PHP backend design: list of functional modules

With the rapid development of the Internet, website applications are becoming more and more popular. The backend management system in Internet applications is a very important component, which is directly related to the operation and maintenance of the website. As a widely used back-end language, PHP's back-end development is also becoming increasingly mature. This article will introduce some common core functional modules and specific code examples in PHP backend design.

1. User Management Module

The user management module is one of the core modules of the backend management system, and its main function is to manage user information. Specifically, it includes account management, role permission management, login log management, etc. The following is a basic account management example:

// 添加用户
$stmt = $mysqli->prepare("INSERT INTO users(user_name, password) VALUES (?, ?)");
$stmt->bind_param("ss", $user_name, $password);
$stmt->execute();

// 更新密码
$stmt = $mysqli->prepare("UPDATE users SET password=? WHERE user_id=?");
$stmt->bind_param("si", $password, $user_id);
$stmt->execute();

// 删除用户
$stmt = $mysqli->prepare("DELETE FROM users WHERE user_id = ?");
$stmt->bind_param("i", $user_id);
$stmt->execute();

2. Content management module

The content management module is one of the most common functional modules in the backend management system and is mainly responsible for Implement website content management. The content management module includes article management, picture management, comment management, classification tag management, data statistics, etc. The following is a basic article management example:

// 添加文章
$stmt = $mysqli->prepare("INSERT INTO articles(title, content, category_id) VALUES (?, ?, ?)");
$stmt->bind_param("ssi", $title, $content, $category_id);
$stmt->execute();

// 更新文章
$stmt = $mysqli->prepare("UPDATE articles SET title=?, content=?, category_id=? WHERE article_id=?");
$stmt->bind_param("ssii", $title, $content, $category_id, $article_id);
$stmt->execute();

// 删除文章
$stmt = $mysqli->prepare("DELETE FROM articles WHERE article_id = ?");
$stmt->bind_param("i", $article_id);
$stmt->execute();

3. Order management module

The order management module is an essential core module in the e-commerce backend management system. Its main The function is to manage order information. Specifically, it includes order inquiries, order status changes, order refunds, etc. The following is a basic order management example:

// 查询订单
$stmt = $mysqli->prepare("SELECT * FROM orders WHERE order_id = ?");
$stmt->bind_param("i", $order_id);
$stmt->execute();
$result = $stmt->get_result();

// 更新订单状态
$stmt = $mysqli->prepare("UPDATE orders SET status=? WHERE order_id=?");
$stmt->bind_param("si", $status, $order_id);
$stmt->execute();

// 订单退款
$stmt = $mysqli->prepare("UPDATE orders SET status=?, refund_time=?, refund_reason=? WHERE order_id=?");
$stmt->bind_param("sssi", $status, $refund_time, $refund_reason, $order_id);
$stmt->execute();

4. Setting management module

The setting management module is used to complete the configuration and settings of the backend management system. Specifically, it includes site information maintenance, email settings, SMS settings, third-party interface settings, etc. The following is a basic site information management example:

// 更新站点信息
$stmt = $mysqli->prepare("UPDATE settings SET site_name=?, site_url=?, site_logo=? WHERE setting_id=1");
$stmt->bind_param("sss", $site_name, $site_url, $site_logo);
$stmt->execute();

// 查询站点信息
$stmt = $mysqli->prepare("SELECT * FROM settings WHERE setting_id = 1");
$stmt->execute();
$result = $stmt->get_result();
$settings = $result->fetch_array();

The above are the core functional modules and specific code examples in common PHP backend design. Of course, these examples are just the basics, and there are many details to consider in practical applications. During the development process, corresponding functional modules must be designed according to different business needs to improve the efficiency and security of the website. Especially in terms of user management and order management, we must pay attention to system security, such as the prevention of SQL injection, XSS attacks and other issues, to protect the security of the website and users.

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