php留言板显示不了用户解决办法

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Release: 2016-06-13 13:30:30
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php留言板显示不了用户
(这个不知道有传上图片) 我的留言板里,留言了,但是留言人没显示出来。。我发现不了 - -!求指点、。。。代码奉上(不知道是这段代码不) (我的数据库也没用户名,也是空白的)
  /*
 * Created on 2012-3-23
 *
 * To change the template for this generated file go to
 * Window - Preferences - PHPeclipse - PHP - Code Templates
 */
 include_once("comm.php");
 $conn = mysql_connect("localhost","root","123456") or die("无法建立连接!");

 mysql_select_db("lyb") or die(mysql_error()."数据库无法打开");

 $title = $_POST['title'];

 $type = $_POST['type'];

 $content = $_POST['content'];

 $date_time = date("Y-m-d H:m:s");

 $author = $_SESSION['user'];

 if($content!="" and $title!=""){
$sql = "insert into lyb_table (subject,type,content,publish_time,user) values('$title','$type','$content','$date_time','$author')";
mysql_query("set names 'gb2312'");
mysql_query($sql,$conn);
get_show_msg("lyb.php","留言成功!");
 }else{
  get_show_msg("lyb.php","留言填写错误,请重新填写!");
 }

 mysql_close($conn);


?>



------解决方案--------------------
session_start()未开启;我看你插入数据库的字段名是user,你输出$row['author'];

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