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首页"
//创建配置对象
let configuration = WKWebViewConfiguration()
//为WKWebViewController设置偏好设置
let preference = WKPreferences()
configuration.preferences = preference
//允许native与js交互
preference.java scriptEnabled = true
//初识化webView
let webView = WKWebView.init(frame: CGRect(x: 0, y: 64, width: self.view.frame.size.width, height: 300))
let path = Bundle.main.path(forResource: "wKWebView", ofType: "html")
webView.navigationDelegate = self
webView.uiDelegate = self
let request = URLRequest.init(url: URL.init(fileURLWithPath: path!))
webView.load(request)
self.view.addSubview(webView)
self.webView = webView
let userContentController = WKUserContentController()
configuration.userContentController = userContentController
userContentController.add(self,name: "getMessage")
self.userContentController = userContentController
let btn = UIButton.init(frame: CGRect(x: 100, y: 390, width: 100, height: 50))
btn.setTitleColor(.black, for: .normal)
btn.setTitle("oc调用js", for: .normal)
btn.addTarget(self, action: #selector(btnAction), for: .touchUpInside)
self.view.addSubview(btn)
self.view.backgroundColor = .white
}
@objc func btnAction() {
self.webView?.eva luatejava script("testInput('123')", completionHandler: { (data
, error) in
print(data as Any)
})
self.webView?.eva luatejava script("testObject('xjf',26)", completionHandler: { (data, err) in
print("\(String(describing: data)),\(String(describing: err))")
})
}
func userContentController(_ userContentController: WKUserContentController, didReceive message: WKScriptMessage) {
print("\(message.name)" + "\(message.body)")
// message.name 方法名
// message.body 传递的数据
}
override func didReceiveMemoryWarning() {
super.didReceiveMemoryWarning()
// Dispose of any resources that can be recreated.
}
func webView(_ webView: WKWebView, didFinish navigation: WKNavigation!) {
// webView.eva luatejava script("testA()") { (data, err) in
// print("\(String(describing: data)),\(String(describing: err))")
// }
}
func webView(_ webView: WKWebView, didFail navigation: WKNavigation!, withError error: Error) {
print("\(error)")
}
//MARK:WKUIDelegate
//此方法作为js的alert方法接口的实现，默认弹出窗口应该只有提示消息，及一个确认按钮，当然可以添加更多按钮以及其他内容，但是并不会起到什么作用
//点击确认按钮的相应事件，需要执行completionHandler，这样js才能继续执行
////参数 message为 js 方法 alert(<message>) 中的<message>
func webView(_ webView: WKWebView, runjava scriptAlertPanelWithMessage message: String, initiatedByFrame frame: WKFrameInfo, completionHandler: @escaping () -> Void) {
let alertViewController = UIAlertController(title: "提示", message:message, preferredStyle: UIAlertController.Style.alert)
alertViewController.addAction(UIAlertAction(title: "确认", style: UIAlertAction.Style.default, handler: { (action) in
completionHandler()
}))
self.present(alertViewController, animated: true, completion: nil)
}
// confirm
//作为js中confirm接口的实现，需要有提示信息以及两个相应事件， 确认及取消，并且在completionHandler中回传相应结果，确认返回YES， 取消返回NO
//参数 message为 js 方法 confirm(<message>) 中的<message>
func webView |