聊天室php&mysql(四)
2016-01-29 14:32
聊天室php&mysql(四),聊天室php&mysql(四)
<?
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}");
?
<html
<head
<titlecharmain</title
<meta http-equiv="Content-Type" content="text/html; charset=gb2312"
<meta http-equiv="Refresh" content="4; url=<? echo $PHP_SELF; ??userid=<?echo $userid?"
</head
<body bgcolor="#99CCFF" text="#000000"
<?
$max_row_length=30;
$select="select row from user_message order by row DESC";
$result=mysql_query($select)or die(" false fgfg");
$rowlist=mysql_fetch_array($result)or die("false");
$max_row=$rowlist["row"];
if($max_row$max_row_length){
$delete_row=$max_row-$max_row_length+1;
// echo $max_row."<br".$delete_row;
$select="select row from user_message where row<".$delete_row;
$result=mysql_query($select)or die(" false");
while($row=mysql_fetch_array($result))
{
$sql="delete from user_message where row <".$delete_row;
mysql_query($sql)or die ("del false1");
}
$left=$delete_row;
}
else {$left=1;
}
for($i=$max_row; $i=$left ;$i--)
{
$sql="SELECT message,userid,object,status,color,action1,time1 FROM user_message where row='$i'";
$result=mysql_query($sql)or die(mysql_error());
$row=mysql_fetch_array($result);
$time1=$row["time1"];
$usert1=$row["userid"];
$objectt1=$row["object"];
$sql="select id from chat_user_list where userid='$usert1'";
$result=mysql_query($sql)or die(mysql_error());
$rowt1=mysql_fetch_array($result);
$usert5=$rowt1["id"];
$sql="select id from chat_user_list where userid='$objectt1'";
$result=mysql_query($sql)or die(mysql_error());
&nb
