addchildviewcontroller可以直接把我要用的controller设为一个属性来替代么
高洛峰2017-04-17 14:40:24
addChildViewController is mainly used to better manage multiple child views. For detailed benefits, please see the following link:
http://blog.devtang.com/blog/2012/02/06/new-methods-in- uiviewcontrolle...