php xml实例 留言本
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2022-06-10 17:17:34
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>";
}
?>
<?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>
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"
"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>