SpringBoot读取application.properties文件内容

application.yml内容

tm:
  service:
    admin:
      username: xxx
      password: aaa
      email: bbb

配置内容

@Service
public class LoginService {

    @Value("${tm.service.admin.username}")
    String adminUsername;

    @Value("${tm.service.admin.password}")
    String adminPassword;

    @Value("${tm.service.admin.email}")
    String adminEmail;