<dependency>
  <groupId>org.springframework.boot</groupId>
  <artifactId>spring-boot-starter-data-jpa</artifactId>
</dependency>

<dependency>
  <groupId>org.springframework.boot</groupId>
  <artifactId>spring-boot-starter-cache</artifactId>
</dependency>

<dependency>
  <groupId>org.springframework.boot</groupId>
  <artifactId>spring-boot-starter-data-redis</artifactId>
  <version>1.5.2.RELEASE</version>
</dependency>

<dependency>
  <groupId>mysql</groupId>
  <artifactId>mysql-connector-java</artifactId>
</dependency>

# JPA配置
spring.datasource.url=jdbc:mysql://localhost:3306/your_db
spring.datasource.username=root
spring.datasource.password=password
spring.datasource.driver-class-name=com.mysql.jdbc.Driver
spring.jpa.hibernate.ddl-auto=update
spring.jpa.properties.hibernate.show_sql=true

# Redis配置
spring.session.store-type=redis
spring.redis.database=0
spring.redis.host=localhost
spring.redis.port=6379

@Entity
public class User implements Serializable {

  @Id
  @GeneratedValue
  private long id;

  @Column(nullable = false)
  private String name;

  @Column(nullable = false)
  private int age;

  public User() {}

  public User(String name, int age) {
    this.name = name;
    this.age = age;
  }

  public long getId() {
    return id;
  }

  public void setId(long id) {
    this.id = id;
  }

  public String getName() {
    return name;
  }

  public void setName(String username) {
    this.name = username;
  }

  public int getAge() {
    return age;
  }

  public void setAge(int age) {
    this.age = age;
  }
}

public interface UserRepository extends JpaRepository<User, Long> {
  User findByName(String name);
}

@SpringBootApplication
public class DemoApplication {

  private Logger logger = LoggerFactory.getLogger(this.getClass());

  public static void main(String[] args) {
    SpringApplication.run(DemoApplication.class, args);
  }

  @Bean
  public CommandLineRunner init(UserRepository userRepository) {
    return args -> {
      userRepository.save(new User("zhtian", 21));

      logger.info("第一次读取： " + userRepository.findByName("zhtian").getAge());

      logger.info("第二次读取： " + userRepository.findByName("zhtian").getAge());


    };
  }

}

hibernate: insert into user (age, name) values (?, ?) 
2017-06-12 01:44:35.591 INFO 9640 — [ main] o.h.h.i.QueryTranslatorFactoryInitiator : HHH000397: Using ASTQueryTranslatorFactory
Hibernate: select user0_.id as id1_0_, user0_.age as age2_0_, user0_.name as name3_0_ from user user0_ where user0_.name=? 
2017-06-12 01:44:35.706 INFO 9640 — [ main] ication$$EnhancerBySpringCGLIB$$8a74524d : 第一次读取： 21 
Hibernate: select user0_.id as id1_0_, user0_.age as age2_0_, user0_.name as name3_0_ from user user0_ where user0_.name=? 
2017-06-12 01:44:35.706 INFO 9640 — [ main] ication$$EnhancerBySpringCGLIB$$8a74524d : 第二次读取： 21

@SpringBootApplication
@EnableCaching
public class DemoApplication {

  private Logger logger = LoggerFactory.getLogger(this.getClass());

  public static void main(String[] args) {
    SpringApplication.run(DemoApplication.class, args);
  }

  @Bean
  public CommandLineRunner init(UserRepository userRepository) {
    return args -> {
      userRepository.save(new User("zhtian", 21));

      logger.info("第一次读取： " + userRepository.findByName("zhtian").getAge());

      logger.info("第二次读取： " + userRepository.findByName("zhtian").getAge());


    };
  }

}

@CacheConfig(cacheNames = "users")
public interface UserRepository extends JpaRepository<User, Long> {

  @Cacheable
  User findByName(String name);

}

Hibernate: insert into user (age, name) values (?, ?) 
2017-06-12 01:52:41.468 INFO 10680 — [ main] o.h.h.i.QueryTranslatorFactoryInitiator : HHH000397: Using ASTQueryTranslatorFactory 
Hibernate: select user0_.id as id1_0_, user0_.age as age2_0_, user0_.name as name3_0_ from user user0_ where user0_.name=? 
2017-06-12 01:52:41.589 INFO 10680 — [ main] ication$$EnhancerBySpringCGLIB$$1dda78b5 : 第一次读取： 21 
2017-06-12 01:52:41.589 INFO 10680 — [ main] ication$$EnhancerBySpringCGLIB$$1dda78b5 : 第二次读取： 21

127.0.0.1:6379> keys * 
1) “users:\xac\xed\x00\x05t\x00\x06zhtian”