地域枚举

[
  {
    "children": [
      {
        "children": [
          {
            "code": 110101,
            "name": "东城区"
          },
          {
            "code": 110102,
            "name": "西城区"
          },
          {
            "code": 110105,
            "name": "朝阳区"
          },
          {
            "code": 110106,
            "name": "丰台区"
          },
          {
            "code": 110107,
            "name": "石景山区"
          },
          {
            "code": 110108,
            "name": "海淀区"
          },
          {
            "code": 110109,
            "name": "门头沟区"
          },
          {
            "code": 110111,
            "name": "房山区"
          },
          {
            "code": 110112,
            "name": "通州区"
          },
          {
            "code": 110113,
            "name": "顺义区"
          },
          {
            "code": 110114,
            "name": "昌平区"
          },
          {
            "code": 110115,
            "name": "大兴区"
          },
          {
            "code": 110116,
            "name": "怀柔区"
          },
          {
            "code": 110117,
            "name": "平谷区"
          },
          {
            "code": 110118,
            "name": "密云区"
          },
          {
            "code": 110119,
            "name": "延庆区"
          }
        ],
        "code": 1101,
        "name": "北京市"
      }
    ],
    "code": 11,
    "name": "北京市"
  },
  {
    "children": [
      {
        "children": [
          {
            "code": 120101,
            "name": "和平区"
          },
          {
            "code": 120102,
            "name": "河东区"
          },
          {
            "code": 120103,
            "name": "河西区"
          },
          {
            "code": 120104,
            "name": "南开区"
          },
          {
            "code": 120105,
            "name": "河北区"
          },
          {
            "code": 120106,
            "name": "红桥区"
          },
          {
            "code": 120110,
            "name": "东丽区"
          },
          {
            "code": 120111,
            "name": "西青区"
          },
          {
            "code": 120112,
            "name": "津南区"
          },
          {
            "code": 120113,
            "name": "北辰区"
          },
          {
            "code": 120114,
            "name": "武清区"
          },
          {
            "code": 120115,
            "name": "宝坻区"
          },
          {
            "code": 120116,
            "name": "滨海新区"
          },
          {
            "code": 120117,
            "name": "宁河区"
          },
          {
            "code": 120118,
            "name": "静海区"
          },
          {
            "code": 120119,
            "name": "蓟州区"
          }
        ],
        "code": 1201,
        "name": "天津市"
      }
    ],
    "code": 12,
    "name": "天津市"
  },
  {
    "children": [
      {
        "children": [
          {
            "code": 130102,
            "name": "长安区"
          },
          {
            "code": 130104,
            "name": "桥西区"
          },
          {
            "code": 130105,
            "name": "新华区"
          },
          {
            "code": 130107,
            "name": "井陉矿区"
          },
          {
            "code": 130108,
            "name": "裕华区"
          },
          {
            "code": 130109,
            "name": "藁城区"
          },
          {
            "code": 130110,
            "name": "鹿泉区"
          },
          {
            "code": 130111,
            "name": "栾城区"
          },
          {
            "code": 130121,
            "name": "井陉县"
          },
          {
            "code": 130123,
            "name": "正定县"
          },
          {
            "code": 130125,
            "name": "行唐县"
          },
          {
            "code": 130126,
            "name": "灵寿县"
          },
          {
            "code": 130127,
            "name": "高邑县"
          },
          {
            "code": 130128,
            "name": "深泽县"
          },
          {
            "code": 130129,
            "name": "赞皇县"
          },
          {
            "code": 130130,
            "name": "无极县"
          },
          {
            "code": 130131,
            "name": "平山县"
          },
          {
            "code": 130132,
            "name": "元氏县"
          },
          {
            "code": 130133,
            "name": "赵县"
          },
          {
            "code": 130181,
            "name": "辛集市"
          },
          {
            "code": 130183,
            "name": "晋州市"
          },
          {
            "code": 130184,
            "name": "新乐市"
          }
        ],
        "code": 1301,
        "name": "石家庄市"
      },
      {
        "children": [
          {
            "code": 130202,
            "name": "路南区"
          },
          {
            "code": 130203,
            "name": "路北区"
          },
          {
            "code": 130204,
            "name": "古冶区"
          },
          {
            "c