# 查询多级联选 ``` POST https://qw-openapi-tx.dustess.com/enterprise/v2/cascadeOption?accessToken= ``` **接口限制**:每分钟调用600次; **Query:** | 字段 | 类型 | 描述 | 是否必须 | | ----------- | -------- | ----------- | -------- | | accessToken | `string` | accessToken | 是 | **Body:** | 字段 | 类型 | 描述 | 是否必须 | | ---------- | -------- | ------------------------ | -------- | | field_name | `string` | 多级联选字段的字段业务id | 是 | **成功响应:** | 响应参数名 | 类型 | 说明 | | ---------- | ---- | ---- | | success | `bool` | 请求状态，true:成功，false:失败 | | code | `int` | 响应代码，错误时存在 | | msg | `string` | 消息提示 | | data | `object[]` | 数据信息 | | data[].id | `string` | 节点id | | data[].parent_id | `string` | 父节点id | | data[].name | `string` | 选项名 | | data[].child | `object[]` | 子节点列表 结构同data | | data[].child_num | `int` | 子节点数量 | **成功响应示例:** ```json { "code": 0, "data": [ { "child": [ { "child": [ { "child": [], "child_num": 0, "id": "1762067872852148226", "name": "物联网技术", "parent_id": "1762067872852148225", "value": "1762067872852148226" }, { "child": [], "child_num": 0, "id": "1762067872852148227", "name": "人工智能", "parent_id": "1762067872852148225", "value": "1762067872852148227" }, { "child": [], "child_num": 0, "id": "1762067872852148228", "name": "物联网周边服务", "parent_id": "1762067872852148225", "value": "1762067872852148228" } ], "child_num": 3, "id": "1762067872852148225", "name": "物联网", "parent_id": "1762067872852148224", "value": "1762067872852148225" }, { "child": [ { "child": [], "child_num": 0, "id": "1762067872852148230", "name": "通用应用层", "parent_id": "1762067872852148229", "value": "1762067872852148230" }, { "child": [], "child_num": 0, "id": "1762067872852148231", "name": "行业应用层", "parent_id": "1762067872852148229", "value": "1762067872852148231" }, { "child": [], "child_num": 0, "id": "1762067872852148232", "name": "基础层", "parent_id": "1762067872852148229", "value": "1762067872852148232" }, { "child": [], "child_num": 0, "id": "1762067872852148233", "name": "技术层", "parent_id": "1762067872852148229", "value": "1762067872852148233" } ], "child_num": 4, "id": "1762067872852148229", "name": "人工智能", "parent_id": "1762067872852148224", "value": "1762067872852148229" }, { "child": [ { "child": [], "child_num": 0, "id": "1762067872852148235", "name": "旅游资源运营商", "parent_id": "1762067872852148234", "value": "1762067872852148235" }, { "child": [], "child_num": 0, "id": "1762067872852148236", "name": "旅游服务", "parent_id": "1762067872852148234", "value": "1762067872852148236" }, { "child": [], "child_num": 0, "id": "1762067872852148237", "name": "旅游OTA", "parent_id": "1762067872852148234", "value": "1762067872852148237" }, { "child": [], "child_num": 0, "id": "1762067872852148238", "name": "其他旅游服务", "parent_id": "1762067872852148234", "value": "1762067872852148238" } ], "child_num": 4, "id": "1762067872852148234", "name": "旅游", "parent_id": "1762067872852148224", "value": "1762067872852148234" } ], "child_num": 3, "id": "1762067872852148224", "name": "北京市", "parent_id": "ul7loi-lt2t9t1a", "value": "1762067872852148224" }, { "child": [ { "child": [ { "child": [], "child_num": 0, "id": "1762067872852148241", "name": "支付", "parent_id": "1762067872852148240", "value": "1762067872852148241" }, { "child": [], "child_num": 0, "id": "1762067872852148242", "name": "消费金融", "parent_id": "1762067872852148240", "value": "1762067872852148242" } ], "child_num": 2, "id": "1762067872852148240", "name": "科技金融Fintech", "parent_id": "1762067872852148239", "value": "1762067872852148240" }, { "child": [], "child_num": 0, "id": "1762067872852148243", "name": "基金|证券|期货", "parent_id": "1762067872852148239", "value": "1762067872852148243" }, { "child": [], "child_num": 0, "id": "1762067872852148244", "name": "担保|拍卖|典当", "parent_id": "1762067872852148239", "value": "1762067872852148244" }, { "child": [ { "child": [], "child_num": 0, "id": "1762067872852148246", "name": "VC风险投资", "parent_id": "1762067872852148245", "value": "1762067872852148246" }, { "child": [], "child_num": 0, "id": "1762067872852148247", "name": "PE私募基金", "parent_id": "1762067872852148245", "value": "1762067872852148247" }, { "child": [], "child_num": 0, "id": "1762067872852148248", "name": "投资银行", "parent_id": "1762067872852148245", "value": "1762067872852148248" } ], "child_num": 3, "id": "1762067872852148245", "name": "PE|VC投资", "parent_id": "1762067872852148239", "value": "1762067872852148245" }, { "child": [], "child_num": 0, "id": "1762067872852148249", "name": "资产管理", "parent_id": "1762067872852148239", "value": "1762067872852148249" }, { "child": [], "child_num": 0, "id": "1762067872852148250", "name": "融资租赁", "parent_id": "1762067872852148239", "value": "1762067872852148250" } ], "child_num": 6, "id": "1762067872852148239", "name": "四川省", "parent_id": "ul7loi-lt2t9t1a", "value": "1762067872852148239" }, { "child": [ { "child": [], "child_num": 0, "id": "1762067872852148252", "name": "AI医疗", "parent_id": "1762067872852148251", "value": "1762067872852148252" }, { "child": [], "child_num": 0, "id": "1762067872852148253", "name": "医疗机构", "parent_id": "1762067872852148251", "value": "1762067872852148253" }, { "child": [], "child_num": 0, "id": "1762067872852148254", "name": "医药外包", "parent_id": "1762067872852148251", "value": "1762067872852148254" } ], "child_num": 3, "id": "1762067872852148251", "name": "重庆市", "parent_id": "ul7loi-lt2t9t1a", "value": "1762067872852148251" }, { "child": [ { "child": [], "child_num": 0, "id": "1762067872852148256", "name": "早幼教", "parent_id": "1762067872852148255", "value": "1762067872852148256" }, { "child": [], "child_num": 0, "id": "1762067872852148257", "name": "K12教育", "parent_id": "1762067872852148255", "value": "1762067872852148257" }, { "child": [], "child_num": 0, "id": "1762067872852148258", "name": "高等教育", "parent_id": "1762067872852148255", "value": "1762067872852148258" }, { "child": [], "child_num": 0, "id": "1762067872852148259", "name": "留学服务", "parent_id": "1762067872852148255", "value": "1762067872852148259" }, { "child": [], "child_num": 0, "id": "1762067872852148260", "name": "职业教育", "parent_id": "1762067872852148255", "value": "1762067872852148260" }, { "child": [], "child_num": 0, "id": "1762067872852148261", "name": "泛教育", "parent_id": "1762067872852148255", "value": "1762067872852148261" } ], "child_num": 6, "id": "1762067872852148255", "name": "山东省", "parent_id": "ul7loi-lt2t9t1a", "value": "1762067872852148255" }, { "child": [ { "child": [ { "child": [ { "child": [ { "child": [], "child_num": 0, "id": "1762067872852148266", "name": "玉马朝周", "parent_id": "1762067872852148265", "value": "1762067872852148266" } ], "child_num": 1, "id": "1762067872852148265", "name": "好善嫉恶", "parent_id": "1762067872852148264", "value": "1762067872852148265" } ], "child_num": 1, "id": "1762067872852148264", "name": "言能践行", "parent_id": "1762067872852148263", "value": "1762067872852148264" } ], "child_num": 1, "id": "1762067872852148263", "name": "春夏秋冬", "parent_id": "1762067872852148262", "value": "1762067872852148263" }, { "child": [], "child_num": 0, "id": "1762067872852148267", "name": "牵心挂肚", "parent_id": "1762067872852148262", "value": "1762067872852148267" }, { "child": [ { "child": [ { "child": [], "child_num": 0, "id": "1762067872852148270", "name": "徒呼奈何", "parent_id": "1762067872852148269", "value": "1762067872852148270" } ], "child_num": 1, "id": "1762067872852148269", "name": "开天辟地", "parent_id": "1762067872852148268", "value": "1762067872852148269" } ], "child_num": 1, "id": "1762067872852148268", "name": "鬼哭神号", "parent_id": "1762067872852148262", "value": "1762067872852148268" }, { "child": [ { "child": [ { "child": [ { "child": [], "child_num": 0, "id": "1762067872852148274", "name": "惟正之供", "parent_id": "1762067872852148273", "value": "1762067872852148274" }, { "child": [], "child_num": 0, "id": "1762067872852148275", "name": "斗巧争新", "parent_id": "1762067872852148273", "value": "1762067872852148275" } ], "child_num": 2, "id": "1762067872852148273", "name": "必恭必敬", "parent_id": "1762067872852148272", "value": "1762067872852148273" } ], "child_num": 1, "id": "1762067872852148272", "name": "颠连无告", "parent_id": "1762067872852148271", "value": "1762067872852148272" } ], "child_num": 1, "id": "1762067872852148271", "name": "嘉靖七子", "parent_id": "1762067872852148262", "value": "1762067872852148271" }, { "child": [ { "child": [], "child_num": 0, "id": "1762067872852148277", "name": "错落有致", "parent_id": "1762067872852148276", "value": "1762067872852148277" } ], "child_num": 1, "id": "1762067872852148276", "name": "祖宗家法", "parent_id": "1762067872852148262", "value": "1762067872852148276" }, { "child": [], "child_num": 0, "id": "1762067872852148278", "name": "积重不反", "parent_id": "1762067872852148262", "value": "1762067872852148278" }, { "child": [ { "child": [ { "child": [], "child_num": 0, "id": "1762067872852148281", "name": "自己的园地", "parent_id": "1762067872852148280", "value": "1762067872852148281" } ], "child_num": 1, "id": "1762067872852148280", "name": "物以希为贵", "parent_id": "1762067872852148279", "value": "1762067872852148280" } ], "child_num": 1, "id": "1762067872852148279", "name": "历史地理学", "parent_id": "1762067872852148262", "value": "1762067872852148279" }, { "child": [], "child_num": 0, "id": "1762067872852148282", "name": "甲胄生虮虱", "parent_id": "1762067872852148262", "value": "1762067872852148282" }, { "child": [ { "child": [], "child_num": 0, "id": "1762067872852148284", "name": "三千六百钓", "parent_id": "1762067872852148283", "value": "1762067872852148284" }, { "child": [], "child_num": 0, "id": "1762067872852148285", "name": "非条件刺激", "parent_id": "1762067872852148283", "value": "1762067872852148285" } ], "child_num": 2, "id": "1762067872852148283", "name": "一棒一条痕", "parent_id": "1762067872852148262", "value": "1762067872852148283" } ], "child_num": 9, "id": "1762067872852148262", "name": "东北省", "parent_id": "ul7loi-lt2t9t1a", "value": "1762067872852148262" } ], "msg": "OK", "success": true, "traceId": "b51744dd-87e5-91cf-9866-f099a26596ad" } ```