php xml实例 留言本
2018-09-08 01:01
复制代码 代码如下:
<?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>;
}
?>
复制代码 代码如下:
<?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);
?>
复制代码 代码如下:
<!DOCTYPE HTML PUBLIC -//W3C//DTD HTML 4.01 Transitional//EN
<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>