phpcms评论添加图片

<form action="submit_comment.php" method="post" enctype="multipart/form-data">
    <textarea name="comment" placeholder="请输入评论"></textarea>
    <input type="file" name="image[]" multiple>
    <input type="submit" value="提交评论">
</form>

<?php
// submit_comment.php
if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    $comment = $_POST['comment'];
    $images = $_FILES['image'];

    // 连接数据库
    $db = new PDO('mysql:host=localhost;dbname=phpcms', 'username', 'password');

    // 插入评论
    $stmt = $db->prepare("INSERT INTO comments (comment) VALUES (:comment)");
    $stmt->bindParam(':comment', $comment);
    $stmt->execute();

    $comment_id = $db->lastInsertId();

    // 处理图片上传
    foreach ($images['name'] as $key => $value) {
        if ($images['error'][$key] === UPLOAD_ERR_OK) {
            $file_name = $images['name'][$key];
            $file_tmp = $images['tmp_name'][$key];
            $file_size = $images['size'][$key];
            $file_type = $images['type'][$key];

            // 移动文件到指定目录
            $upload_dir = 'uploads/';
            if (!file_exists($upload_dir)) {
                mkdir($upload_dir, 0777, true);
            }
            $file_path = $upload_dir . $file_name;
            move_uploaded_file($file_tmp, $file_path);

            // 插入图片信息到数据库
            $stmt = $db->prepare("INSERT INTO comment_images (comment_id, file_path) VALUES (:comment_id, :file_path)");
            $stmt->bindParam(':comment_id', $comment_id);
            $stmt->bindParam(':file_path', $file_path);
            $stmt->execute();
        }
    }

    echo '评论提交成功！';
}
?>

<?php
// display_comments.php
$db = new PDO('mysql:host=localhost;dbname=phpcms', 'username', 'password');

$stmt = $db->query("SELECT * FROM comments");
$comments = $stmt->fetchAll(PDO::FETCH_ASSOC);

foreach ($comments as $comment) {
    echo '<div class="comment">';
    echo '<p>' . htmlspecialchars($comment['comment']) . '</p>';

    $stmt = $db->prepare("SELECT * FROM comment_images WHERE comment_id = :comment_id");
    $stmt->bindParam(':comment_id', $comment['id']);
    $stmt->execute();
    $images = $stmt->fetchAll(PDO::FETCH_ASSOC);

    foreach ($images as $image) {
        echo '<img src="' . htmlspecialchars($image['file_path']) . '" alt="评论图片">';
    }

    echo '</div>';
}
?>