代码语言：javascript复制
方法一：
<?php
function Counter()//定义函数
{
$five = "00000";//声明变量，$five,$four等变量表示零的个数，放在数字前边构成6位数
$four = "0000";
$three = "000";
$two = "00";
$one = "0";
$counter = "rec.txt";//存放访问数的目的文件，.dat格式
if(!file_exists($counter))//判断文件是否存在
{
$counter = fopen($counter,"w");
$num = 1;
fputs($counter,"1");//写入文件
fclose($counter);
print "$five"."$num";
}else{
$fp = fopen($counter,"r ");
$num = fgets($fp,"1024");//如果文件存在则读出文件，并加 1
$num = $num 1;
if($num < 10)
print "$five"."$num";
elseif($num < 100)
print "$four"."$num";
elseif($num < 1000)
print "$three"."$num";
elseif($num < 10000)
print "$two"."$num";
elseif($num < 100000)
print "$one"."$num";
else
print "$num";
}
$fp = fopen("$counter","w");
fputs($fp,"$num");
fclose($fp);
}
?>
<html>
<head>
<title>网站访客统计</title>
</head>
<body>
<center>
<h1>网站访客统计</h1>
<font size="6" face="隶书" >欢迎访问CMS集中营！您是第</font>
<B>
<font size="9" face="Verdana" color="#FF0000"><?php Counter() ?></font>
</B>
<font size="6" face="隶书" >位访客！</font>
</center>
</body>
</html>
方法二：
<html>
<head>
<title>网站访客统计</title>
</head>
<body>
<center>
<h1>网站访客统计</h1>
<font size="6" face="隶书" >欢迎访问CMS集中营！您是第</font>
<B>
<?php
$counter=1;
if(file_exists("rec.txt"))
{
$fp=fopen("rec.txt","r");
$counter=fgets($fp,1024);
$counter ;
fclose($fp);
}
$fp=fopen("rec.txt","w");
fputs($fp,$counter);
fclose($fp);
echo "<font size='9' face='Verdana' color='#FF0000'>".$counter."</font>";
?>
</B>
<font size="6" face="隶书" >位访客！</font>
</center>
</body>
</html>
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原文出处：Yiiven https://cloud.tencent.com/developer/article/2193062
