Command mode-design mode-PHP version

1<?PHP2 /*3 * Command mode4  * 5  */6 //declares an interface to perform an operation (command interface)7 InterfaceCook {8      Public functionExcute ();9 }Ten //make rice (concretecommand) One classCookriceImplementsCook { A     Private $cooker; -     function__construct (Cooker$cooker) { -         $this->cooker =$cooker; the     } -      Public functionExcute () { -         $this->cooker->Dorice (); -     } + } - //Cooking (Concretecommand) + classCookfoodImplementsCook { A     Private $cooker; at     function__construct (Cooker$cooker) { -         $this->cooker =$cooker; -     } -      Public functionExcute () { -         $this->cooker->Dofood (); -     } in } - //Waiter (Invoker) (via list mode, can be further optimized, here slightly) to classServerperson { +     Private $cook; -      Public functionSetcook (Cook$cook) { the         $this->cook =$cook; *     } $      Public functionExecuteCommand () {Panax Notoginseng         $this->cook->Excute (); -     } the } + //Chef (Receiver) A classCooker { the      Public functionDorice () { +         EchoCooking; -     } $      Public functionDofood () { $         Echo' Cooking '; -     } - } the //Client - classClient {Wuyi      Public Static functionMain () { the         $cooker=Newcooker (); -         $server=NewServerperson (); Wu         //Cooking -         $cookA=NewCookrice ($cooker); About         $server->setcook ($cookA); $         $server-ExecuteCommand (); -         //Make a dish -         $cookB=NewCookfood ($cooker); -         $server->setcook ($cookB); A         $server-ExecuteCommand (); +     } the } -Client::main ();

Command mode-design mode-PHP version