从阿里云地图选择器上查询得到的中国省市县（一共369个json文件）的地图json数据。http://datav.aliyun.com/tools/atlas/#&lat=33.521903996156105&lng=104.29849999999999&zoom=4。参考格式部分如下：{"features":[{"type":"Feature","properties":{"adcode":110000,"name":"北京市","center":[116.405285,39.904989],
