public void excute(){ light.off();}
Light
+ on()+ off()
LightOffCommand
+ light:type = Light
+ excute()
NoCommand
public void excute(){ light.on();}
Command
+ excute()+ undo()
RemoteLoader用来加载所有的资源bounding
LightOnCommand
RemoteController
+ onCommands:type = Command[]+ offCommands:type = Command[]
RemoteLoader
+ main()
