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<?php
$file="count.dat";
if(@file_exists($file)){
    [email protected]($file);
    $num=$fp[0];
    $f=fopen($file,"w+");
    $number=$num+1;
    fputs($f,$number);
}else{
    $f=fopen($file,"a+");
    fputs($fp,"0");
}
@fclose($f);
?>
ÄúºÃ<?=$_SERVER["REMOTE_ADDR"]?>£¬ÄúÊDZ¾Õ¾µÄµÚ[<?=$number?>]λ¿ÍÈË

·âװΪ
class Counter{
   function addnumber(){
//¶àÓû§   function addnumber($user){    //Ìáʾ£ºÄú¿ÉÒÔʹÓÃIDÀ´½øÐжàÓû§(¶àÒ³Ãæ)¼ÆÊýÀýÈ磺$c=new Counter;$c->addnumber($id);
    $file="count.dat";
//¶àÓû§£¨Ò³Ã棩    $file=$user.".dat";
        if(@file_exists($file)){
            [email protected]($file);
            $num=$fp[0];
            $f=fopen($file,"w+");
            $number=$num+1;
            fputs($f,$number);
        }else{
            $f=fopen($file,"a+");
            fputs($fp,"0");
        }
        @fclose($f);
print("ÄúºÃ$_SERVER["REMOTE_ADDR"]£¬ÄúÊDZ¾Õ¾µÄµÚ[$number]λ¿ÍÈË");
   }
}

µ÷ÓÃ
eg.php
<?
$co=new Conter;
$co->addnumber();    //µ¥Óû§¼ÆÊý
$co->addnumber($id);    //¶àÓû§£¨Ò³Ã棩¼ÆÊý,ÕâÀïµÄID¿ÉÒÔΪÄúÊý¾Ý¿âÄÚ·ûºÏ¼Ç¼µÄÓû§ID£¬Ò²¿ÉÒÔΪÄã°þ³ýÁËĿ¼µÄPHP_SELF,ºÇºÇ£¬µ¥¶À·Å¸öcounterĿ¼£¬ÀïÃæÃ¿¸öÒ³Ãæ(Óû§)¶¼ÓÐËû×Ô¼ºÍ¬ÑùÃû³ÆµÄ.datÎļþÀ´¼Ç¼ËûµÄ
Ò³ÃæµÄ·ÃÎÊÁ¿~£¬¼