - success ```json { "ret": 0, "msg": "ok", "data": [ { "id": "2", "name": "八年級(4年學制)", "pid": "1", "xd": "31", "code": "31_3", "ext": "sys", "schoolid": "0", "isParent": "true" }, { "id": "21599", "name": "八年級(3年學制)", "pid": "1", "xd": "31", "code": "31_2", "ext": "sys", "schoolid": "0", "isParent": "true" }, { "id": "27", "name": "九年級(4年學制)", "pid": "1", "xd": "31", "code": "31_4", "ext": "sys", "schoolid": "0", "isParent": "true" }, { "id": "6150", "name": "九年級(3年學制)", "pid": "1", "xd": "31", "code": "31_3", "ext": "sys", "schoolid": "0", "isParent": "true" }, { "id": "52", "name": "高中部(3年學制)", "pid": "1", "xd": "34", "code": "34_0", "ext": "sys", "schoolid": "0", "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：2017-07-07 09:07:26 * * * * *