have you ever found yourself with a long if-else or switch-case block in your code? this is quite common when dealing with user inputs, commands, or event-based logic. but over time, these chains...
长时间使用if-else或switch-case结构会导致代码难维护。命令模式是一种行为设计模式,将请求转换为对象,使方法参数化、延迟执行并创建操作队列。通过将每个操作封装在独立类中,代码更清晰易扩展,适合处理用户输入的多操作场景。