如何從IP位置知道地址資訊並有api可呼叫

這個網站提供免費ip的服務 http://ip.taobao.com/instructions.php



可利用
/service/getIpInfo.php?ip=[ip地址字串]

傳回jason資訊 如下：

"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"}}