小爷的爷

摘要： The frame property contains the frame rectangle, which specifies the size and location of the view in its superview’s coordinate system. The frame pro 阅读全文

摘要： frame—Use this to animate position and size changes for the view. ，框架，可以视图动态改变大小和位置 bounds—Use this to animate changes to the size of the view. ,可以改变视 阅读全文