头文件：

#include "base/CCEventListenerController.h"
    #include "base/CCController.h"

代码：

auto label = LabelTTF::create("NULL","Courier",40);
    label->setPosition(visibleSize / 2);
    this->addChild(label);

    auto listener = EventListenerController::create();  //控制器事件

    listener->onKeyDown = [label](Controller* clr,int keyCode,Event* event){
        label->setString(StringUtils::format("%d",keyCode));
    };


    listener->onKeyRepeat = [label](Controller* clr,keyCode));
    };

    listener->onKeyUp = [label](Controller* clr,keyCode));
    };

    Director::getInstance()->getEventDispatcher() 
        ->addEventListenerWithSceneGraPHPriority(listener,this); 

    Controller::startDiscoveryController();  //发现控制器