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聊天室php&mysql(四)

 2001-03-29 16:34:32 来源:WEB开发网   
核心提示:第四个页面 name="index.php" <? include "../signup/MySQL.php"; header("Expires: Sun, 28 Dec 1997 09:32:45 GMT"); header("Cache-C
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>".$user1."</i> 对".$user2." <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>

Tags:聊天室 php amp

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