imzyf / ios-swift-learning-notes

📝 iOS Swift Learning Notes - see Issues
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Swift UIView 层次调整 #87

Open imzyf opened 6 years ago

imzyf commented 6 years ago

http://blog.csdn.net/lwjok2007/article/details/48105939

//将view1挪到最上边  
self.view.bringSubviewToFront(view1)  

//将view1挪到最下边  
self.view.sendSubviewToBack(view1)  

//互换  
self.view.exchangeSubviewAtIndex(2, withSubviewAtIndex: 3)