Xcode9学习笔记77

    override func viewDidLoad() {
        super.viewDidLoad()
        // Do any additional setup after loading the view, typically from a nib.
        
        let website = "https://lisenh.com/h5/liuhai"
        let url = URL(string: website)//将字符串转换成【网址对象】
        UIApplication.shared.open(url!)
    }