2020微信小程序省市区四级联动json文件

2020微信小程序省市区四级联动json文件,亲测可用：格式如下： [{"code":"11","name":"北京市","children":[{"code":"1101","name":"市辖区","children":[{"code":"110101","name":"东城区"},{"code":"110102","name":"西城区"}...