全国行政区代码

高德接口数据

https://webapi.amap.com/ui/1.0/ui/geo/DistrictExplorer/assets/d_v1/an_810000.json

其中 810000 为行政代码

示例返回：

type: "MultiPolygon",
arcs:  [
     [[ 91, 20, 92, 93, 94, 95, 96 ] ]
     ],
    properties:  {
       "adcode": 440100,
       "name": "广州市",
       "center":  [ 113.280637, 23.125178],
       "centroid":  [ 113.544343, 23.329226 ],
       "childrenNum": 11,
       "level": "city"
}

京东地址库

https://d.jd.com/area/get?fid=40152