Posted in PHP onMarch 20, 2009
<?php
//打开用于存储留言的XML文件
$guestbook = simplexml_load_file('DB/guestbook.xml'); foreach($guestbook->thread as $th) //循环读取XML数据中的每一个thread标签
{
echo "<B>标题：</B>".$th->title."<BR>";
echo "<B>作者：</B>".$th->author."<BR>";
echo "<B>内容：</B><PRE>".$th->content."</PRE>";
echo "<HR>";
}
?>
<?php
$guestbook = new DomDocument(); //创建一个新的DOM对象
$guestbook->load('DB/guestbook.xml'); //读取XML数据
$threads = $guestbook->documentElement; //获得XML结构的根
//创建一个新thread节点
$thread = $guestbook->createElement('thread');
$threads->appendChild($thread);
//在新的thread节点上创建title标签
$title = $guestbook->createElement('title');
$title->appendChild($guestbook->createTextNode($_POST['title']));
$thread->appendChild($title);
//在新的thread节点上创建author标签
$author = $guestbook->createElement('author');
$author->appendChild($guestbook->createTextNode($_POST['author']));
$thread->appendChild($author);
//在新的thread节点上创建content标签
$content = $guestbook->createElement('content');
$content->appendChild($guestbook->createTextNode($_POST['content']));
$thread->appendChild($content);
//将XML数据写入文件
$fp = fopen("DB/guestbook.xml", "w");
if(fwrite($fp, $guestbook->saveXML()))
echo "留言提交成功";
else
echo "留言提交失败";
fclose($fp);
?>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> <html> <head> <title>发表新的留言</title> <meta http-equiv="Content-Type" content="text/html; charset=gb2312"> </head> <body> <H1><p align="center">发表新的留言</p></H1> <form name="form1" method="post" action="Post.php"> <table width="500" border="0" align="center" cellpadding="0" cellspacing="0"> <tr> <td>标题</td> <td><input name="title" type="text" id="title" size="50"></td> </tr> <tr> <td>作者</td> <td><input name="author" type="text" id="author" size="20"></td> </tr> <tr> <td>内容</td> <td><textarea name="content" cols="50" rows="10" id="content"></textarea></td> </tr> </table> <p align="center"> <input type="submit" value="Submit"> <input type="reset" value="Reset"> </p> </form> </body> </html>
php xml实例 留言本
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