#参考google开发者文档 https://developers.google.com/identity/sign-in/android/backend-auth
maven
<!--google登录--> <dependency> <groupId>com.google.api-client</groupId> <artifactId>google-api-client</artifactId> <version>1.30.10</version> </dependency>
Java service 代码片段
GoogleIdTokenVerifier verifier = new GoogleIdTokenVerifier.Builder(new NetHttpTransport(), JacksonFactory.getDefaultInstance()) // Specify the CLIENT_ID of the app that accesses the backend: .setAudience(Collections.singletonList("googleClientId 客户端id")) // Or, if multiple clients access the backend: //.setAudience(Arrays.asList(CLIENT_ID_1, CLIENT_ID_2, CLIENT_ID_3)) .build(); // (Receive idTokenString by HTTPS POST) GoogleIdToken idToken = null; try { idToken = verifier.verify("google登录token"); } catch (GeneralSecurityException | IOException e) { e.printStackTrace(); } Payload payload = idToken.getPayload(); // Print user identifier String userId = payload.getSubject(); logger.info("Google User ID: {}", userId); // Get profile information from payload String email = payload.getEmail(); boolean emailVerified = payload.getEmailVerified(); String name = (String) payload.get("name"); String pictureUrl = (String) payload.get("picture"); String userLocale = (String) payload.get("locale"); String familyName = (String) payload.get("family_name"); String givenName = (String) payload.get("given_name"); //{"aud":"*******-*******fica2daig6o2j.apps.googleusercontent.com", // "azp":"*******-*******6l5832penvmjsf6rrc.apps.googleusercontent.com", // "email":"*******@gmail.com", // "email_verified":true, // "exp":16*******575,"iat":161*******4975,"iss":"https://accounts.google.com", // "sub":"113*******824269","name":"***", // "picture":"https://l*******w/s96-c/photo.jpg", // "given_name":"*","family_name":"*","locale":"zh-CN"} logger.info("google payload = {}", JsonUtils.toJson(payload)); // Use or store profile information