UML Mermaid

继承	Inheritance	classA --|> classB : Inheritance
组合	Composition	classA --* classB : Composition
聚合	Aggregation	classA --o classB : Aggregation
关联	Association	classA --> classB : Association
依赖	Dependency	classA ..> classB : Dependency
实现	Realization	classA ..|> classB : Realization