the command pattern is used to encapsulate a request as an object, allowing you to parameterize clients with different requests, queues, or undoable operations. it is useful when you want to...
命令模式将请求封装为对象,使客户端可以灵活处理不同请求、队列或撤销操作。本文通过c#示例展示如何使用命令模式控制灯的开关。`icommand`接口定义了`execute`方法,具体命令类如`turnonlightcommand`和`turnofflightcommand`实现开关灯操作。`remotecontrol`类作为调用者负责设置和执行命令。命令模式有助于分离请求与执行逻辑,提高系统灵活性。