|
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<?
$sql = "CREATE TABLE guestinfo(id integer DEFAULT '0' NOT NULL AUTO_INCREMENT,
ipaddress varchar(20),
host varchar(20),
cometime datetime,
refreshtime datetime,
leavetime datetime,
PRIMARY KEY(id),
UNIQUE id(id),
index guestinfo(id)
)";
mysql_query($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);
}
else
{
$sql = "insert into guestinfo(ipaddress,host,cometime,refreshtime)
values('$REMOTE_ADDR','$REMOTE_HOST',now(),now())";
mysql_query($sql);
}
$date= mktime(0,0,0,date("m"),date("d"),date("Y"));
$sql = "select count(*) from guestinfo where UNIX_TIMESTAMP(refreshtime)> $date";
$result = mysql_query($sql);
if($result)
{
$row = mysql_fetch_array($result);
$todayaccess = $row["count(*)"];
}
else $todayaccess = 0;
$sql = "select count(*) from guestinfo where leavetime is null or leavetime=''";
$result = mysql_query($sql);
if($result)
{
$row = mysql_fetch_array($result);
$nowonline= $row["count(*)"];
}
else $nowonline = 0;
mysql_close($connect);
?>
include("guest.php");
<head>
<meta http-equiv="Refresh" content=<? echo $duration?>; url=<? echo $php_SELF; ?>">
</head>
歡迎來我的網(wǎng)站來灌水，有什么問題，給我留言。
php技術(shù)：基于數(shù)據(jù)庫的在線人數(shù)，日訪問量等統(tǒng)計(jì)，轉(zhuǎn)載需保留來源！
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