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Top Architecture Tech Stack
Top Architecture Tech Stack
May 21, 2025 · Backend Development

Understanding DTO, BO, PO, and VO in Backend Development

This article explains the concepts of Data Transfer Object (DTO), Business Object (BO), Persistent Object (PO), and Value Object (VO) in backend development, shows how they differ and interact across layers, and provides Java code examples and a global configuration to filter null fields during serialization.

Backend DevelopmentJavaModel Layer
0 likes · 7 min read
Understanding DTO, BO, PO, and VO in Backend Development
JD Retail Technology
JD Retail Technology
Jan 5, 2018 · Frontend Development

Design and Architecture of the Hawaii SSR Framework for WeChat HandQ

The article introduces the Hawaii framework—a Node.js based server‑side rendering solution used by WeChat HandQ—detailing its background, core RDS request description files, component architecture, development workflow, comparison with React/Vue and GraphQL, and its deployment and monitoring strategies.

Model LayerNode.jsRDS
0 likes · 10 min read
Design and Architecture of the Hawaii SSR Framework for WeChat HandQ