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iOS开发笔记之MYWebViewController_基于WK

iOS开发笔记之MYWebViewController_基于WK

作者: iOS_朱益锋 | 来源:发表于2017-07-21 10:18 被阅读87次
准备好所有UI控件
  • webView
lazy var webView: WKWebView = {
        let config = WKWebViewConfiguration()
        config.userContentController = WKUserContentController()
        let view = WKWebView(frame: CGRect.zero, configuration: config)
        view.uiDelegate = self
        view.navigationDelegate = self
        return view
    }()
  • progressView
lazy var progressView: UIProgressView = {
        let progressView = UIProgressView()
        progressView.progressTintColor = .green
        progressView.progressViewStyle = .bar
        progressView.progress = 0.0
        return progressView
    }()
  • closeButton
lazy var closeButton: UIBarButtonItem = {
        let button = UIBarButtonItem(title: "关闭", style: UIBarButtonItemStyle.plain, target: self, action: #selector(MYWebViewController.closeAction(_:)))
        return button
    }()
  • goBackButton
 lazy var goBackButton: UIBarButtonItem = {
        let button = UIBarButtonItem(title: "返回", style: UIBarButtonItemStyle.plain, target: self, action: #selector(MYWebViewController.goBackAction(_:)))
        return button
    }()
外部URL传入
public var url: URL?
控制progressView
fileprivate var progress: Float {
        get {
            return self.progressView.progress
        }
        set {
            if newValue >= 1.0 {
                self.progressView.alpha = 0.0
            }else {
                self.progressView.alpha = 1.0
            }
        }
    }
控制closeButton
 fileprivate var showClosedButton = true {
        didSet {
            guard self.isViewLoaded else {
                return
            }
            if self.showClosedButton {
                self.navigationItem.leftBarButtonItems = [self.goBackButton, self.closeButton]
            }else {
                self.navigationItem.leftBarButtonItems = [self.goBackButton]
            }
        }
    }

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