我找到了apple官方介紹地址：官網(wǎng)地址

animationWithKeyPath的值如下：

anchorPoint
backgroundColor
backgroundFilters
borderColor
borderWidth
bounds
compositingFilter
contents
contentsRect
cornerRadius
doubleSided
filters
frame ：This property is not animatable. You can achieve the same results by animating theboundsandpositionproperties.
hidden
mask
masksToBounds
opacity
position
shadowColor
shadowOffset
shadowOpacity
shadowPath
shadowRadius
sublayers
sublayerTransform
transform 翻轉(zhuǎn)包含scale rotation
zPosition

大部分我們常用的是：

transform.scale = 比例縮放動畫
transform.scale.x = 寬的比例動畫
transform.scale.y = 高的比例動畫
transform.rotation.z = 平面的旋轉(zhuǎn)
opacity = 透明度