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聊天室php&mysql(四)

2009-08-01/08:11

软件频道

编程学院

PHP

实例源码

正文

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 $max_row." ".$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);

$message1="".$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." ";

 }
 }

?>
</body>
</html>

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