UILable
最低兼容8.2
import UIKit
extension UILabel {
convenience init(text:String?, fontSize: CGFloat, weight: UIFont.Weight, color: UIColor, align: NSTextAlignment){
self.text = text
self.font = UIFont.systemFont(ofSize: fontSize, weight: weight)
self.textColor = color
self.textAlignment = align
}
}
UIButton
最低兼容：8.2
import UIKit
extension UIButton{
convenience init(text:String?, fontSize: CGFloat, weight: UIFont.Weight, color: UIColor){
self.setTitle(text, for: .normal)
self.titleLabel?.font = UIFont.systemFont(ofSize: fontSize, weight: weight)
self.setTitleColor(color, for: .normal)
}
}
