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. ,可以改变视图的大小center—Use this to animate the position of the view. ，可以改变视图的位置transform—Use this to rotate or scale the view. ，可以改变视图的比例和旋转alpha—Use this to change the transparency of the view. ，可以改变视图的透明度backgroundColor—Use this to change the background color of the view. ，可以改变视图的背景颜色contentStretch—Use this to change how the view’s contents stretch. ,可以拉伸视图的内容
时间： 2024-11-01 14:50:10