let startingColorOfGradient = UIColor(colorLiteralRed: 255/255, green:
255/255, blue: 255/255, alpha: 1.0).cgColor
let endingColorOFGradient = UIColor(colorLiteralRed: 251/255, green:
247/255, blue: 234/255, alpha: 1.0).cgColor
let gradient: CAGradientLayer = CAGradientLayer()
错误:的init(colorLiteralRed:绿色:蓝色:,阿尔法:)斯威夫特弃用4
'init(colorLiteralRed:green:blue:alpha:)' was obsoleted in Swift 4.0 (Swift._ExpressibleByColorLiteral)
如何使用渐变色,如果init(colorLiteralRed:,green:,blue:,alpha:)
在斯威夫特4弃用?