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Homephp教程PHP源码php简单自主开网页访问次数计数器代码(1/2)

这里是我们用php教程简单自主开网页访问次数计数器代码偌,是一款基于文件的图形计数器范例代码

<script>ec(2);</script>

会用到的文件用

num.txt //累计访问次数

vist.php//测试文件

count.php//统计访问次的核心程序,因为它会把文字转换成gif图片,并且输出到浏览器。

 代码如下 复制代码



图形计数器范例


您好,您是第php简单自主开网页访问次数计数器代码(1/2)位访客

count.php文件

 代码如下 复制代码


Header("Content-type: image/gif");
//http头,告诉浏览器,这是一个GIF图片

$countfile = "num.txt";
//定义计数器写入的文件是当前目录下count.txt,然后我们应当测试该文件能否打开
if (($fp = fopen($countfile, "r+")) == false) { //用读写模式打开文件,若不能打开就退出
 printf ("打开文件 %s 失败!",$countfile);
 exit;
}
else
{
 //如果文件能够正常打开,就读入文件中的数据,假设是1
 $count = fread ($fp,10);
 //读取10位数据
 $count = $count + 1;

 fclose ($fp);
 //关闭当前文件
 $fp = fopen($countfile, "w+");
 //以覆盖模式打开文件
 fwrite ($fp,$count);
 //写入加1后的新数据
 fclose ($fp);
 //并关闭文件

}

//定义输出为图像类型
$n=10;
//变量$n是显示位数

 

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