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PHP enterprise-level application architecture and design practical experience sharing

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2024-05-08 16:12:01859browse

In enterprise-level PHP applications, domain-driven design (DDD), service layer architecture, microservice architecture, and event-driven architecture are common architectural methods. DDD emphasizes modeling of the business domain, service layer architecture separates business logic and presentation layer/data access layer, microservices architecture decomposes applications into independent services, and EDA uses event messaging to trigger actions. Practical cases show how to apply these architectures in e-commerce websites and ERP systems.

PHP 企业级应用架构与设计实战经验分享

PHP Enterprise-level application architecture and design practical experience sharing

Domain-driven design (DDD)

In enterprise-level PHP applications , Domain-driven design (DDD) is a common architectural approach. DDD emphasizes the modeling of the business domain rather than the implementation of technology. By defining domain concepts such as bounded contexts, entities, and value objects, DDD can improve the readability, maintainability, and scalability of code.

Service layer architecture

The service layer architecture is a layered architecture that separates the application's business logic from the presentation layer and data access layer. The service layer is responsible for handling business rules, initiating queries, and saving changes. A more fine-grained division can be further divided into application layer and domain layer, which handle application-level and domain-level business logic respectively.

Microservices Architecture

Microservices architecture is a modern approach to creating large-scale applications. It breaks the application into independent, loosely coupled smaller services. Each microservice focuses on specific responsibilities and can communicate through APIs. Microservices architecture provides scalability, fault tolerance, and resiliency.

Event-driven architecture

Event-driven architecture (EDA) is an asynchronous architecture that uses event messaging to trigger actions. When a specific event occurs, the application generates an event, which is processed by the messaging system. Subscribers can listen to events and take appropriate actions. EDA improves the loose coupling and responsiveness of applications.

Practical case

Case: E-commerce website

  • ##Domain-driven design:Using DDD bounded context , entities and value objects to represent domain concepts such as customers, orders and products.
  • Service layer architecture: An application layer is created to handle application-level business logic, and a domain layer is created to handle domain-level business logic.
  • Microservice architecture: Decompose the website into microservices such as orders, inventory and logistics.
  • Event-driven architecture: When an order is created, an order creation event is generated. Other services can subscribe to the event and take appropriate actions, such as updating inventory or scheduling shipments.

Case: Enterprise Resource Planning (ERP) System

  • Domain Driven Design: Using DDD's bounded context, Entity and value objects are used to represent domain concepts such as suppliers, orders, and inventory.
  • Service layer architecture: Uses a layered service architecture to separate business logic from the presentation layer and data access layer.
  • Microservice architecture: Decompose the ERP system into microservices such as procurement, logistics and finance.
  • Event-driven architecture: When an order is processed, an order processing event is generated. Other services can subscribe to the event and take appropriate actions, such as updating inventory or generating an invoice.

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