    <?php
        //数字输出网页计数器
        $max_len = 9;
        $CounterFile = "counterjsq.dat";
        if(!file_exists($CounterFile)){        //如果计数器文件不存在
            $counter = 77787;                  
            $cf = fopen($CounterFile,"w");  //打开文件
            fputs($cf,'0');                    //初始化计数器
            fclose($cf);                   //关闭文件
        }
        else{                                       //取回当前计数器的值
            $cf = fopen($CounterFile,"r");
            $counter = trim(fgets($cf,$max_len));
            fclose($cf);
        }
        $counter++;                                    //计数器加一
        $cf = fopen($CounterFile,"w");              //写入新的数据
        fputs($cf,$counter);
        fclose($cf);
        echo "document.write("  . $counter .  ")";
    ?>