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function IP($ip='',$charset='gbk',$file='QQWry.dat') { static $_ip = array(); if(isset($_ip[$ip])) { return $_ip[$ip]; }else{ import("ORG.Net.IpLocation"); $iplocation = new IpLocation($file); $location = $iplocation->getlocation($ip); $_ip[$ip] = $location['country'].$location['area']; } if('utf-8' != $charset) { $_ip[$ip] = iconv($charset,'utf-8',$_ip[$ip]); } return $_ip[$ip]; }复制代码