Please refer to the Introduction to PnP Core Component and OfficeDevPnP.Core for more details. I have created a console application and added SharePointPnPCore2016 NuGet package for the SharePoint 2016 version.
Code Snippet
  1. using System;
  2. using System.Collections.Generic;
  3. using System.Linq;
  4. using System.Text;
  5. using System.Threading.Tasks;
  6. using Microsoft.SharePoint.Client;
  7. using OfficeDevPnP.Core;
  8. namespace SP2016PnPCoreComponentDemo
  9. {
  10. class Program
  11. {
  12. static void Main(string[] args)
  13. {
  14. // Input Parameters
  15. string siteUrl = "http://c7395723754/";
  16. string userName = "administrator";
  17. string password = "xxxxxxxxxxx";
  18. string domain = "AD2012";
  19. string serverRelativeURL = "/Shared Documents/Folder";
  20. string localPath = @"C:\Users\Administrator.AD2012\Documents\Folder\Document.rtf";
  21. string fileName = "UploadedDocument";
  22. OfficeDevPnP.Core.AuthenticationManager authMgr = new OfficeDevPnP.Core.AuthenticationManager();
  23. try
  24. {
  25. // Get the client context
  26. using (var ctx = authMgr.GetNetworkCredentialAuthenticatedContext(siteUrl, userName, password, domain))
  27. {
  28. // Upload a file to a specific folder
  29. Folder folder = ctx.Web.GetFolderByServerRelativeUrl(serverRelativeURL);
  30. folder.UploadFile(fileName, localPath, true);
  31. }
  32. }
  33. catch (Exception ex)
  34. {
  35. Console.WriteLine("Error Message: " + ex.Message);
  36. }
  37. }
  38. }
  39. }