How to use PHP developer mall to implement user favorites function

How to use PHP Developer City to implement user favorites function

With the development of e-commerce, more and more people are beginning to shop online. It is very important for a shopping mall website to provide users with a favorites function, which can help users save their favorite products conveniently and view and purchase them at any time. This article will introduce how to use the PHP Developer City to implement the user favorites function.

1. Database design

First, we need to design a database table to store the data of user favorites. You can create a table named "favorites" with the following structure:

favorites table:

Field name type description
id int primary key, auto-increment
user_id int user ID
product_id int Product ID
created_at datetime Creation time

2. User login and registration

Before implementing the user favorites function, user login and registration must first be implemented Function. For user registration, you can design a registration page, where the user enters user name, password, email and other information, and then inserts this information into the "users" table of the database. User login can design a login page, the user enters the user name and password, and then verifies whether the user information is correct by querying the database.

3. Product list and product details page

The mall website needs to provide a product list and product details page for users to browse and purchase products. The product list page displays multiple product information, and users can click on the product to enter the product details page. On the product details page, the detailed information of the product is displayed, and a "Add to Favorites" button is provided.

4. Favorites page

When a user adds a product to the favorites, a favorites page needs to be provided for the user to view and manage the favorite products. After the user logs in, a "Favorites" option can be added to the top menu and clicked to jump to the Favorites page. On the favorites page, display a list of the user's favorite products, including product pictures, names, prices and other information. At the same time, a "Delete" button is provided, and users can click to delete the product.

5. Implementation logic

When the user clicks the "Add to Favorites" button, the user ID and product ID are sent to the background through an Ajax request. After receiving the request, the backend first determines whether the product has been collected by the user. If it has been collected, the user will be prompted that "the product is already in the collection". If it has not been collected, the user ID and product ID will be inserted. to the "favorites" table.

On the favorites page, when the user clicks the "Delete" button, the ID of the favorite record to be deleted is sent to the background through an Ajax request. After receiving the request, the background deletes the corresponding record in the "favorites" table.

6. Security considerations

When implementing the user favorites function, security issues need to be considered. Some security measures can be added, such as verifying user information, preventing SQL injection, etc.

Summary:

This article introduces how to use the PHP Developer City to implement the user favorites function. Through the implementation of database design, user login and registration, product list and product details pages, and favorites pages, users' needs for convenient storage and management of favorite products can be met. During the implementation process, you also need to pay attention to security issues. I hope this article can help you, and I wish you good luck in developing your website!

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