**基本信息** 接口地址：`http[s]://api.12xue.com/chapter/paperAreanav` 请求方式：`GET` 请求类型：`application/x-www-form-urlencoded` 响应类型：`json` **请求头** |参数名|必选|描述|默认值| |---|---|---|---| |Token|否|用户唯一token|-| |Source|是|客户端来源标识|-| |Version|是|客户端当前版本号|1.0.0| |Identity|否|用户角色|-| **参数** |参数名|必选|类型|描述|默认值| |---|---|---|---|---| |time|否|string|2020-10|-| |type|是|string|类型|-| |xkid|是|string|学科|-| |njid|是|string|年级|-| **返回示例** - success ```json { "ret": 0, "msg": "ok", "data":[{ "id": 130000, "pid": 0, "children": [{ "id": 130200, "pid": 130000, "children": [{ "id": 130203, "pid": 130200, "title": "路北区", "sort": 3 }], "title": "唐山市", "sort": 2 }], "title": "河北省", "sort": 3 }, { "id": 220000, "pid": 0, "children": [{ "id": 220300, "pid": 220000, "children": [], "title": "四平市", "sort": 3 }], "title": "吉林省", "sort": 7 }] } ``` - error ```json { "ret": -1, "msg": "参数错误或者未定义" } ``` **返回参数说明** |参数名|类型|说明| |---|---|---| |ret |int |状态码 0:成功| |msg |string |状态消息 ok:成功| --: 该接口最后修订时间：2021-07-06 13:36:23 * * * * *