What Can Three Kingdoms Heroes Teach Us About Building a Robust Web Framework?

I have been engaged in web development for ten years, recently focusing on Weibo application products, ranging from native PHP sites to large CMS/BBS integrations and from popular open‑source frameworks to mature platform‑level frameworks.

To help readers deeply understand each framework module, I matched module roles with characters from the Three Kingdoms, purely for fun and better comprehension.

A mature framework diagram is shown below:

1. Single Entry (index.php) – Gatekeeper Guan Yu

All requests must pass through this gate, making it crucial for request security and the overall framework integrity.

2. Router – Guide Xu Shu

The router directs traffic to different controllers based on host headers or URI patterns, enabling system migration, upgrades, and business expansion, while being a common source of online failures if changed improperly.

3. Controller – Shopkeeper Cao Cao

The controller validates GET/POST parameters, makes business decisions, invokes appropriate services, and formats responses (JSON, HTML, binary). It should contain minimal business logic to keep the model layer clean.

4. Business Model Layer – Diligent Zhuge Liang

This layer implements core business logic, requiring clear, reusable, and well‑documented code to adapt to changing requirements and personnel.

5. View – Warrior Lü Bu

The view layer handles template rendering; the YAF framework used at Weibo employs a PHP‑like syntax that is simple and high‑performance.

6. Asynchronous Processing (Queue, Cron) – Hero Zhao Yun

High‑concurrency sites like Weibo rely on queues and scheduled tasks; monitoring and logging are essential for early issue detection.

7. API Layer – Diplomat Lu Su

The API layer must provide clear internal contracts and stable external interfaces, acting as a bridge between services.

8. Data Layer – Rear Guard Xiahou Dun

Designing the data layer involves choosing storage types (MySQL, Redis, etc.), sharding, caching strategies, and CRUD interfaces, which greatly affect future scalability.

9. Cache Layer – General Zhang Liao

Cache should be designed alongside the data layer, supporting database, API, and business data caching with unified update/clear interfaces.

10. Common Library – Strategist Guo Jia

The library can contain utilities such as DB, cache, HTTP, string handling, security filtering, type conversion, and authentication.

After the character analogy, the final framework expectations are:

Clear structure and easy‑to‑write code

Well‑defined conventions to reduce errors

Good operability

Friendly compatibility with third‑party components

Excellent performance

Powerful feature integration

A good framework reduces both human and computational costs, boosts developer productivity, and creates valuable technical assets for the company.