backgroundColor=UIColor .colorWithRed(125/255.0, green: 125/255.0, blue: 125/255.0, alpha: 1.0)
改为
backgroundColor = UIColor(red: 0.5, green: 0.5, blue: 0.5, alpha: 1.0)
或者
import Foundation
import UIKit
extension UIColor {
convenience init(rgb: UInt) {
self.init(
red: CGFloat((rgb & 0xFF0000) >> 16) / 255.0,
green: CGFloat((rgb & 0x00FF00) >> 8) / 255.0,
blue: CGFloat(rgb & 0x0000FF) / 255.0,
alpha: CGFloat(1.0)
)
}
}
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