[PHP]代码    

function getRealIpAddr()  {  if (!empty($_SERVER['HTTP_CLIENT_IP']))  {  $ip=$_SERVER['HTTP_CLIENT_IP'];  }  elseif (!empty($_SERVER['HTTP_X_FORWARDED_FOR']))  //检查IP是从代理传递  {  $ip=$_SERVER['HTTP_X_FORWARDED_FOR'];  }  else  {  $ip=$_SERVER['REMOTE_ADDR'];  }  return $ip;  }