Tutorials, guides, and best practices for UML diagramming
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 how to create beautiful sequence diagrams using Mermaid syntax. Covers basic syntax, advanced patterns, and best practices for API documentation.
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。
Control PlantUML layout with direction, containers, spacing, layout engines, and restrained relationship hints without fragile positioning hacks.
使用方向、容器、间距、布局引擎和克制的关系提示控制 PlantUML 布局，避免脆弱的定位技巧。
Learn why PlantUML newpage shows one image in OnUML and split long sequence diagrams into tabs that can be previewed, saved, and exported.
了解 PlantUML newpage 为何在 OnUML 中只显示一张图片，并将长时序图拆分为可预览、保存和导出的标签页。
Build authentication and REST API flows with PlantUML participants, messages, activation bars, conditions, loops, and numbering.
使用 PlantUML 参与者、消息、激活条、条件、循环和编号构建身份验证及 REST API 流程。
Learn what WYSIWYG and drag-and-drop mean for PlantUML, what the language supports, and how to choose between text-first, visual, and hybrid editors.
了解所见即所得与拖放对 PlantUML 的具体含义、语言本身支持什么，以及如何选择文本优先、可视化或混合编辑器。
