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php的计数器程序

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Release: 2016-06-13 12:42:40
Original
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1)文本计数器
$countfile="/count.txt";  //设置保存数据的文件
if (!file_exists($countfile)){//判断文件是否存在
exec( "echo 0 > $countfile");
}
$fp = fopen($countfile,"rw");
$length=filesize($countfile);
$num = fgets($fp,$length);
$num += 1;
exec( "rm -rf $countfile");
exec( "echo $num > $countfile");
print "访问量总计:"."$num"."人次";  //显示访问次数
?>
2)图形计数器

$countfile="/count-num.txt";  //设置保存数据的文件
if (!file_exists($countfile))  //判断文件是否存在
{exec( "echo 0 > $countfile");}
$fp = fopen($countfile,"rw");
$length=filesize($countfile);
$num = fgets($fp,$length);
$num += 1;
exec( "rm -rf $countfile");
exec( "echo $num > $countfile");
$len_str = strlen($num);
for($i=0;$i$each_num = substr($num,$i,1);
$out_str = $out_str . "php的计数器程序";
}
print "访问量总计:"."$out_str"."人次";  //显示访问次数
?>


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