REST API supports only the format given below, so please be cautious before executing your code.

Create a file and add it to a folder.

url: http://site url/_api/web/GetFolderByServerRelativeUrl('/newFolder')/Files
method: GET
Headers:
Authorization: "Bearer " + accessToken
X-RequestDigest: form digest value
content-length:length of post body

Source code

Copy the code given below and paste in your SharePoint ADD-IN.

Create a file into the folder in SharePoint O365, using REST API.
  1. var hostweburl;
  2. var appweburl;
  5. $(document).ready(function () {
  7. hostweburl = decodeURIComponent(getQueryStringParameter("SPHostUrl"));
  8. appweburl = decodeURIComponent(getQueryStringParameter("SPAppWebUrl"));
  10. $.getScript(hostweburl + "/_layouts/15/SP.RequestExecutor.js", runCrossDomainRequest);
  11. });
  14. function runCrossDomainRequest() {
  15. var executor = new SP.RequestExecutor(appweburl);
  16. executor.executeAsync({
  17. url: appweburl +"_api/web/GetFolderByServerRelativeUrl('/CustomFolder')/Files/add(url='Test.txt',overwrite=true)"
  18. method: POST
  19. body: "Contents of file"
  20. Headers:
  21. Authorization: "Bearer " + accessToken
  22. X-RequestDigest: form digest value
  23. content-length:length of post body
  24. success: successHandler
  25. error: errorHandler
  26. });
  27. }
  30. function getQueryStringParameter(paramToRetrieve) {
  31. var params = document.URL.split("?")[1].split("&");
  32. var strParams = "";
  33. for (var i = 0; i < params.length; i = i + 1) {
  34. var singleParam = params[i].split("=");
  35. if (singleParam[0] == paramToRetrieve) return singleParam[1];
  36. }
  37. }
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