<?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>
Süßes Neues. Ich wollte XML verwenden, um eine einfache Notizblockfunktion zu erstellen, also habe ich einen Code gefunden. Nach der Ausführung können Sie es hinzufügen, aber nicht löschen. Bitte helfen Sie mir, Lehrer. Vielen Dank~