电脑技术学习

聊天室php&mysql(四)

dn001
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}");

?>

<html>
<head>
<title>charmain</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());
;;;;;if($rowt2=mysql_fetch_array($result))
;;;;;$bojectt5=$rowt2["id"];
;;;;;else $bojectt5="大家"



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

;;;;;$user1="<a href='".$PHP_SELF."?userid=$userid';;onClick=parent.bottom.user('".$usert5."')>".$usert5."</a>"
;;;;;}
;;;;;else $user1=$usert5;
;;;;;if($row["object"]!=$userid){

;;;;;$user2="<a href='".$PHP_SELF."?userid=$userid';;onClick=parent.bottom.user('".$bojectt5."')>".$bojectt5."</a>"}
;;;;;else $user2=$bojectt5;
;;;;;$message2=$row["message"];
;;;;;$message3=htmlspecialchars($message2);

$message1="<font size=3 color=".$row["color"]."><i>".$user1."</i>&nbsp;对".$user2."&nbsp;<i>".$row["action1"].": </i>".$message3."</font>" ;

;;;;if($row["status"]==1){
;if($row["object"]==$userid||$row["userid"]==$userid)
echo "<font size=2 color=ff0000 >私聊</font>".$time1." ".$message1."<br>"
;else continue;
;}
;;;;else {;;
echo $time1." ".$message1."<br>"
;;;;;;
;}
;;;;}
;;;;;
?>
</body>
</html>

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