【设计模式与Android】命令模式——军令如山-创新互联

public classZhugeLiang {
    Command command;

    public voidsetCommand(Command command){
        this.command= command;
    }

    public voidpublishCommand(){
        command.execute();
    }

}

public classGeneral {

    privateString name= "";

    publicGeneral(String name) {
        this.name= name;
    }

    public voidexecute(Command command){
        Log.e("诸葛亮命令"+name,command.getAction());
    }

}

public classYushanCommand extendsCommand {
    publicYushanCommand(General general) {
        super(general);
    }

    @Override
    publicString getAction() {
        return "引一千军往豫山埋伏……纵兵出击，就焚其粮草。";
    }
}

public classAnlinCommand extendsCommand {
    publicAnlinCommand(General general) {
        super(general);
    }

    @Override
    publicString getAction() {
        return "引一千军去安林背后山谷中埋伏，……向博望城旧屯粮草处纵火烧之。";
    }
}

public classSeduceCommand extendsCommand {
    publicSeduceCommand(General general) {
        super(general);
    }

    @Override
    publicString getAction() {
        return "为前部，不要赢，只要输。";
    }
}

ZhugeLiang zhugeLiang = newZhugeLiang();
zhugeLiang.setCommand(newYushanCommand(newGeneral("关羽")));
zhugeLiang.publishCommand();
zhugeLiang.setCommand(newAnlinCommand(newGeneral("张飞")));
zhugeLiang.publishCommand();
zhugeLiang.setCommand(newSeduceCommand(newGeneral("赵云")));
zhugeLiang.publishCommand();