if #available(iOS 13.0, *) {
let appearance = UINavigationBarAppearance()
appearance.backgroundImage = UIImage.init()
appearance.backgroundColor = .white
appearance.shadowColor = .white
self.navigationController?.navigationBar.standardAppearance = appearance
self.navigationController?.navigationBar.scrollEdgeAppearance = appearance
}
WechatIMG25.png
WechatIMG26.jpeg
