How to save UIWebView content for offline display?

Question

I'm using Xcode 7.2 and Swift to create an iOS app, on this app I display the content of my website, however if I was offline the content will not be shown. So I want to cache the webpage and display for offline.

After I declared everything I'm using the following code :

    var URLPATH="http://google.com"

    let requestURL = NSURL(string: URLPATH)

    let request = NSURLRequest(URL: requestURL!)

    WB.loadRequest(request)

Answer 1

1. HTML to Data

   let urla = URL(string: obj.1["content_url"].stringValue)

   if urla != nil {
   
   person.setValue(try? Data(contentsOf: urla!), forKey: "content_article")
   

   }

   2. Data to WebView

let data = self.fetchedResultsController.fetchedObjects?.first?.content_article

 let baseUrl = self.fetchedResultsController.fetchedObjects?.first?.content_url
    webView.load(data! as Data, mimeType: "text/html", textEncodingName: "", baseURL: URL(string: baseUrl!)

!)