一、参考资料

​​https://www.processon.com/​​

​​亿图在线作图 - 轻松搞定200余种办公绘图​​

​​Log in Visual Paradigm Online​​

​​Open-source tool that uses simple textual descriptions to draw beautiful UML diagrams.​​

​​Intellij IDEA中安装&使用PlantUML画时序图、类图等 - 简书​​