我使用WKWebView登录到一个网站,现在我想解析该网站的html。如何在swift中访问网站的html?我知道它在UIWebView上是如何工作的,但在WKWebView上却不知道。
谢谢你的帮忙!
发布于 2016-01-13 13:32:54
如果您一直等到页面加载完毕,您可以使用:
webView.evaluateJavaScript("document.documentElement.outerHTML.toString()",
completionHandler: { (html: Any?, error: Error?) in
print(html)
})
你也可以注入一些返回HTML的javascript。
let script = WKUserScript(source: javascriptString, injectionTime: injectionTime, forMainFrameOnly: true)
userContentController.addUserScript(script)
self.webView.configuration.userContentController.addScriptMessageHandler(self, name: "didGetHTML")
…
func userContentController(userContentController: WKUserContentController,
didReceiveScriptMessage message: WKScriptMessage) {
if message.name == "didGetHTML" {
if let html = message.body as? String {
print(html)
}
}
}
你可以注入的javascript看起来像这样:
webkit.messageHandlers.didGetHTML.postMessage(document.documentElement.outerHTML.toString());
发布于 2019-07-18 03:36:26
WKWebView
从WKWebView获取超文本标记语言
wkWebView.evaluateJavaScript("document.body.innerHTML", completionHandler: { (value: Any!, error: Error!) -> Void in
if error != nil {
//Error logic
return
}
//let result = value as? String
//Main logic
})
将超文本标记语言设置为WKWebView
//Do not forget to extend a class from `WKNavigationDelegate`
func someFunction() {
let wkWebView = WKWebView()
wkWebView.loadHTMLString("<html><body></body></html>", baseURL: nil)
wkWebView.navigationDelegate = self as? WKNavigationDelegate
}
func webView(_ webView: WKWebView, didFinish navigation: WKNavigation!) {
//ready to be processed
}
发布于 2021-08-05 18:05:59
在询问token form的新APIS后,我在这里尝试获取有关获取结果的线索。(我正在实现他们的流,而不是他们的SDK的所有东西) Hope可以帮助别人。
现在Dropbox使用一个网页作为登录,并回调你的url,在那里你可以处理token。
import WebKit
import SwiftUI
// some code from:
// https://benoitpasquier.com/create-webview-in-swiftui/
// THX pasquier!
let APP_KEY = "YOUR APP KEY"
let REDIRECT_URI = "<YOUR SITE>.dropbox_auth.php"
let DB_URL = "https://www.dropbox.com/1/oauth2/authorize?client_id=APP_KEY&token_access_type=offline&response_type=code&redirect_uri=REDIRECT_URI"
class MyWKDelegate: NSObject, WKNavigationDelegate{
func webView(_ webView: WKWebView, didFinish navigation: WKNavigation!) {
print("End loading")
webView.evaluateJavaScript("document.body.innerHTML", completionHandler: { result, error in
if let html = result as? String {
print(html)
}
})
}
}
struct WebView: UIViewRepresentable {
typealias UIViewType = WKWebView
let webView: WKWebView
func makeUIView(context: Context) -> WKWebView {
return webView
}
func updateUIView(_ uiView: WKWebView, context: Context) { }
}
class WebViewModel: ObservableObject {
let webView: WKWebView
let url: URL!
let delegate = MyWKDelegate()
init() {
webView = WKWebView(frame: .zero)
webView.navigationDelegate = delegate
let urlStr = DB_URL.replacingOccurrences(of: "APP_KEY", with: APP_KEY).replacingOccurrences(of: "REDIRECT_URI", with: REDIRECT_URI)
print(urlStr)
url = URL(string: urlStr)
loadUrl()
}
func loadUrl() {
webView.load(URLRequest(url: url))
}
}
https://stackoverflow.com/questions/34751860
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