Tutorials, guides, and best practices for UML diagramming
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Follow this topic in order, or jump to the article you need.
按顺序阅读这个主题，或直接跳到你需要的文章。
Learn which UML diagrams Mermaid supports, where it uses approximations, and when to choose sequence, class, state, ER, flowchart, or PlantUML.
Explore copyable PlantUML examples for sequence, class, ER, C4, activity, component, and state diagrams, then learn how to style, save, and export them.
探索可复制的 PlantUML 时序图、类图、ER 图、C4 架构图、活动图、组件图和状态图示例，并学习如何设置样式、保存和导出。
Choose Mermaid for everyday documentation and PlantUML for formal UML or complex architecture. Compare capabilities, version limits, and delivery scenarios.
日常文档默认 Mermaid，正式 UML 与复杂架构图默认 PlantUML。通过交付物决策、能力矩阵与专项入口，选择适合团队的图表即代码工具。
Learn Mermaid flowchart syntax with practical examples for authentication, CI/CD, microservices, error handling, SSO, and e-commerce workflows.
Learn Mermaid sequence diagram syntax for participants, messages, notes, activation, control flow, and maintainable API documentation with runnable examples.
Mermaid 支持 6 类控制片段；截至 2026-07-22，Mermaid 当前官方文档未提供返回、自动激活、引用与分页这些能力的等价专用语法，复杂调用栈优先 PlantUML。
Choose Mermaid for everyday documentation and PlantUML for formal UML or complex architecture. Compare capabilities, version limits, and delivery scenarios.
日常文档默认 Mermaid，正式 UML 与复杂架构图默认 PlantUML。通过交付物决策、能力矩阵与专项入口，选择适合团队的图表即代码工具。
Learn Mermaid flowchart syntax with practical examples for authentication, CI/CD, microservices, error handling, SSO, and e-commerce workflows.
Learn Mermaid sequence diagram syntax for participants, messages, notes, activation, control flow, and maintainable API documentation with runnable examples.
