";		}	}		//厨师对象，做冷菜	class CoolCook implements cookApi{		public function cook($name){			echo "冷菜厨师正在做:".$name."
";		}	}		//命令接口	interface Command{		public function execute();	}		//具体的命令对象，需持有相应的具体处理事务的类实例。这里咱们做三个命令对象，即菜品"绿豆排骨煲"、"北京烤鸭"、"蒜泥白肉(凉菜)"		class ChopCommand implements Command{		//持有具体的厨师对象		private $cookApi = NULL;				//设置具体的厨师对象		public function setCookApi($cookApi){			$this->cookApi = $cookApi;		}				public function execute(){			$this->cookApi->cook("绿豆排骨煲");		}	}		class DuckCommand implements Command{		//持有具体的厨师对象		private $cookApi = NULL;				//设置具体的厨师对象		public function setCookApi($cookApi){			$this->cookApi = $cookApi;		}				public function execute(){			$this->cookApi->cook("北京烤鸭");		}	}		class PorkCommand implements Command{		//持有具体的厨师对象		private $cookApi = NULL;				//设置具体的厨师对象		public function setCookApi($cookApi){			$this->cookApi = $cookApi;		}				public function execute(){			$this->cookApi->cook("蒜泥白肉");		}	}		//菜单对象，是一个宏命令对象,宏命令顾名思义就是一组命令的集合，当执行宏命令时，需要依次执行所有的命令	class MenuCommand implements Command{		private $commandArr = array();		 		//点菜，把菜品加入到点菜单中		public function addCommand($command){			array_push($this->commandArr, $command);		}		//执行菜单命令		public function execute(){			foreach ($this->commandArr as $key => $value) {				$this->commandArr[$key]->execute();			}		}	}		/*	 * 服务员类,负责组合菜单，负责组装每个菜和具体的实现者即厨师	 * 还负责执行调用，相当于标准Command模式的Client+Invoker	 */		class Waiter{				//持有一个菜单对象，即宏命令对象		private $menuCommand;				public function __construct(){			$this->menuCommand = new MenuCommand();		}				public function orderDish($cmd){			//客户传过来的命令对象是没有和接受者组装的			//在这里组装，因为客户并不知道他点的菜是谁来做，凉菜热菜是否不是一个人做，这些都不是客户应该关心的。			$hotCook = new HotCook();			$cookCook = new CoolCook();			if($cmd instanceof DuckCommand){				$cmd->setCookApi($hotCook);			}			else if($cmd instanceof ChopCommand){				$cmd->setCookApi($hotCook);			}			else if($cmd instanceof PorkCommand){				$cmd->setCookApi($cookCook);			}			$this->menuCommand->addCommand($cmd);		}				public function orderOver(){			$this->menuCommand->execute();		}			}		$waiter = new Waiter();		$chop = new ChopCommand();	$duck = new DuckCommand();	$pork = new PorkCommand();		$waiter->orderDish($chop);	$waiter->orderDish($duck);	$waiter->orderDish($pork);		$waiter->orderOver();	?>