importUIKit
extension UIColor {
convenienceinit(r :CGFloat, g :CGFloat, b :CGFloat) {
self.init(red: r/255.0, green: g/255.0, blue: b/255.0, alpha:1.0)
}
//快捷生成随机颜色
class func randomColor() ->UIColor{
return UIColor(r: CGFloat(arc4random_uniform(256)), g: CGFloat(arc4random_uniform(256)), b: CGFloat(arc4random_uniform(256)))
}
}
//返回时间
importFoundation
extension NSDate {
classfuncgetCurrentTime() ->String{
letnowData =NSDate()
letinterval = nowData.timeIntervalSince1970
return"\(interval)"
}
}
importUIKit extension UIColor { convenienceinit(r :CGFlo...
extension for String extension for UIColor
extension UIColor{ classfunchex(hex:String) ->UIColor{ va...
extension UIColor { } 无字天书?
实现 hex 数字的UIcolor 生成 #import "UIColor+extension.h" @imple...
extension UIColor { convenience init(hexString: String) {...
extension UIColor { static func hexStringToUIColor(hexStr...
extension UIColor{ class func colorWithHexString(hex:Stri...
extension UIColor { static func color(_ red: Int, green...
HexString - 传入类似 "#FF2A1A" 或 "FF2A1A" 格式字符串 Hex - 传入类似 0...
本文标题：uicolor ,nsdata -->extension 记录一
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