命令模式

最新推荐文章于 2020-07-09 16:16:58 发布

gencin

最新推荐文章于 2020-07-09 16:16:58 发布

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分类专栏：设计模式

本文链接：https://blog.youkuaiyun.com/qq_40202104/article/details/88256733

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本文深入探讨了命令模式在软件设计中的应用，通过具体实例展示了如何将任务抽象为命令，实现命令的发送者与接收者之间的解耦。文章详细介绍了命令模式的组成部分，包括接收者、命令、调用者和请求，以及它们之间的交互方式。通过命令模式，可以提高代码的灵活性和可维护性，同时简化复杂操作的管理。

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package command_pattern;

public interface Receive {

	boolean do_thing();
}

package command_pattern;

public class Program_Receive implements Receive {

	@Override
	public boolean do_thing() {
		// TODO Auto-generated method stub
		System.out.println("我可以负责编程");
		return false;
	}

}

package command_pattern;

public class Clean_Receive implements Receive{

	@Override
	public boolean do_thing() {
		// TODO Auto-generated method stub
		System.out.println("我可以负责打扫卫生");
		return false;
	}

}

package command_pattern;

public interface Command {
	
	//Receive person;
	void command_do();
}

package command_pattern;

public class Program_Command implements Command {

	@Override
	public void command_do() {
		// TODO Auto-generated method stub
		Receive receive = new Program_Receive();
		receive.do_thing();	
	}

}

package command_pattern;

public class Clean_Command implements Command {

	@Override
	public void command_do() {
		// TODO Auto-generated method stub
		Receive receive = new Clean_Receive();
		receive.do_thing();
	}

	 

}

package command_pattern;

public class Invlove {
	Command command ;
	
	Invlove(Command command){
		this.command = command;	
	}
	boolean setcommand(Command command){
		this.command = command;
		return false;
		
		
	}
	boolean Execute(){
		
		command.command_do();
		return true;
		
	}
	
}

package command_pattern;

public class App {
	public static void main(String[] args) {
	
		Program_Command s = new Program_Command();
		Invlove good = new Invlove(s);
		good.Execute();
		good.setcommand(new Clean_Command());
		good.Execute();
		
	}
}

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