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fopen()´ò¿ªÎļþ

filesize()»ñµÃÎļþ´óС

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fgets()µÃµ½ÎļþÖ¸ÕëËùÔÚÐÐÄÚÈÝ

fputs()½«×Ö´®Ð´ÈçÎļþÖ¸ÕëËùÔÚλÖÃ

fclose()¹Ø±ÕÎļþ

file_exists()ÅжÏÎļþÊÇ·ñ´æÔÚ

exec()Ö´ÐÐÍⲿ³ÌÐò  

  

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/*  

(c)1998 David W. Bettis  

ÕâÀïÊÇ°æȨÐÅÏ¢  

*/  



$counterFile = "counter.txt";  

#ÕâÀïÊǶ¨Òå¼ÇÊýÆ÷Îļþ



function displayCounter($counterFile) {  

$fp = fopen($counterFile,"rw");

#´ò¿ªÎļþ£¬ÓöÁд·½Ê½



$num = fgets($fp,5);

#È¡µÃµ±Ç°Êý×Ö



$num += 1;

#¼Ó1



print "ÄúÊÇµÚ "."$num"." λÎÞÁÄ·Ý×Ó";  

exec( "rm -rf $counterFile");  

exec( "echo $num > $counterFile");  

#͵ÀÁµÄ·½Ê½Å¶£¬²»Ê¹ÓÃfputsдÈë  

}  



if (!file_exists($counterFile)) {  

exec( "echo 0 > $counterFile");  

}#Èç¹û¼ÇÊýÆ÷Îļþ²»´æÔÚ£¬Ð½¨Ëü²¢ÉèÖÃÄÚÈÝΪ0



displayCounter($counterFile);  



?>  

  

   

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#°æȨûÓÐÀ²£¬Õâô¼òµ¥  



$fp=fopen("counter.txt","r+");

flock($fp,3);  

#´ò¿ª¼ÇÊýÆ÷Îļþ²¢Ëøס



$fsize=filesize("count.txt");

$count=fgets($fp,$fsize+1);

$count++;  

#È¡µÃÊýÂë²¢¼ÓÒ»



fseek($fp,0);

fputs($fp,$count);

fclose($fp);

#½«ÐÂÊýÂëдÈëÎļþ



echo "ÄãÊÇµÚ $count λ·ÃÎÊÕß";

?>  

  

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....$countΪȡµÃµÄÊýÖµ

$strcount=strval($count);

$strcount=chop($strcount);

$countlen=$strlen($strcount);

$shtml="";

for ($i=0; $i<$countlen; $i++) {

$shtml.="";

}

echo $shtml;

?>  

  

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CREATE TABLE counter

(

counter int not null,

id ÿÿÿÿÿint not null

)

INSERT INTO counter(counter,id) VALUE(0,1)




$conn=mysql_connect(..., ..., ...);

#MySQLÊý¾Ý¿âÁ¬½Ó



$sql="select * from counter";

$result=mysql_query($sql,$conn);

$objresult=mysql_fetch_object($result);

$count=$objresult->counter;

$count++;  



$sql="update counter set counter=".$count."where id=1";

mysql_query($sql,$conn);

mysql_close($conn);





echo "ÄãÊǵÚ$countλ·Ã¿Í";

?> 

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