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":"110111"},{"name":"通州区","id":"110112"},{"name":"顺义区","id":"110113"},{"name":"昌平区","id":"110114"},{"name":"大兴区","id":"110115"},{"name":"怀柔区","id":"110116"},{"name":"平谷区","id":"110117"},{"name":"密云区","id":"110118"},{"name":"延庆区","id":"110119"}],"name":"北京市","id":"110100"}],"name":"北京","id":"110000"},{"children":[{"children":[{"name":"和平区","id":"120101"},{"name":"河东区","id":"120102"},{"name":"河西区","id":"120103"},{"name":"南开区","id":"120104"},{"name":"河北区","id":"120105"},{"name":"红桥区","id":"120106"},{"name":"东丽区","id":"120110"},{"name":"西青区","id":"120111"},{"name":"津南区","id":"120112"}
