如何使用 Google 驱动器 API 上传文件？

Question

我正在尝试在 Android

上使用 Google 驱动器 api 上传文件

https://github.com/googlesamples/google-services/tree/master/android/signin/app/src/main/java/com/google/samples/quickstart/signin

我在上面的 link 中注册了 SignInActivityWithDrive.java。

但是没有上传文件、下载文件的例子

我想知道如何上传和下载文件

谢谢

Answer 1

您可以在文档中找到 uploading and downloading 的基本示例。

正在上传

You can send upload requests in any of the following ways:

Simple upload: uploadType=media. For quick transfer of a small file (5 MB or less). To perform a simple upload, refer to Performing a Simple Upload.

Multipart upload: uploadType=multipart. For quick transfer of a small file (5 MB or less) and metadata describing the file, all in a single request. To perform a multipart upload, refer to Performing a Multipart Upload.

Resumable upload: uploadType=resumable. For more reliable transfer, especially important with large files. Resumable uploads are a good choice for most applications, since they also work for small files at the cost of one additional HTTP request per upload. To perform a resumable upload, refer to Performing a Resumable Upload.

以下示例展示了如何使用客户端库上传图像：

File fileMetadata = new File();
fileMetadata.setName("photo.jpg");
java.io.File filePath = new java.io.File("files/photo.jpg");
FileContent mediaContent = new FileContent("image/jpeg", filePath);
File file = driveService.files().create(fileMetadata, mediaContent)
    .setFields("id")
    .execute();
System.out.println("File ID: " + file.getId());

正在下载

Depending on the type of download you'd like to perform — a file, a Google Document, or a content link — you'll use one of the following URLs:

Download a file — files.get with alt=media file resource

Download and export a Google Doc — files.export

Link a user to a file — webContentLink from the file resource

基本下载的示例是：

String fileId = "0BwwA4oUTeiV1UVNwOHItT0xfa2M";
OutputStream outputStream = new ByteArrayOutputStream();
driveService.files().get(fileId)
    .executeMediaAndDownloadTo(outputStream);

Answer 2

现在是 2022 年，Google 驱动器 API 的工作方式可能已经发生了重大变化。我需要从具有终端访问权限的远程服务器上传大量大文件。这就是我让它为我工作的方式：

使用 this link 中详述的步骤创建 Google 服务 API（在您的本地计算机上）并获取 API 凭据。在 步骤 3 之前需要一个额外的步骤，转到左侧面板上的 'OAuth consent screen' 选项卡并完成所需的必要步骤。您只需执行一次。对于免费 google 帐户，您必须 select 外部作为 API 类型（但您始终可以将 api 保留在 testing 模式不允许其他人使用它）。还要在此面板中添加您希望用作测试用户的 gmail 地址。继续上述 link.
从第 1 步开始，您应该得到一个 client_secret_XXXXX.json 文件。使用 SCP 将其复制到您的远程计算机工作目录。将文件重命名为 client_secrets.json.
pip install pydrive
在远程工作目录中导入并运行以下内容。

from pydrive.auth import GoogleAuth
gauth = GoogleAuth()           
gauth.CommandLineAuth()

它将为您提供一个 link，您可以使用它从本地计算机登录到您的 google 帐户。您将获得一个登录密钥，您可以将其粘贴到您的远程终端中。

上传文件名列表

from pydrive.drive import GoogleDrive
drive = GoogleDrive(gauth)

for filename in filename_list:
    ## Enter folder ID here. 
    ## You can get the folder Id from your drive link e.g.,
    ## https://drive.google.com/drive/u/2/folders/1pzschX3uMbxU0lB5WZ6IlEEeAUE8MZ-t
    
    gfile = drive.CreateFile({'parents': [{'id': '1pzschX3uMbxU0lB5WZ6IlEEeAUE8MZ-t'}]})    
    gfile.SetContentFile(filename)
    gfile.Upload() # Upload the file.

如何使用 Google 驱动器 API 上传文件？

How to upload files using the Google Drive API?

android

google-drive-android-api