<?php
header('Content-Type: text/xml');
include"../config.inc.php";
$obj = new dbConnection();
$sql = "select * from Union_Data order by Data_gengxintime limit 100";
$result = $obj -> Connection($sql); 
$xml="";
while($arrRow = mysql_fetch_assoc($result)){
$xml .= "<union_data>\n";
$xml .= "<Data_id>".$arrRow["Data_id"]."</Data_id>\n";
$xml .= "<Data_pianming>".$arrRow["Data_pianming"]."</Data_pianming>\n";
$xml .= "<Data_bieming>金刚</Data_bieming>\n";
$xml .= "<Data_leibie>2</Data_leibie>\n";
$xml .= "<Data_leixing>27</Data_leixing>\n";
$xml .= "<Data_diqu>美国</Data_diqu>\n";
$xml .= "<Data_daoyan>导演</Data_daoyan>\n";
$xml .= "<Data_zhuyan>主演</Data_zhuyan>\n";
$xml .= "<Data_shouying>2006</Data_shouying>\n";
$xml .= "<Data_pianchang>120</Data_pianchang>\n";
$xml .= "<Data_jishu>1</Data_jishu>\n";
$xml .= "<Data_peiyin>英语</Data_peiyin>\n";
$xml .= "<Data_zimu>中文</Data_zimu>\n";
$xml .= "<Data_shuoming></Data_shuoming>\n";
$xml .= "<Data_miaoshu>描述暗暗暗暗暗暗</Data_miaoshu>\n";
$xml .= "<Data_zhuangtai>0</Data_zhuangtai>\n";
$xml .= "<Data_haibao>61465148.jpg</Data_haibao>\n";
$xml .= "<Data_dianji>1</Data_dianji>\n";
$xml .= "<Data_tuijian>1</Data_tuijian>\n";
$xml .= "<Data_shenhe>1</Data_shenhe>\n";
$xml .= "<Data_lurenzhe>admin</Data_lurenzhe>\n";
$xml .= "<Data_gengxintime>2009-02-23 17:47:56</Data_gengxintime>\n";
$xml .= "<Data_tianjiatime>2009-02-23 15:32:50</Data_tianjiatime>\n";
$xml .= "</union_data>\n";
}
//echo $xml;
//exit;
echo "<?xml version=\"1.0\" encoding=\"utf-8\"?>\n";
echo "<data>\n";
echo $xml;
echo "</data>";
?>
浏览提示错误: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。 
--------------------------------------------------------------------------------文本内容中发现无效字符。处理资源 'xml.php' 时出错。第 5 行,位置: 16 <Data_pianming>
如果把
$xml .= "<Data_id>".$arrRow["Data_id"]."</Data_id>\n";
$xml .= "<Data_pianming>".$arrRow["Data_pianming"]."</Data_pianming>\n";
代码换成
$xml .= "<Data_id>aaaaaaaaaaaaaaa</Data_id>\n";
$xml .= "<Data_pianming>bbbbbbbbbbbbbbbbbbbbbbb</Data_pianming>\n";就能正常输出了,这里不能这么写吗?
如果要从数据库里输出XML 该怎么写? 谁有例子?