Create folder if it does not exist in the Google Drive(如果 Google Drive 中不存在文件夹,请创建该文件夹)
问题描述
我的应用程序使用 Google Drive Java API.
My Application works with Google Drive Java API.
我只想在 Google Drive 的根目录中创建文件夹,前提是它不存在.我正在使用下面的代码来创建文件夹.
I want to create folder in the root of the Google Drive only if it does not exist. I am using below code to creat folder.
file = service.files().insert(body).execute();
如何检查根文件夹中的文件夹是否存在.我只有文件夹名称Myapp",没有实例 ID.
How do i check the folder existance in the root folder. I have only the folder name 'Myapp', not the instance ID.
推荐答案
Files.List request = service.files().list().setQ(
"mimeType='application/vnd.google-apps.folder' and trashed=false");
FileList files = request.execute();
您现在可以浏览文件"中的所有文件夹并检查是否有任何文件夹具有搜索的标题.
You could now go through all folders in "files" and check if any of the folders have the searched title.
不要忘记遍历所有页面:
Don't forget to loop through all pages with:
request.setPageToken(files.getNextPageToken());
也许你可以看看这个网站.您可以在搜索条件中添加标题,这样您就不必检索所有文件夹.
Maybe you could have a look at this site. You can add the title in your search criteria instead so you do not have to retrieve all the folders.
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