中国省市区jSon，可直接使用。 module.exports={"children":[{"children":[{"children":[{"name":"东城区","id":"110101"},{"name":"西城区","id":"110102"},{"name":"朝阳区","id":"110105"},{"name":"丰台区","id":"110106"},{"name":"石景山区","id":"110107"},{"name":"海淀区","id":"110108"},{"name":"门头沟区","id":"110109"},{"name":"房山区","id":"1