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package com.company.command.model;

/**

* 请求者类

*/

public class Invoker {

private Command command;//持有一个对命令对象的引用

public Invoker(Command command) {

this.command = command;

}

public void action() {

command.execute();//调用具体的命令对象的相关方法，执行具体的命令

}

}