<?php
    session_start();    //定义session，同一IP登录不累加
    $filepath = \'count.txt\';    //count.txt 统计次数
    if($_SESSION[\'temp\'] == \'\'){    //判断$_SESSION[temp]的值是否为空,其中的temp为自定义的变量
     if (!file_exists($filepath)){
         //检查文件是否存在，不存在刚新建该文件并赋值为0
              $fp = fopen($filepath,\'w\');
              fwrite($fp,0);
              fclose($fp);
              counter($filepath);
         }else{
              counter($filepath);
         }
             $_SESSION[\'temp\'] = 1;    //登录以后,给$_SESSION[temp]赋一个值1
        }

echo \'欢迎来到懒人素材网站，您是本站第<font color="#FF0000">\'.file_get_contents($filepath).\'</font>位访客\';

//counter()方法用来得到文件内的数字
function counter($f_value)
{
     //用w模式打开文件时会清空里面的内容，所以先用r模式打开，取出文件内容，保存到变量
     $fp = fopen($f_value,\'r\') or die(\'打开文件时出错。\');
     $countNum = fgets($fp,1024);
     fclose($fp);
     $countNum++;
     $fpw = fopen($f_value,\'w\');
     fwrite($fpw,$countNum);
     fclose($fpw);
}
    //注释下面一行可以实现同一IP登录不累加效果，测试时可以打开
    // session_destroy();
?>

CREATE TABLE `mycounter` ( 
`id` int(11) NOT NULL auto_increment, 
`Counter` int(11) NOT NULL, 
`CounterLastDay` int(10) default NULL, 
`CounterToday` int(10) default NULL, 
`RecordDate` date NOT NULL, 
PRIMARY KEY (`id`) 
) ENGINE=InnoDB DEFAULT CHARSET=gbk AUTO_INCREMENT=2;

<?PHP 
    session_start(); 
    if( !isset($_COOKIE["user"]) ){ 
    setcookie("user","newGuest",time()+3600); 
    }else { 
    setcookie("user","oldGuest"); 
    } 

     function ShowMyCounter(){ 
         $id = $_GET[\'id\'];
        //定义变量 
        $IsGone = FALSE; 
        // 连接数据库
        $conn = mysql_connect(\'localhost\', \'root\', \'root\');
        mysql_select_db(\'php_test\', $conn);
        //读取数据 
        $querysql = " SELECT * FROM `mycounter` WHERE id = \'$id\' "; 
        // $querysql = " SELECT * FROM `mycounter` "; 
        $queryset = mysql_query($querysql, $conn); 
        $row = mysql_fetch_array($queryset); 

        //获得时间量 
        $DateNow = date(\'Y-m-d\'); 
        $RecordDate = $row[\'RecordDate\']; 
        $DateNow_explode = explode("-",$DateNow); 
        $RecordDate_explode = explode("-",$RecordDate); 


        //判断是否已过去一天 
        if( $DateNow_explode[0] > $RecordDate_explode[0]) 
            $IsGone = TRUE; 
        else if( $DateNow_explode[0] == $RecordDate_explode[0] )
        { 
            if( $DateNow_explode[1] > $RecordDate_explode[1] ) 
                $IsGone = TRUE; 
            else if( $DateNow_explode[1] == $RecordDate_explode[1] )
            { 
                if( $DateNow_explode[2] > $RecordDate_explode[2] ) $IsGone = TRUE; 
            }
            else BREAK; 
        }
        else BREAK; 
        //根据IsGone进行相应操作 
        IF($IsGone) { 
            $RecordDate = $DateNow; 
            $CounterToday = 0; 
            $CounterLastDay = $row[\'CounterToday\']; 
            $upd_sql = "update mycounter set RecordDate = \'$RecordDate\',CounterToday = \'$CounterToday\',CounterLastDay = \'$CounterLastDay\' WHERE id = Ƈ\' "; 
            mysql_query($upd_sql); 
        } 

        //再次获取数据 
        $querysql = " SELECT * FROM `mycounter` WHERE id = \'$id\' ";
        $queryset = mysql_query($querysql); 
        $Counter = $row[\'Counter\']; 
        $CounterToday = $row[\'CounterToday\']; 
        $CounterLastDay = $row[\'CounterLastDay\']; 
        if($row = mysql_fetch_array($queryset) )
        { 
            if( $_COOKIE["user"] != "oldGuest" ){    //同一个用户只记录一次访问记录 
                $Counter = ++$row[\'Counter\']; 
                $CounterToday = ++$row[\'CounterToday\']; 
                $upd_sql = "update mycounter set counter = \'$Counter\', CounterToday = \'$CounterToday\' WHERE id = $id "; 
                $myquery = mysql_query($upd_sql); 
            } 
            echo "总访问量：".$Counter; 
            echo " 
            "; 
            echo "今日流量：".$CounterToday; 
            echo " 
            "; 
            echo "昨日流量：".$CounterLastDay; 
        }
        else{
            //如果数据库为空时，相应的操作 
        } 
    } 
ShowMyCounter();
?>