全国省市区经纬度, 数据样例 {"全国":{"loc":[116.413384,39.910925]},"北京市":{"loc":[116.413384,39.910925],"市辖区":{"loc":[116.413384,39.910925],"dis":[{"dis_loc":[116.422401,39.934827],"dis_name":"东城区"},{"dis_loc":[116.372514,39.918124],"dis_name":"西城区"}]}}} { "全国"