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获取客户端IP地址

Jun 07, 2016 am 11:43 AM

发现get_client_ip在局域网代理模式下面部分机器无法获取IP,故修改get_client_ip如下解决,但也有可能是我们这边服务器配置的问题:
修改位置:ThinkPHP\Common\funcitons.php->get_client_ip()function get_client_ip($type = 0) {<br>     $type       =  $type ? 1 : 0;<br>     static $ip  =   NULL;<br>     if ($ip !== NULL) return $ip[$type];<br>     if($_SERVER['HTTP_X_REAL_IP']){//nginx 代理模式下,获取客户端真实IP<br>         $ip=$_SERVER['HTTP_X_REAL_IP'];     <br>     }elseif (isset($_SERVER['HTTP_CLIENT_IP'])) {//客户端的ip<br>         $ip     =   $_SERVER['HTTP_CLIENT_IP'];<br>     }elseif (isset($_SERVER['HTTP_X_FORWARDED_FOR'])) {//浏览当前页面的用户计算机的网关<br>         $arr    =   explode(',', $_SERVER['HTTP_X_FORWARDED_FOR']);<br>         $pos    =   array_search('unknown',$arr);<br>         if(false !== $pos) unset($arr[$pos]);<br>         $ip     =   trim($arr[0]);<br>     }elseif (isset($_SERVER['REMOTE_ADDR'])) {<br>         $ip     =   $_SERVER['REMOTE_ADDR'];//浏览当前页面的用户计算机的ip地址<br>     }else{<br>         $ip=$_SERVER['REMOTE_ADDR'];<br>     }<br>     // IP地址合法验证<br>     $long = sprintf("%u",ip2long($ip));<br>     $ip   = $long ? array($ip, $long) : array('0.0.0.0', 0);<br>     return $ip[$type];<br> }

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