6. 参考URL
• Using OAuth with the Google Data APIs
- https://developers.google.com/gdata/articles/oauth
• OAuth 2.0 Playground
- https://code.google.com/oauthplayground/
• Google APIs Client Library for Java
- http://code.google.com/p/google-api-java-client
• Google Drive SDK
- https://developers.google.com/drive/