將PDF文件上傳到Google雲端硬盤

我正嘗試使用Javascript將以下文件上傳到我的Google雲端硬盤，並使用Google Developer's示例。該文件由用戶選擇過程即時創建，然後自動下載到默認目錄（下載）。有沒有辦法將文件同時放置在Google雲端硬盤上？我使用jsPDF，並嘗試了一些像下面這樣的東西，但不成功。將PDF文件上傳到Google雲端硬盤

E:\Downloads\MyFile.pdf

我繞過文件選取器，因爲我知道要上傳哪個文件。我修改了Google示例以將代碼傳遞給文件名，但它失敗了。

我想我需要在我的硬盤上創建一個Blob文件，然後傳遞給Google API，但我嘗試了一些沒有成功的組合。任何幫助表示讚賞。

<html> 
    <head> 
    <meta http-equiv="Content-type" content="text/html;charset=UTF-8"> 
    <script type="text/javascript"> 
     var CLIENT_ID = 'my-client-id'; 
     var SCOPES = 'https://www.googleapis.com/auth/drive'; 
     var FOLDER_ID = 'my-drive-folder-id'; 

     /** 
     * Called when the client library is loaded to start the auth flow. 
     */ 
     function handleClientLoad() { 
     window.setTimeout(checkAuth, 1); 
     } 

     /** 
     * Check if the current user has authorized the application. 
     */ 
     function checkAuth() { 
     gapi.auth.authorize(
      {'client_id': CLIENT_ID, 'scope': SCOPES, 'immediate': true}, 
      handleAuthResult); 
     } 

     /** 
     * Called when authorization server replies. 
     * 
     * @param {Object} authResult Authorization result. 
     */ 
     function handleAuthResult(authResult) { 
     if (authResult && !authResult.error) { 
      var MyFile = "E:\PAPA\Downloads\test.pdf"; 
      insertFile(MyFile); 
     } 
     } 

     /** 
     * Start the file upload. 
     * 
     * @param {Object} evt Arguments from the file selector. 
     */ 
     function uploadFile(evt) { 
     gapi.client.load('drive', 'v2', function() { 
      var file = evt.target.files[0]; 
      insertFile(file); 
     }); 
     } 

     /** 
     * Insert new file. 
     * 
     * @param {File} fileData File object to read data from. 
     * @param {Function} callback Function to call when the request is complete. 
     */ 
     function insertFile(fileData, callback) { 
     const boundary = '-------314159265358979323846'; 
     const delimiter = "\r\n--" + boundary + "\r\n"; 
     const close_delim = "\r\n--" + boundary + "--"; 

     var reader = new FileReader(); 
     reader.readAsBinaryString(fileData); 
     reader.onload = function(e) { 
      var contentType = fileData.type || 'application/octet-stream'; 
      var metadata = { 
      'title': fileData.name, 
      'mimeType': contentType, 
      'parents': [{"id":FOLDER_ID}] 
      }; 

      var base64Data = btoa(reader.result); 
      var multipartRequestBody = 
       delimiter + 
       'Content-Type: application/json\r\n\r\n' + 
       JSON.stringify(metadata) + 
       delimiter + 
       'Content-Type: ' + contentType + '\r\n' + 
       'Content-Transfer-Encoding: base64\r\n' + 
       '\r\n' + 
       base64Data + 
       close_delim; 

      var request = gapi.client.request({ 
       'path': '/upload/drive/v2/files/', 
       'method': 'POST', 
       'params': {'uploadType': 'multipart'}, 
       'headers': { 
       'Content-Type': 'multipart/mixed; boundary="' + boundary + '"' 
       }, 
       'body': multipartRequestBody}); 
      if (!callback) { 
      callback = function(file) { 
       console.log(file) 
      }; 
      } 
      request.execute(callback); 
     } 
     } 
    </script> 
    <script type="text/javascript" src="https://apis.google.com/js/client.js?onload=handleClientLoad"></script> 
    </head> 
    <body> 
    <!--Add a file picker for the user to start the upload process --> 
    <input type="file" id="filePicker" style="display: none" /> 
    <input type="button" id="authorizeButton" style="display: none" value="Authorize" /> 
    </body> 
</html>

來源

2014-05-01 TheRealPapa