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(_ webView: WKWebView, runjava scriptConfirmPanelWithMessage message: String, initiatedByFrame frame: WKFrameInfo, completionHandler: @escaping (Bool) -> Void) {
let alertVicwController = UIAlertController(title: "提示", message: message, preferredStyle: UIAlertController.Style.alert)
alertVicwController.addAction(UIAlertAction(title: "取消", style: UIAlertAction.Style.cancel, handler: { (alertAction) in
completionHandler(false)
}))
alertVicwController.addAction(UIAlertAction(title: "确定", style: UIAlertAction.Style.default, handler: { (alertAction) in
completionHandler(true)
}))
self.present(alertVicwController, animated: true, completion: nil)
}
// prompt
//作为js中prompt接口的实现，默认需要有一个输入框一个按钮，点击确认按钮回传输入值
//当然可以添加多个按钮以及多个输入框，不过completionHandler只有一个参数，如果有多个输入框，需要将多个输入框中的值通过某种方式拼接成一个字符串回传，js接收到之后再做处理
//参数 prompt 为 prompt(<message>, <defaultValue>);中的<message>
//参数defaultText 为 prompt(<message>, <defaultValue>);中的 <defaultValue>
func webView(_ webView: WKWebView, runjava scriptTextInputPanelWithPrompt prompt: String, defaultText: String?, initiatedByFrame frame: WKFrameInfo, completionHandler: @escaping (String?) -> Void) {
let alertViewController = UIAlertController(title: prompt, message: "", preferredStyle: UIAlertController.Style.alert)
alertViewController.addTextField { (textField) in
textField.text = defaultText
}
alertViewController.addAction(UIAlertAction(title: "完成", style: UIAlertAction.Style.default, handler: { (alertAction) in
completionHandler(alertViewController.textFields![0].text)
}))
self.present(alertViewController, animated: true, completion: nil)
}
}
参考连接：https://mp.weixin.qq.com/s/Tp7WxHXp_0EATIKvSuBhlw
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