org.springframework.boot
                  
      
       spring-boot-starter-cache
                  
              
             
                 
      
       net.sf.ehcache
                  
      
       ehcache
              
     

@Mapperpublic interface UserMapper {    void insertUser(User user);    void updateUser(User user);    void deleteUser(User user);    @Cacheable(value="user")    User queryUser(Integer id);

@SpringBootApplication@MapperScan("com.example.zs.mapper")@EnableCachingpublic class Application {    public static void main(String[] args) {        SpringApplication.run(Application.class, args);    }}

resources下的ehcache.xml: 
     
         
          
          
          
          
          
          
              
           
          
          
          
      
     

application.properties: spring.cache.ehcache.config=classpath:ehcache.xml

 

public class User  implements Serializable {

@Cacheable的使用 

@CacheEvict：清除缓存