聊天室php&mysql(四)_PHP教程

第四个页面 name="index.php"

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}");

?>











$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 $max_row."
".$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());
if($rowt2=mysql_fetch_array($result))
$bojectt5=$rowt2["id"];
else $bojectt5="大家";



if($row["userid"]!=$userid){

$user1="".$usert5."";
}
else $user1=$usert5;
if($row["object"]!=$userid){

$user2="".$bojectt5.""; }
else $user2=$bojectt5;
$message2=$row["message"];
$message3=htmlspecialchars($message2);

$message1="".$user1." 对".$user2." ".$row["action1"].": ".$message3."" ;

if($row["status"]==1){
if($row["object"]==$userid||$row["userid"]==$userid)
echo "私聊".$time1." ".$message1."
";
else continue;
}
else {
echo $time1." ".$message1."
";

}
}

?>

http://www.bkjia.com/PHPjc/315984.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc/315984.htmlTechArticle第四个页面 name=index.php ? include ../signup/mysql.php; header(Expires: Sun, 28 Dec 1997 09:32:45 GMT); header(Cache-Control: no-cache, must-revalidate); header(Pragma: no-cac...