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Swift的UIKit
1 | import UIKit |
x: <num>:定义左上角横坐标y: <num>:定义左上角纵坐标width: <num>:定义宽height: <num>:定义高
1 | let button = UIButton(frame: CGRect(x: <num>, y: <num>, width: <num>, height: <num>)) |
1 | button.backgroundColor = .red |
1 | button.layer.cornerRadius = 25 |