


How to implement the product original price promotion function in PHP Developer City
How to implement the original price promotion function of goods in PHP Developer City
With the development and popularity of e-commerce, more and more merchants choose to open their own shopping malls online. In shopping malls, promotional activities are one of the important means to attract consumers, and original price promotion of goods is a common and effective marketing method. This article will introduce how to implement the original price promotion function of goods in a mall developed in PHP.
1. Database design
Before realizing the function of product original price promotion, database design needs to be carried out first. Create a product table, including product ID, product name, original price and other fields. Then create a promotion table, including promotion activity ID, activity type, start time, end time and other fields. In order to associate products and promotions, you can add a promotion ID foreign key to the product table.
2. Backend management system
When developing a PHP store, there is usually a backend management system used to manage information such as products, orders, users, etc. In the background management system, a promotion management module is added to manage promotional activities.
- Add promotions
The administrator can add promotions in the background management system. You need to enter relevant information such as the name, type, start time, and end time of the promotion.
- Associating promotions and products
In the process of adding products, the administrator can choose to associate the product with a certain promotion. On the product edit page, add a drop-down menu for selecting promotions. When a promotion is selected, the promotion ID is saved to the Promotion ID field in the product table.
- Query products for promotional activities
In order to display products for promotional activities, a query function can be provided in the promotion management module. The administrator can enter the promotion ID, and the system will query the products associated with the promotion. Display product information, including product ID, name, original price, etc.
3. Front-end display page
In order to enable users to see promotions and participate in purchases, the front-end page needs to be displayed and modified accordingly.
- Home page promotion carousel image
On the homepage of the mall, you can set up a promotion carousel image module to display products in ongoing promotions. Administrators can set the display quantity and sorting method of carousel images in the background management system.
- Display promotional information on the product details page
When a user clicks on a product to enter the product details page, the promotional information for the product needs to be displayed. The name, type, start time, and end time of the promotion can be displayed on the product details page.
- Promotion tag display
The mall's product list page can add a label to each promotional product to highlight the product's special price information. You can mark the discount intensity or price reduction amount of the product, etc.
4. Price calculation
In order to calculate the final price of the product at settlement, price calculation and adjustment are required.
- Original price calculation
When the user adds the product to the shopping cart, it needs to be calculated based on the original price of the product. The original price of the product can be displayed on the shopping cart page.
- Promotional price calculation
When the user enters the checkout page, the promotional price needs to be calculated based on the product's promotion activities. You can display the promotional price of the product on the checkout page.
The above is the method to realize the original price promotion function of goods in PHP Developer City. Through steps such as database design, backend management system, frontend display page and price calculation, the original price promotion function of the product can be well realized. This function can enhance the attractiveness and competitiveness of the mall and drive sales growth. At the same time, merchants can also evaluate and adjust based on the effectiveness of promotional activities to achieve better marketing results.
The above is the detailed content of How to implement the product original price promotion function in PHP Developer City. For more information, please follow other related articles on the PHP Chinese website!

PHP is used to build dynamic websites, and its core functions include: 1. Generate dynamic content and generate web pages in real time by connecting with the database; 2. Process user interaction and form submissions, verify inputs and respond to operations; 3. Manage sessions and user authentication to provide a personalized experience; 4. Optimize performance and follow best practices to improve website efficiency and security.

PHP uses MySQLi and PDO extensions to interact in database operations and server-side logic processing, and processes server-side logic through functions such as session management. 1) Use MySQLi or PDO to connect to the database and execute SQL queries. 2) Handle HTTP requests and user status through session management and other functions. 3) Use transactions to ensure the atomicity of database operations. 4) Prevent SQL injection, use exception handling and closing connections for debugging. 5) Optimize performance through indexing and cache, write highly readable code and perform error handling.

Using preprocessing statements and PDO in PHP can effectively prevent SQL injection attacks. 1) Use PDO to connect to the database and set the error mode. 2) Create preprocessing statements through the prepare method and pass data using placeholders and execute methods. 3) Process query results and ensure the security and performance of the code.

PHP and Python have their own advantages and disadvantages, and the choice depends on project needs and personal preferences. 1.PHP is suitable for rapid development and maintenance of large-scale web applications. 2. Python dominates the field of data science and machine learning.

PHP is widely used in e-commerce, content management systems and API development. 1) E-commerce: used for shopping cart function and payment processing. 2) Content management system: used for dynamic content generation and user management. 3) API development: used for RESTful API development and API security. Through performance optimization and best practices, the efficiency and maintainability of PHP applications are improved.

PHP makes it easy to create interactive web content. 1) Dynamically generate content by embedding HTML and display it in real time based on user input or database data. 2) Process form submission and generate dynamic output to ensure that htmlspecialchars is used to prevent XSS. 3) Use MySQL to create a user registration system, and use password_hash and preprocessing statements to enhance security. Mastering these techniques will improve the efficiency of web development.

PHP and Python each have their own advantages, and choose according to project requirements. 1.PHP is suitable for web development, especially for rapid development and maintenance of websites. 2. Python is suitable for data science, machine learning and artificial intelligence, with concise syntax and suitable for beginners.

PHP is still dynamic and still occupies an important position in the field of modern programming. 1) PHP's simplicity and powerful community support make it widely used in web development; 2) Its flexibility and stability make it outstanding in handling web forms, database operations and file processing; 3) PHP is constantly evolving and optimizing, suitable for beginners and experienced developers.


Hot AI Tools

Undresser.AI Undress
AI-powered app for creating realistic nude photos

AI Clothes Remover
Online AI tool for removing clothes from photos.

Undress AI Tool
Undress images for free

Clothoff.io
AI clothes remover

AI Hentai Generator
Generate AI Hentai for free.

Hot Article

Hot Tools

SublimeText3 Linux new version
SublimeText3 Linux latest version

SAP NetWeaver Server Adapter for Eclipse
Integrate Eclipse with SAP NetWeaver application server.

VSCode Windows 64-bit Download
A free and powerful IDE editor launched by Microsoft

Dreamweaver Mac version
Visual web development tools

Atom editor mac version download
The most popular open source editor