1.cocos2d CCLayer 的创建

//创建Layer
//1.默认颜色
CCLayer *myLayer=CCLayer::create();
myLabel->setPosition(ccp(200, 30));
this->addChild(myLayer);

//2.红色 带颜色
CCLayerColor *myLayer2=CCLayerColor::create(ccc4(255, 0,0 ,255));
this->addChild(myLayer2);
myLayer2->setContentSize(CCSize(250, 200));

//3.蓝色
CCLayerColor *myLayerColor=CCLayerColor::create(ccc4(0, 0, 255, 255), 150, 150);
this->addChild(myLayerColor);