Second-hand recycling website developed using PHP supports virtual commodity management

Using PHP to develop a second-hand recycling website to support virtual commodity management

As people’s awareness of environmental protection increases, the second-hand recycling market is gradually emerging. In order to conveniently manage and trade second-hand items, it is a good choice to use PHP to develop a second-hand recycling website. Moreover, the demand for virtual goods in modern society is also increasing. Therefore, this article will introduce how to develop a second-hand recycling website and support the management function of virtual goods.

1. Project preparation
Before starting development, we need to install the AMP (Apache, MySQL and PHP) environment and configure the database connection. Next, we will use the MVC (Model-View-Controller) architecture to divide the project into three parts: model, view and controller.

2. Database design

1. User table (users): used to store user registration information, including user ID, user name, password, etc.

CREATE TABLE users (
id int(11) NOT NULL AUTO_INCREMENT,
username varchar(50 ) NOT NULL,
password varchar(255) NOT NULL,
email varchar(100) NOT NULL,
PRIMARY KEY (id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;

2. Product table (products): used to store product information, including product ID, product name, product description, etc.

CREATE TABLE products (
id int(11) NOT NULL AUTO_INCREMENT,
name varchar(100 ) NOT NULL,
description text NOT NULL,
price decimal(10,2) NOT NULL,
user_id int(11 ) NOT NULL,
PRIMARY KEY (id),
FOREIGN KEY (user_id) REFERENCES users (id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;

3. Virtual product table (virtual_products): used to store virtual product information, including virtual product ID, product ID, product key, etc. Virtual products are associated with the product table through product IDs.

CREATE TABLE virtual_products (
id int(11) NOT NULL AUTO_INCREMENT,
product_id int(11 ) NOT NULL,
product_key varchar(100) NOT NULL,
PRIMARY KEY (id),
FOREIGN KEY (product_id) REFERENCES products (id)
) ENGINE=InnoDB DEFAULT CHARSET=utf8;

3. Model development

1. User model (UserModel.php): Responsible for processing user-related logic, including user registration, login, querying user information, etc.

class UserModel {
public function register($username, $password, $email) {

}
}
?>

5. View development

1. User registration view (register.php): Contains the form for user registration.
2. User login view (login.php): Contains the form for user login.
3. Product creation view (create_product.php): Contains the form for creating products.

After developing the above code, we can access the corresponding page in the browser for testing. The above code is only an example and needs to be further expanded and optimized according to needs in actual development.

Summary:
This article introduces how to use PHP to develop a second-hand recycling website that supports virtual commodity management. By designing databases, developing models, controllers and views, functions such as user registration, login, product creation and virtual product management are implemented. I hope this article can be helpful to PHP developers when developing second-hand recycling websites.

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