聊天室php&mysql(一)

//第一个页面 name="index1.php"

<?

include "../signup/mysql.php";
$time1=time();
//$userid=983530409;
echo $n;

if($n==1){
$userid=time();
$nick="g".$userid;
$last_time=$userid;
$sql="insert into chat_user (userid,id,last_time) values ('$userid','$nick','$last_time')";
mysql_query($sql)or die(mysql_error());

$sql="insert into chat_user_list (userid,id,last_time) values ('$userid','$nick','$last_time')";
mysql_query($sql)or die(mysql_error());

echo"LOADING ........";
echo "";

}

if($n==983530409)
{

$sql="select userid,sex,passwd from user where id='$n'";
$result=mysql_query($sql);
$row=mysql_fetch_array($result);
$nick=$row["userid"];
$passwd=$row["passwd"];
$sex=$row["sex"];

$sql="insert into chat_user (userid,passwd,sex,last_time,id)values('$n','$passwd','$sex','$time1','$nick')";
mysql_query($sql)or die(mysql_error());

echo"LOADING ........";
echo "";
}

?>