XML的异常在哪里啊

WBOY

Release： 2016-06-13 13:16:08

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XML的错误在哪里啊？
header('Content-Type: text/xml ');
echo '';
echo '';
$link=mysqli_connect('localhost','root','root','tbr_121d')
or die('fail to connect to the database');
$query="SELECT * FROM drill";
$result=mysqli_query($link,$query);
while($row=mysqli_fetch_object($result)) {
echo ''.$row->question.'';
echo '';
echo '';
echo '';
echo '';
}
echo '';
mysqli_close($link);
?>

--------------------------------
无法显示 XML 页。
使用 XSL 样式表无法查看 XML 输入。请更正错误然后单击刷新按钮，或以后重试。

--------------------------------------------

XML 文档只能有一个顶层元素。处理资源 'http://localhost/loading_drill' 时出错。第 2 行，位置: 2

Warning: Cannot modify header information - headers already sent by (output started at C:\AppServ\www\lo...
-------------------------------

------解决方案--------------------

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