笔记:iOS 与 JavaScript 的交互(三):WKWebView 3. WKUiDelegate - 6. add(_:name:)
let wkConfig = WKWebViewConfiguration()
let wkUserContentController = WKUserContentController()
wkUserContentController.add(
self as WKScriptMessageHandler,
name: "WKMesesgaSignal"
)
wkConfig.userContentController = wkUserContentController