聊天室php&mysql(二)
2016-01-29 14:33
聊天室php&mysql(二),聊天室php&mysql(二)
<?
include "../signup/mysql.php";
header("Expires: Sun, 28 Dec 1997 09:32:45 GMT");
header("Cache-Control: no-cache, must-revalidate");
header("Pragma: no-cache");
header("Content-Type: text/html; charset=${Charset}");
$current_time=time();
$delete_time=$current_time-40;
$sql="delete from chat_user where last_time<".$delete_time;
mysql_query($sql)or die(" false again");
$sql="update chat_user set last_time='$current_time' where userid='$userid'";
mysql_query($sql) or die("false");
$sql="select userid from chat_user";
$result=mysql_query($sql)or die("fallse");
$online=mysql_num_rows($result);
?
<html
<head
<titleuser list</title
<meta http-equiv="Content-Type" content="text/html; charset=gb2312"
<meta http-equiv="Refresh" content="30; url=<? echo $PHP_SELF; ??userid=<?echo $userid?"
</head
<body bgcolor="#6699FF" text="#000000"
<div id="Layer1" style="position:absolute; left:9px; top:37px; width:94px; height:21px; z-index:1"
<div align="center"<font color="#FF9999"<b在线人数</b</font</div
</div
<div id="Layer2" style="position:absolute; left:14px; top:96px; width:105px; height:276px; z-index:2"
<p<i<font size="2" color="#FF9999"
<?
$sql="select userid,id,sex from chat_user";
$result=mysql_query($sql)or die("fallse");
while($row=mysql_fetch_array($result)){
$user=$row['userid'];
$user="<a href='".$PHP_SELF."?userid=".$userid."' onCLick=parent.bottom.user('".$row["id"]."')".$row["id"];
echo $user."</a(".$row["sex"].")<br";
}
?
</font</i</p
<p </p
</div
<div id="Layer3" style="position:absolute; left:20px; top:62px; width:74px; height:11px; z-index:3"
<div align="center"<font size="2" color="#FF9999"(<?echo $online ;?人)</font</div
</div
<p </p
<p </p
</body
</html
