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聊天室php&mysql(四)

发布时间:2006-10-09 作者: 来源:转载
第四个页面name="index.php"charmain
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}");

?>

charmain

$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."

";

}

}

?>

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