We read every piece of feedback, and take your input very seriously.
To see all available qualifiers, see our documentation.
There was an error while loading. Please reload this page.
组合模式统一对象和对象集,使得使用相同接口使用对象和对象集。
组合模式常用于树状结构,用于统一叶子节点和树节点的访问,并且可以用于应用某一操作到所有子节点。