blocks|key|4441104|text|如果您一直等到页面加载完毕，您可以使用：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4441105|webView.evaluateJavaScript("document.documentElement.outerHTML.toString()",+
+++++++++++++++++++++++++++completionHandler:+{+(html:+Any?,+error:+Error?)+in
++++print(html)
})|code-block|syntax|javascript|4441106|你也可以注入一些返回HTML的javascript。|4441107|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)
++++++++++++}
++++++++}
}|4441108|你可以注入的javascript看起来像这样：|4441109|webkit.messageHandlers.didGetHTML.postMessage(document.documentElement.outerHTML.toString());|4441110|entityMap^0|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|Q|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|R|8|@]|9|@]|A|$E|F]]|$1|G|3|H|5|6|7|S|8|@]|9|@]|A|$]]|$1|I|3|J|5|D|7|T|8|@]|9|@]|A|$E|F]]|$1|K|3|L|5|6|7|U|8|@]|9|@]|A|$]]|$1|M|3|N|5|D|7|V|8|@]|9|@]|A|$E|F]]|$1|O|3|-4|5|6|7|W|8|@]|9|@]|A|$]]]|P|$]]

If you wait until the page has loaded you can use:

<pre><code>webView.evaluateJavaScript("document.documentElement.outerHTML.toString()", 
 completionHandler: { (html: Any?, error: Error?) in
 print(html)
})
</code></pre>

You could also inject some javascript that returns you back the HTML.

<pre class="lang-swift prettyprint-override"><code>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)
 }
 }
}
</code></pre>

The javascript you could inject looks something like:

<pre class="lang-js prettyprint-override"><code>webkit.messageHandlers.didGetHTML.postMessage(document.documentElement.outerHTML.toString());
</code></pre>

blocks|key|4441132|text|WKWebView|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4441133|从WKWebView获取超文本标记语言|4441134|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
})|code-block|syntax|javascript|4441135|将超文本标记语言设置为WKWebView|4441136|//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
}|4441137|[get/set+HTML+from+UIWebView]|offset|length|4441138|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/a/57083045/4770877^0|0|0|0|0|0|0|T|0|0^^$0|@$1|2|3|4|5|6|7|Y|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|Z|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|10|8|@]|9|@]|A|$G|H]]|$1|I|3|J|5|6|7|11|8|@]|9|@]|A|$]]|$1|K|3|L|5|F|7|12|8|@]|9|@]|A|$G|H]]|$1|M|3|N|5|6|7|13|8|@]|9|@$O|14|P|15|1|16]]|A|$]]|$1|Q|3|-4|5|6|7|17|8|@]|9|@]|A|$]]]|R|$S|$5|T|U|V|A|$W|X]]]]

<h2>WKWebView</h2>

get HTML from WKWebView

<pre><code>wkWebView.evaluateJavaScript("document.body.innerHTML", completionHandler: { (value: Any!, error: Error!) -&gt; Void in

 if error != nil {
 //Error logic
 return
 }

 //let result = value as? String
 //Main logic
})
</code></pre>

set HTML into WKWebView

<pre><code>//Do not forget to extend a class from `WKNavigationDelegate`

func someFunction() {
 let wkWebView = WKWebView()

 wkWebView.loadHTMLString("&lt;html&gt;&lt;body&gt;&lt;/body&gt;&lt;/html&gt;", baseURL: nil)
 wkWebView.navigationDelegate = self as? WKNavigationDelegate
}

func webView(_ webView: WKWebView, didFinish navigation: WKNavigation!) {
 //ready to be processed
}
</code></pre>

<a href="https://stackoverflow.com/a/57083045/4770877">[get/set HTML from UIWebView]</a>

blocks|key|4441199|text|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。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4441200|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。|4441201|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))
++++}
}|code-block|syntax|javascript|4441202|entityMap^0|0|0|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|L|8|@]|9|@]|A|$]]|$1|D|3|E|5|F|7|M|8|@]|9|@]|A|$G|H]]|$1|I|3|-4|5|6|7|N|8|@]|9|@]|A|$]]]|J|$]]

I was here to try to get clues about getting result after asking token form DROPBOX new APIS.
(I am implementing their flow WITHOUT all the stuff of their SDK)
Hope can help someone.
Now Dropbox uses a web page as login, and calls back YOUR url where You can process token.
<pre><code>import WebKit
import SwiftUI

// some code from:
// https://benoitpasquier.com/create-webview-in-swiftui/
// THX pasquier!

let APP_KEY = &quot;YOUR APP KEY&quot;
let REDIRECT_URI = &quot;&lt;YOUR SITE&gt;.dropbox_auth.php&quot;
let DB_URL = &quot;https://www.dropbox.com/1/oauth2/authorize?client_id=APP_KEY&amp;token_access_type=offline&amp;response_type=code&amp;redirect_uri=REDIRECT_URI&quot;

class MyWKDelegate: NSObject, WKNavigationDelegate{
 
 func webView(_ webView: WKWebView, didFinish navigation: WKNavigation!) {
 print(&quot;End loading&quot;)
 webView.evaluateJavaScript(&quot;document.body.innerHTML&quot;, 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) -&gt; 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: &quot;APP_KEY&quot;, with: APP_KEY).replacingOccurrences(of: &quot;REDIRECT_URI&quot;, with: REDIRECT_URI)
 print(urlStr)
 url = URL(string: urlStr)

 loadUrl()
 }
 
 func loadUrl() {
 webView.load(URLRequest(url: url))
 }
}
</code></pre>

blocks|key|4441232|text|将答案1和答案3组合在一起对我来说很有效：|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4441233|func+webView(_+webView:+WKWebView,+didFinish+navigation:+WKNavigation!)+{
+++print("End+loading")++++++++
+++webView.evaluateJavaScript("document.documentElement.outerHTML",+completionHandler:+{+result,+error+in+++++++++
++++++if+let+datHtml+=+result+as?+String+{
+++++++++print(datHtml)
+++++++++//+parse+datHtml+here
+++++++++}
++++++}+)
++++}|code-block|syntax|javascript|4441234|entityMap^0|0|0^^$0|@$1|2|3|4|5|6|7|I|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|J|8|@]|9|@]|A|$E|F]]|$1|G|3|-4|5|6|7|K|8|@]|9|@]|A|$]]]|H|$]]

Combining answers 1 and 3 did the trick for me:
<pre><code>func webView(_ webView: WKWebView, didFinish navigation: WKNavigation!) {
 print(&quot;End loading&quot;) 
 webView.evaluateJavaScript(&quot;document.documentElement.outerHTML&quot;, completionHandler: { result, error in 
 if let datHtml = result as? String {
 print(datHtml)
 // parse datHtml here
 }
 } )
 }
</code></pre>

I log into a website using WKWebView and now i would like to parse the html of the website. How can I access the websites html in swift? I know how it works for a UIWebView but not for WKWebView.

Thanks for your help!

Get HTML from WKWebview in Swift

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!

问在Swift中从WKWebview获取超文本标记语言
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