6命令模式解析Word文档下载推荐.docx

1、;class CeilingFan static const int HIGH = 3; static const int MEDIUM = 2; static const int LOW = 1; static const int OFF = 0; string location; int speed; CeilingFan（string s） location = s; speed =OFF;CeilingFan On location CeilingFan（）CeilingFan On speed = OFF;CeilingFan Off void high（） speed = HIGH

2、; void medium（） speed = MEDIUM; void low（） speed = LOW; int getSpeed（） return speed;class GarageDoor GarageDoor（string s）GarageDoor On GarageDoor（） void up（）GarageDoor Up void down（）GarageDoor downclass Stereo Stereo（string s）Stereo On Stereo（）Stereo OnStereo Off void setCD（）Stereo CD void setVolume

3、（int n）Stereo Volume non（）;off（）; return LightOnCommand; LightOnCommand（）class LightOffCommand: LightOffCommand（Light* l）LightOffCommand LightOffCommand（）class CeilingFanOnCommand: CeilingFan* fan; CeilingFanOnCommand（CeilingFan* f） fan = f; fan-CeilingFanOnCommand CeilingFanOnCommand（）class Ceiling

4、FanOffCommand: CeilingFanOffCommand（CeilingFan* f）CeilingFanOffCommand CeilingFanOffCommand（）class CeilingFanHighCommand: int prevSpeed; CeilingFanHighCommand（CeilingFan* f） prevSpeed = fan-getSpeed（）;high（）; if（prevSpeed = fan-HIGH） else if（prevSpeed = fan-MEDIUM）medium（）;LOW）low（）;CeilingFanHighCo

5、mmand CeilingFanHighCommand（）class GarageDoorUpCommand: GarageDoor* door; GarageDoorUpCommand（GarageDoor* d） door = d; door-up（）;down（）;GarageDoorUpCommand GarageDoorUpCommand（）class GarageDoorDownCommand: GarageDoorDownCommand（GarageDoor* d）GarageDoorDownCommand GarageDoorDownCommand（）class StereoO

6、nWithCDCommand: Stereo* stereo; StereoOnWithCDCommand（Stereo* s） stereo = s; stereo-setCD（）;setVolume（11）;StereoOnWithCDCommand StereoOnWithCDCommand（）class StereoOffCommand: StereoOffCommand（Stereo* s）StereoOffCommand StereoOffCommand（）class RemoteControl Command* onCommands7; Command* offCommands7

7、; Command* undoCommand; Command* noCommand; RemoteControl（） noCommand = new NoCommand（）; for（int i=0;iexecute（）; undoCommand = onCommandsslot; void offButtonWasPushed（int slot） if（offCommandsslot! offCommandsslot- undoCommand = offCommandsslot; void undoButtonWasPushed（） undoCommand-undo（）; void toS

8、tring（）n-Remote Control-nthis-length（）;slot onCommandsi-getClass（）nint main（） RemoteControl* remoteControl = new RemoteControl（）; / 所有装置创建在合适的位置 Light* livingRoomLight = new Light（Living Room）; Light* kitchenLight = new Light（Kitchen CeilingFan* ceilingFan= new CeilingFan（ GarageDoor* garageDoor = n

9、ew GarageDoor（ Stereo* stereo = new Stereo（ / 创建所有电灯命令对象 LightOnCommand* livingRoomLightOn = new LightOnCommand（livingRoomLight）; LightOffCommand* livingRoomLightOff = new LightOffCommand（livingRoomLight）; LightOnCommand* kitchenLightOn = new LightOnCommand（kitchenLight）; LightOffCommand* kitchenLig

10、htOff = new LightOffCommand（kitchenLight）; / 创建掉扇开与关命令 CeilingFanOnCommand* ceilingFanOn = new CeilingFanOnCommand（ceilingFan）; CeilingFanOffCommand* ceilingFanOff = new CeilingFanOffCommand（ceilingFan）; / 创建车库门上与下的命令 GarageDoorUpCommand* garageDoorUp = new GarageDoorUpCommand（garageDoor）; GarageDoo

11、rDownCommand* garageDoorDown = new GarageDoorDownCommand（garageDoor）; / 创建音响开与关命令 StereoOnWithCDCommand* stereoOnWithCD = new StereoOnWithCDCommand（stereo）; StereoOffCommand* stereoOff = new StereoOffCommand（stereo）; / 所有命令加载到遥控器插槽中 remoteControl-setCommand（0, livingRoomLightOn,livingRoomLightOff）;s

12、etCommand（1, kitchenLightOn,kitchenLightOff）;setCommand（2, ceilingFanOn,ceilingFanOff）;setCommand（3, stereoOnWithCD,stereoOff）; / 用toString（）方法打印遥控器每个插槽指定的命令toString（）; / 按下每个插槽开与关命令onButtonWasPushed（0）;offButtonWasPushed（0）;onButtonWasPushed（1）;offButtonWasPushed（1）;onButtonWasPushed（2）;offButtonWasPushed（2）;onButtonWasPushed（3）;offButtonWasPushed（3）;undoButtonWasPushed（）; return 0;