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?-àí￡o
1.μúò???ê1ó????ˉàà?3ò3?￡
2.??·t?÷3ìê?′ó×êá??a?òμμ°??D?áè???ò3±??ˉàà′?êy?￡
3.??′?êy?óò?′￠′?￡?2￠???ü?í??μúò???ê1ó????￡
4.μú?t??ê1ó????ˉàà?3ò3?￡
5.??·t?÷3ìê?′ó×êá??a?òμμ°??D?áè???ò3±??ˉàà′?êy?￡
6.??′?êy?ù?óò?′￠′?￡?2￠???ü?í??μú?t??ê1ó????￡
Dèòaá??aμ?oˉêy:
fopen()′ò?a???t
filesize()??μ????t′óD?
fseek()ò??ˉ???t????
fgets()μ?μ????t?????ù?úDD?úèY
fputs()??×?′?D′è????t?????ù?ú????
fclose()1?±????t
file_exists()?D?????tê?·?′??ú
exec()?′DDía2?3ìDò
×??òμ￥μ???êy?÷:
<html>
<head>
<title>·??í??êy?÷ ?-Dí</title>
</head>
<body>
<?php
/*
(c)1998 David W. Bettis
?aà?ê?°?è¨D??￠
*/
$counterFile = "counter.txt";
#?aà?ê??¨ò???êy?÷???t
function displayCounter($counterFile) {
$fp = fopen($counterFile,"rw");
#′ò?a???t￡?ó??áD′·?ê?
$num = fgets($fp,5);
#è?μ?μ±?°êy×?
$num += 1;
#?ó1
print "?úê?μú "."$num"." ???Tá?·Y×ó";
exec( "rm -rf $counterFile");
exec( "echo $num > $counterFile");
#íμàáμ?·?ê???￡?2?ê1ó?fputsD′è?
}
if (!file_exists($counterFile)) {
exec( "echo 0 > $counterFile");
}#è?1???êy?÷???t2?′??ú￡?D??¨?ü2￠éè???úèY?a0
displayCounter($counterFile);
?>
</body>
</html>
PHP??êy?÷±è???òμ￥°?￡o
<?
#°?è¨??óDà2￡??a?′?òμ￥
$fp=fopen("counter.txt","r+");
flock($fp,3);
#′ò?a??êy?÷???t2￠??×?
$fsize=filesize("count.txt");
$count=fgets($fp,$fsize+1);
$count++;
#è?μ?êy??2￠?óò?
fseek($fp,0);
fputs($fp,$count);
fclose($fp);
#??D?êy??D′è????t
echo "??ê?μú $count ??·??ê??";
?>
PHP??êy?÷í?D?°?￡o
??×÷10??í???￡???êy×?′?ó?í???×é?eà′￡??ò?í2????μá?
?ùéèí????a0.gif ~ 9.gif
<?
....$count?aè?μ?μ?êy?μ
$strcount=strval($count);
$strcount=chop($strcount);
$countlen=$strlen($strcount);
$shtml="";
for ($i=0; $i<$countlen; $i++) {
$shtml.="<img src='";
$shtml.=$strcount[$i];
$shtml.=".gif'>";
}
echo $shtml;
?>
PHP??êy?÷êy?Y?a°?￡o
ê1ó?SQL??êy?÷￡??è?¨o?±í
CREATE TABLE counter
(
counter int not null,
id ?????int not null
)
INSERT INTO counter(counter,id) VALUE(0,1)
<?
$conn=mysql_connect(..., ..., ...);
#MySQLêy?Y?aá??ó
$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($conn);
echo "??ê?μú$count??·??í";
?>
1.μúò???ê1ó????ˉàà?3ò3?￡
2.??·t?÷3ìê?′ó×êá??a?òμμ°??D?áè???ò3±??ˉàà′?êy?￡
3.??′?êy?óò?′￠′?￡?2￠???ü?í??μúò???ê1ó????￡
4.μú?t??ê1ó????ˉàà?3ò3?￡
5.??·t?÷3ìê?′ó×êá??a?òμμ°??D?áè???ò3±??ˉàà′?êy?￡
6.??′?êy?ù?óò?′￠′?￡?2￠???ü?í??μú?t??ê1ó????￡
Dèòaá??aμ?oˉêy:
fopen()′ò?a???t
filesize()??μ????t′óD?
fseek()ò??ˉ???t????
fgets()μ?μ????t?????ù?úDD?úèY
fputs()??×?′?D′è????t?????ù?ú????
fclose()1?±????t
file_exists()?D?????tê?·?′??ú
exec()?′DDía2?3ìDò
×??òμ￥μ???êy?÷:
<html>
<head>
<title>·??í??êy?÷ ?-Dí</title>
</head>
<body>
<?php
/*
(c)1998 David W. Bettis
?aà?ê?°?è¨D??￠
*/
$counterFile = "counter.txt";
#?aà?ê??¨ò???êy?÷???t
function displayCounter($counterFile) {
$fp = fopen($counterFile,"rw");
#′ò?a???t￡?ó??áD′·?ê?
$num = fgets($fp,5);
#è?μ?μ±?°êy×?
$num += 1;
#?ó1
print "?úê?μú "."$num"." ???Tá?·Y×ó";
exec( "rm -rf $counterFile");
exec( "echo $num > $counterFile");
#íμàáμ?·?ê???￡?2?ê1ó?fputsD′è?
}
if (!file_exists($counterFile)) {
exec( "echo 0 > $counterFile");
}#è?1???êy?÷???t2?′??ú￡?D??¨?ü2￠éè???úèY?a0
displayCounter($counterFile);
?>
</body>
</html>
PHP??êy?÷±è???òμ￥°?￡o
<?
#°?è¨??óDà2￡??a?′?òμ￥
$fp=fopen("counter.txt","r+");
flock($fp,3);
#′ò?a??êy?÷???t2￠??×?
$fsize=filesize("count.txt");
$count=fgets($fp,$fsize+1);
$count++;
#è?μ?êy??2￠?óò?
fseek($fp,0);
fputs($fp,$count);
fclose($fp);
#??D?êy??D′è????t
echo "??ê?μú $count ??·??ê??";
?>
PHP??êy?÷í?D?°?￡o
??×÷10??í???￡???êy×?′?ó?í???×é?eà′￡??ò?í2????μá?
?ùéèí????a0.gif ~ 9.gif
<?
....$count?aè?μ?μ?êy?μ
$strcount=strval($count);
$strcount=chop($strcount);
$countlen=$strlen($strcount);
$shtml="";
for ($i=0; $i<$countlen; $i++) {
$shtml.="<img src='";
$shtml.=$strcount[$i];
$shtml.=".gif'>";
}
echo $shtml;
?>
PHP??êy?÷êy?Y?a°?￡o
ê1ó?SQL??êy?÷￡??è?¨o?±í
CREATE TABLE counter
(
counter int not null,
id ?????int not null
)
INSERT INTO counter(counter,id) VALUE(0,1)
<?
$conn=mysql_connect(..., ..., ...);
#MySQLêy?Y?aá??ó
$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($conn);
echo "??ê?μú$count??·??í";
?>
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