php图片上传mysql

<?php
// 检查是否有文件上传
if (isset($_FILES['image'])) {
    $file = $_FILES['image'];
    
    // 检查文件是否上传成功
    if ($file['error'] === UPLOAD_ERR_OK) {
        // 获取文件信息
        $fileName = $file['name'];
        $fileTmpName = $file['tmp_name'];
        $fileSize = $file['size'];
        $fileType = $file['type'];
        
        // 连接MySQL数据库
        $conn = new mysqli('localhost', 'username', 'password', 'database');
        if ($conn->connect_error) {
            die("连接失败: " . $conn->connect_error);
        }
        
        // 将图片数据插入到数据库中
        $stmt = $conn->prepare("INSERT INTO images (name, data, size, type) VALUES (?, ?, ?, ?)");
        $stmt->bind_param("siss", $fileName, $fileTmpName, $fileSize, $fileType);
        $stmt->execute();
        
        // 关闭连接
        $stmt->close();
        $conn->close();
        
        echo "图片上传成功!";
    } else {
        echo "图片上传失败!";
    }
}
?>

<!-- HTML表单 -->
<form action="" method="post" enctype="multipart/form-data">
    <input type="file" name="image">
    <input type="submit" value="上传">
</form>