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我是靠谱客的博主暴躁水杯，最近开发中收集的这篇文章主要介绍×î¼òµ¥µÄPHP³ÌÐò--¼ÇÊýÆ÷，觉得挺不错的，现在分享给大家，希望可以做个参考。

概述

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ÐèÒªÁË½âµÄº¯Êý:
fopen()´ò¿ªÎÄ¼þ
filesize()»ñµÃÎÄ¼þ´óÐ¡
fseek()ÒÆ¶¯ÎÄ¼þÖ¸Õë
fgets()µÃµ½ÎÄ¼þÖ¸ÕëËùÔÚÐÐÄÚÈÝ
fputs()½«×Ö´®Ð´ÈçÎÄ¼þÖ¸ÕëËùÔÚÎ»ÖÃ
fclose()¹Ø±ÕÎÄ¼þ
file_exists()ÅÐ¶ÏÎÄ¼þÊÇ·ñ´æÔÚ
exec()Ö´ÐÐÍâ²¿³ÌÐò

×î¼òµ¥µÄ¼ÇÊýÆ÷:
<html>
<head>
<title>·Ã¿Í¼ÆÊýÆ÷ ÔÐÍ</title>
</head>
<body>
<?php
/*
(c)1998 David W. Bettis
ÕâÀïÊÇ°æÈ¨ÐÅÏ¢
*/

$counterFile = "counter.txt";
#ÕâÀïÊÇ¶¨Òå¼ÇÊýÆ÷ÎÄ¼þ

function displayCounter($counterFile) {
$fp = fopen($counterFile,"rw");
#´ò¿ªÎÄ¼þ£¬ÓÃ¶ÁÐ´·½Ê½

$num = fgets($fp,5);
#È¡µÃµ±Ç°Êý×Ö

$num += 1;
#¼Ó1

print "ÄúÊÇµÚ "."$num"." Î»ÎÞÁÄ·Ý×Ó";
exec( "rm -rf $counterFile");
exec( "echo $num > $counterFile");
#ÍµÀÁµÄ·½Ê½Å¶£¬²»Ê¹ÓÃfputsÐ´Èë
}

if (!file_exists($counterFile)) {
exec( "echo 0 > $counterFile");
}#Èç¹û¼ÇÊýÆ÷ÎÄ¼þ²»´æÔÚ£¬ÐÂ½¨Ëü²¢ÉèÖÃÄÚÈÝÎª0

displayCounter($counterFile);

?>
</body>
</html>
PHP¼ÇÊýÆ÷±È½Ï¼òµ¥°æ£º
<?
#°æÈ¨Ã»ÓÐÀ²£¬ÕâÃ´¼òµ¥

$fp=fopen("counter.txt","r+");
flock($fp,3);
#´ò¿ª¼ÇÊýÆ÷ÎÄ¼þ²¢Ëø×¡

$fsize=filesize("count.txt");
$count=fgets($fp,$fsize+1);
$count++;
#È¡µÃÊýÂë²¢¼ÓÒ»

fseek($fp,0);
fputs($fp,$count);
fclose($fp);
#½«ÐÂÊýÂëÐ´ÈëÎÄ¼þ

echo "ÄãÊÇµÚ $count Î»·ÃÎÊÕß";
?>

PHP¼ÇÊýÆ÷Í¼ÐÎ°æ£º
ÖÆ×÷10¸öÍ¼Æ¬£¬½«Êý×Ö´®ÓÃÍ¼Æ¬×éÆðÀ´£¬ÎÒ¾Í²»Ï¸ËµÁË
¼ÙÉèÍ¼Æ¬Îª0.gif ~ 9.gif

<?
....$countÎªÈ¡µÃµÄÊýÖµ
$strcount=strval($count);
$strcount=chop($strcount);
$countlen=$strlen($strcount);
$shtml="";
for ($i=0; $i<$countlen; $i++) {
$shtml.="<img src='";
$shtml.=$strcount[$i];
$shtml.=".gif'>";
}
echo $shtml;
?>

PHP¼ÇÊýÆ÷Êý¾Ý¿â°æ£º
Ê¹ÓÃSQL¼ÇÊýÆ÷£¬ÏÈ½¨ºÃ±í
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 "ÄãÊÇµÚ$countÎ»·Ã¿Í";
?>