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聊天室php&mysql(四)

ReadyGo!技术成就梦想 网络搜索 efish 2008-2-24 3:08:15
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;


    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;

     $usert1=$row;
     $objectt1=$row;
     $sql="select id from chat_user_list where userid="$usert1"";
     $result=mysql_query($sql)or die(mysql_error());
     $rowt1=mysql_fetch_array($result);
     $usert5=$rowt1;

     $sql="select id from chat_user_list where userid="$objectt1"";
     $result=mysql_query($sql)or die(mysql_error());
     if($rowt2=mysql_fetch_array($result))
     $bojectt5=$rowt2;
     else $bojectt5="大家";



     if($row!=$userid){

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

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

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

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