<?php
// 定义XML文件路径和记事本数据表名
$xmlFilePath = 'data.xml';
$tableName = 'notes';
// 创建数据库连接（XML文件）
$xml = simplexml_load_file($xmlFilePath);
// 添加记事本记录
if (isset($_POST['submit'])) {
$title = $_POST['title'];
$content = $_POST['content'];
// 在XML文件中创建新的记事本记录
$newNote = $xml->addChild('note');
$newNote->addChild('title', $title);
$newNote->addChild('content', $content);
// 保存XML文件
$xml->asXML($xmlFilePath);
}
// 删除记事本记录
if (isset($_GET['delete'])) {
$noteId = $_GET['delete'];
// 在XML文件中删除指定记事本记录
foreach ($xml->xpath("//note[@id='$noteId']") as $note) {
$noteParent = $note->xpath('..');
unset($noteParent[0][$note->getName()]);
}
// 保存XML文件
$xml->asXML($xmlFilePath);
}
/*if (isset($_GET['delete'])) {
$noteId = $_GET['delete'];
$notes = $xml->xpath("//note[@id='$noteId']");
if (isset($notes[0])) {
unset($notes[0]);
}
$xml->asXML($xmlFilePath);
}
*/
// 更新记事本记录
if (isset($_POST['update'])) {
$noteId = $_POST['id'];
$title = $_POST['title'];
$content = $_POST['content'];
// 在XML文件中更新指定记事本记录
foreach ($xml->xpath("//note[@id='$noteId']") as $note) {
$note->title = $title;
$note->content = $content;
}
// 保存XML文件
$xml->asXML($xmlFilePath);
}
// 查询记事本记录
$notes = $xml->xpath("//note");
?>
<!DOCTYPE html>
<html>
<head>
<title>网络记事本</title>
</head>
<body>
<h1>网络记事本</h1>
<!-- 添加记事本记录 -->
<form method="post" action="">
<label for="title">标题:</label>
<input type="text" name="title" id="title" required><br><br>
<label for="content">内容:</label><br>
<textarea name="content" id="content" rows="4" cols="50" required></textarea><br><br>
<input type="submit" name="submit" value="添加记录">
</form>
<!-- 显示记事本记录 -->
<h2>记事本记录</h2>
<ul>
<?php foreach ($notes as $note): ?>
<li id="note_<?php echo $note->id; ?>">
标题: <?php echo $note->title; ?>, 内容: <?php echo $note->content; ?>
<a href="?delete=<?php echo $note->id; ?>">删除</a>
</li>
<?php endforeach; ?>
</ul>
</body>
</html>萌新一枚。想用XML弄个一简单的记事本功能，找了一个代码。运行完之后可以添加，不过不能删除呢。请老师帮我一下。谢谢~
