self.layer.shadowColor = UIColor.lightGray.cgColor
self.layer.shadowOffset = CGSize(width: 0, height: -5)
self.layer.shadowOpacity = 0.3
self.layer.masksToBounds = false // 防止阴影被裁减
阴影view一定要上所有view的最上层,否则会被覆盖

self.layer.shadowColor = UIColor.lightGray.cgColor
self.layer.shadowOffset = CGSize(width: 0, height: -5)
self.layer.shadowOpacity = 0.3
self.layer.masksToBounds = false // 防止阴影被裁减
阴影view一定要上所有view的最上层,否则会被覆盖
本文标题:添加阴影
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