通过淘宝IP地址库获取IP位置
1. 请求接口(GET): http://ip.taobao.com/service/getIpInfo.php?ip=[ip地址字串] 2. 响应信息: (json格式的)国家 、省(自治区或直辖市)、市(县)、运营商 3. 返回数据格式: {"code":0,"data":{"ip":"210.75.225.254","country":"\u4e2d\u56fd","area":"\u534e\u5317", "region":"\u5317\u4eac\u5e02","city":"\u5317\u4eac\u5e02","county":"","isp":"\u7535\u4fe1", "country_id":"86","area_id":"100000","region_id":"110000","city_id":"110000", "county_id":"-1","isp_id":"100017"}} 其中code的值的含义为,0:成功,1:失败。