获取客户端IP

获取英文的客户端IP: http://freegeoip.net/json/
新浪接口: http://int.dpool.sina.com.cn/iplookup/iplookup.php?format=json&ip=123.123.123.123
百度接口: http://api.map.baidu.com/location/ip?ak=VXzppoDMKS1KEERsbbyEMWMd4cDblAsP&ip=202.198.16.3&coor=bd09ll
taobao接口: http://ip.taobao.com/service/getIpInfo.php?ip=123.123.123.123