class.method

    //建立错误日志
    function error(){
        $fp=@fopen("error.dat","a+");
        $time=date("Y-m-d H:i:s");
        $msg="{VisitedTime:$time}\t
{VisiterIP:$_SERVER[REMOTE_ADDR]}\t
{Errormsg:".MySQL_error()."}\t
{File:->$_SERVER[PHP_SELF]}\t
{User:$_SESSION[user]}\r\n";
        @fputs($fp,$msg);
        @fclose($fp);
    }

if(MySQL_error()){
       $classname->error();
}

________________________

{VisitedTime:2002-05-09 14:43:56}    
{VisiterIP:127.0.0.1}    
{Errormsg:Duplicate entry '0' for key 1}    
{File:->/path/path/errorfilename.PHP}    
{User:sports98}