基于数据库的在线人数，日访问量等统计

2024-05-04 22:15:01

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可以实现在线人数统计，日访问量统计，月访问量统计。。。。。

<?
$sql = "CREATE TABLE guestinfo(id integer DEFAULT '0' NOT NULL       AUTO_INCREMENT,
                       ipaddress varchar(20),
                       host      varchar(20),
                       cometime    datetime,
                       refreshtime datetime,
                       leavetime  datetime,
                       PRIMARY KEY(id),
                       UNIQUE id(id),
                       index guestinfo(id)
                       )";
   mysql_query($sql, $connect);
?>

<?
    $duration = 300;
    $sql = "select * from guestinfo where  (leavetime is null or leavetime='') and ( UNIX_TIMESTAMP(NOW())-UNIX_TIMESTAMP(refreshtime))>$duration";
    $result=@mysql_query($sql);
    while($row=@mysql_fetch_array($result))
    {
        $id = $row['id'];
        $sql = "update guestinfo set leavetime=now() where id='$id'";
        mysql_query($sql);

    }
    $sql = "select * from guestinfo where ipaddress='$REMOTE_ADDR' and (leavetime is null or leavetime='')";
    $result = @mysql_query($sql);
    if($row=@mysql_fetch_array($result))
    {
       $id = $row['id'];
       $sql="update guestinfo set refreshtime=now() where id='$id'";
       mysql_query($sql);
    }

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