Télécharger le fichier à partir d'une URL distante. Swift

#file

Swift

import UIKit
class ViewController: UIViewController  {
override func viewDidLoad() {
    super.viewDidLoad()
}
override func viewWillAppear(_ animated: Bool) {
    super.viewWillAppear(animated)

let documentsUrl:URL =  FileManager.default.urls(for: .documentDirectory, in: .userDomainMask).first!
    let destinationFileUrl = documentsUrl.appendingPathComponent("downloadedFile.jpg")

let fileURL = URL(string: "https://s3.amazonaws.com/learn-swift/IMG_0001.JPG")
    
    let sessionConfig = URLSessionConfiguration.default
    let session = URLSession(configuration: sessionConfig)
 
    let request = URLRequest(url:fileURL!)
    
    let task = session.downloadTask(with: request) { (tempLocalUrl, response, error) in
        if let tempLocalUrl = tempLocalUrl, error == nil {

if let statusCode = (response as? HTTPURLResponse)?.statusCode {
                print("Successfully downloaded. Status code: \(statusCode)")
            }
            
            do {
                try FileManager.default.copyItem(at: tempLocalUrl, to: destinationFileUrl)
            } catch (let writeError) {
                print("Error creating a file \(destinationFileUrl) : \(writeError)")
            }
            
        } else {
            print("Error took place while downloading a file. Error description: %@", error?.localizedDescription);
        }
    }
    task.resume()
    
  }
}

xxxxxxxxxx
 
import UIKit
class ViewController: UIViewController  {
override func viewDidLoad() {
    super.viewDidLoad()
}
override func viewWillAppear(_ animated: Bool) {
    super.viewWillAppear(animated)
    
​
    let documentsUrl:URL =  FileManager.default.urls(for: .documentDirectory, in: .userDomainMask).first!
    let destinationFileUrl = documentsUrl.appendingPathComponent("downloadedFile.jpg")
    
​
    let fileURL = URL(string: "https://s3.amazonaws.com/learn-swift/IMG_0001.JPG")
    
    let sessionConfig = URLSessionConfiguration.default
    let session = URLSession(configuration: sessionConfig)
 
    let request = URLRequest(url:fileURL!)
    
    let task = session.downloadTask(with: request) { (tempLocalUrl, response, error) in
        if let tempLocalUrl = tempLocalUrl, error == nil {
​
            if let statusCode = (response as? HTTPURLResponse)?.statusCode {
                print("Successfully downloaded. Status code: \(statusCode)")
            }
            
            do {
                try FileManager.default.copyItem(at: tempLocalUrl, to: destinationFileUrl)
            } catch (let writeError) {
                print("Error creating a file \(destinationFileUrl) : \(writeError)")
            }
            
        } else {
            print("Error took place while downloading a file. Error description: %@", error?.localizedDescription);
        }
    }
    task.resume()
    
  }
}

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Télécharger le fichier à partir d'une URL distante. Swift

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