swift UIButton边框添加阴影效果

it2022-05-05  147

btn.layer.shadowOpacity = 0.8 //阴影区域透明度 btn.layer.shadowColor = UIColor.black.cgColor // 阴影区域颜色 btn.layer.shadowOffset = CGSize(width: 1, height: 1) //阴影区域范围

  

转载于:https://www.cnblogs.com/kunH/p/7269269.html


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