Matlab命令模式

命令模式(Command)将命令封装为对象，实现命令发送者和命令接收者的解耦。线程池、MVC框架用到了命令模式，本文根据以下类图，用matlab实现命令模式。

 

Invoker.m (传递命令对象Invoker：持有命令对象，要求命令对象执行请求)

classdef Invoker < handle
    properties
        command
    end
    methods
        function setOrder(obj,command)
            obj.command = command;
        end
        function execute(obj)
           obj.command.execute();
        end
    end
end

Command.m (抽象命令接口Command：定义命令的接口，声明执行的方法)

classdef Command < handle
    methods(Abstract)
        execute(obj);
    end
end

ConcreteCommand.m (具体的命令对象ConcreteCommand：持有具体的接受者对象，完成具体的具体的命令)

classdef ConcreteCommand < Command
    properties
        receiver
    end
    methods
        function obj = ConcreteCommand(receiver)
           obj.receiver = receiver;
        end        
        function execute(obj)
            obj.receiver.execute();
        end
    end
end

Receiver.m (接受者对象Receiver：接受者对象，真正执行命令的对象)

classdef Receiver < handle
    methods
        function execute(~)
           disp("Receiver execute");
        end
    end
end

test.m

r = Receiver();
c = ConcreteCommand(r);
i = Invoker();
i.setOrder(c);
i.execute();

参考资料：

https://blog.csdn.net/wsh622827/article/details/4759368

https://blog.csdn.net/zhwyj1019/article/details/79758057