直接上代码

AppDelegate.cpp

</pre><pre name="code" class="cpp">//屏幕适配
	Size framSize=glview->getFrameSize();//获取实际屏幕的大小

	Size winSize=Size(480,320);//根据实际背景图片的大小，填写

	//将宽和高做一个比，通过这个比，来具体调整逻辑分辨率的大小

	float widthRate=framSize.width/winSize.width;
	float heightRate=framSize.height/winSize.height;

	//如果是if中的语句，说明逻辑的高度有点大了，就把逻辑的高缩小到和宽度一样的比率

	if(widthRate>heightRate)
	{
		glview->setDesignResolutionSize(winSize.width,winSize.height*heightRate/widthRate,ResolutionPolicy::NO_BORDER);
	}else
	{
		glview->setDesignResolutionSize(winSize.width*widthRate/heightRate,winSize.height,ResolutionPolicy::NO_BORDER);
	}

HelloWorld.cpp

Size visibleSize = Director::getInstance()->getWinSize();