// let image = UIImage.imageViewColor(color: UIColor.lightGray)
// let data:NSData = UIImagePNGRepresentation(image)! as NSData
// data.write(toFile: "/Users/luopengfei/Desktop/lightgray.png", atomically: true)
// let image = UIImage.imageViewColor(color: UIColor.lightGray)
// let data:NSData = UIImagePNGRepresentation(image)! as NSData
// data.write(toFile: "/Users/luopengfei/Desktop/lightgray.png", atomically: true)
本文标题：NSData
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