2018年最新省市区街道行政区域划分json版，精确到乡镇及街道。

全国最全的省市区联动json数据，样本数据如下： {"type":"province", "code":"110000", "name":"北京市", "child":[{"type":"city","code":"110100","name":"北京市", "child":[{"type":"county","code":"110101","name":"东城区"}, {"type":"county","code":"110101","name":"东城区"}, {"type":"county","code":"110102","name":"西城区"}, {"type":"county","code":"110105","name":"朝阳区"}, {"type":"county","code":"110106","name":"丰台区"}, {"type":"county","code":"110107","name":"石景山区"}, {"type":"county","code":"110108","name":"海淀区"}, {"type":"county","code":"110109","name":"门头沟区"}, {"type":"county","code":"110111","name":"房山区"}, {"type":"county","code":"110112","name":"通州区"}, {"type":"county","code":"110113","name":"顺义区"}, {"type":"county","code":"110114","name":"昌平区"}, {"type":"county","code":"110115","name":"大兴区"}, {"type":"county","code":"110116","name":"怀柔区"}, {"type":"county","code":"110117","name":"平谷区"}, {"type":"county","code":"110118","name":"密云区"}, {"type":"county","code":"110119","name":"延庆区"}]}] }