PHP会员登录代码，验证通过，跳转页面后无法获取Cookie的值。
跟踪代码，用户登录验证通过，然后跳转到首页，在首页又有段代码是验证用户是否已登录（Cookie中是否有该用户名），结果Cookie一直为空，在本地测试是正常的。服务器是IIS，本地测试的服务器是Apache.
相关代码如下：
<!--Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--><?phpsession_start ( );require_once( "getRootDir.php" );require_once( "../inc/config.php" );$action = get_param( "action" );$username = get_param( "username" );$password = md5( get_param( "password" ) );if ( $action == "login" ){ $IMGVER_RandomText = $_SESSION['IMGVER_RndText']; $otherpwd = get_param( "otherpwd" ); if ( $IMGVER_RandomText == $otherpwd ) { $query = "select * from house_admin "; $result = mysql_query( $query ); $row = mysql_fetch_array( $result ); if ( $row ) { setcookie( "house_havelogin", "true", time( ) + 36000 ); setcookie( "house_username", $row['house_username'], time( ) + 36000 ); header( "Location: index.php" ); echo "<script language='javascript'>alert('登陆成功！');window.location.href='index.php';"; } else { echo "<script language="javascript">alert('请正确输入用户名和密码！');window.location.href='login1.php';</script>"; exit(); } } else { echo "<script language="javascript">alert('请正确填写验证码！');window.location.href='login1.php';</script>"; exit(); }}?>……略<!--Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--><?phprequire_once ( "checklogin.php" );?>……略
<!--Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--><?phpif ( $_COOKIE['house_username'] == "" || empty( $_COOKIE['house_username'] ) ){ /*这里一直会跑进来，也就是上面的cookie获取失败*/ header( "Location: login1.php" );}?>setcookie( "house_havelogin", "true", time( ) + 36000 ); setcookie( "house_username", $row['house_username'], time( ) + 36000 );print_r($_COOKIE); //header( "Location: index.php" ); echo "<script language="javascript">alert('登陆成功！');window.location.href='index.php';</script>";<br><font color="#e78608">------解决方案--------------------</font><br>上面的if先不要判断 直接 print_f($_COOKIE); 看下有什么结果 或用firecookie插件看下cookie有没有值<br><font color="#e78608">------解决方案--------------------</font><br>1 注释掉 header( "Location: index.php" ); <br>2 在header( "Location: index.php" );下面添加 print_r($row);确认是否有用户信息存在<br>3 在index.php里面添加 echo $_COOKIE['house_username'] ;确认在COOKIE是否有数值<br><br>php.ini 内需要设置<br>output_buffering = on<br><br>程序自身还存在问题，如果登录正常了，那么任何人随便写用户名密码都能登录<br>建议在将查询的SQL加上用户名和密码2个字段进行查询<div class="clear">
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