Size winSize = Director::getInstance()->getWinSize();//获取屏幕大小
off = Sprite::create("res/CloseNormal.png");
off->setPosition(Vec2(winSize.width/2, winSize.height/2));//设置图片位置
off->setScale(0.3);//缩放图片(1为图片正常大小
![
![层级2.png](http://upload-images.jianshu.io/upload_images/1707554-705fc321f9707dcc.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240)
](http://upload-images.jianshu.io/upload_images/1707554-9f8ec0072e75601a.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1240)
)
off->setAnchorPoint(Vec2(0.5, 0));//设置锚点
this->addChild(off,2);//设置层级关系数值越大越靠上
rectangular = Sprite::create("res/Button_Public.png");
rectangular->setPosition(Vec2(winSize.width/2, winSize.height/2));
rectangular->setScale(0.3);
rectangular->setAnchorPoint(Vec2(0.5, 0));
this->addChild(rectangular,3);
background = Sprite::create("res/HelloWorld.png");
background->setPosition(Vec2(winSize.width/2, winSize.height/2));
background->setScale(1.5);
this->addChild(background);
this->addChild(background);//没设置层级关系默认最下面
如果都没设置层级关系,默认会把最后加入的图片放在最上面