隐性调用php程序的方法

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<?php

$file_name = "count.txt";

$fp = fopen($file_name,"r"); //打开文件读入当前计数

$count = fread($fp, filesize($file_name));

fclose($fp);

$count++; //计数加1

$fp = fopen($file_name, "w");

//再次打开文件写入更新后的计数

fwrite($fp, $count);

fclose($fp);

echo "document.write('".$count."')";

//输出JavaScript代码，返回计数

?>