我正在使用
java库进行oauth2身份验证来访问谷歌电子表格.
我使用以下代码进行OAuth2身份验证:
credential = new GoogleCredential.Builder().setTransport(HTTP_TRANSPORT)
.setJsonFactory(JSON_FACTORY)
.setServiceAccountId(SERVICE_ACCOUNT_EMAIL)
.setTokenServerEncodedUrl("https://accounts.google.com/o/oauth2/token")
.setServiceAccountScopes("https://www.googleapis.com/auth/drive", "https://spreadsheets.google.com/feeds", "https://docs.google.com/feeds")
.setServiceAccountPrivateKeyFromP12File(new File("xxxxx-privatekey.p12")).build();
获得“凭证”后,使用以下代码阅读电子表格:
SpreadsheetService service = new SpreadsheetService(
"MySpreadsheetIntegration");
service.setOAuth2Credentials(credential);
URL SPREADSHEET_FEED_URL = new URL("https://spreadsheets.google.com/feeds/spreadsheets/private/full");
SpreadsheetFeed feed = service.getFeed(SPREADSHEET_FEED_URL, SpreadsheetFeed.class);
System.out.println(feed.getTotalResults());
执行上面的代码会给我回到总结果0.
如果我使用:
service.setUserCredentials("email", "password");
代替oauth2身份验证,它给了我正确的结果.不确定OAuth2身份验证有什么问题.
此外,当我从“凭证”对象打印“访问令牌”时,它会打印一个有效的访问令牌.
最佳答案 我用:
spreadsheetService = new SpreadsheetService("cellmaster.com.au-v0.2");
spreadsheetService.setHeader("Authorization", "Bearer " + accessToken);
而不是:
spreadsheetService = new SpreadsheetService("cellmaster.com.au-v0.2");
spreadsheetService.setOAuth2Credentials(credential);
我还必须为刷新令牌添加代码.随着访问令牌即将到期.但刷新令牌的工作方式与您预期的一样.