Spring Cache整合Redis实现方法详解

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

@SpringBootApplication
@EnableCaching
public class RediscacheApplication {

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

}

@Configuration
@ConditionalOnClass(RedisConnectionFactory.class)
@AutoConfigureAfter(RedisAutoConfiguration.class)
@ConditionalOnBean(RedisConnectionFactory.class)
@ConditionalOnMissingBean(CacheManager.class)
@Conditional(CacheCondition.class)
class RedisCacheConfiguration {

	@Bean
	public RedisCacheManager cacheManager(RedisConnectionFactory redisConnectionFactory,
			ResourceLoader resourceLoader) {
		RedisCacheManagerBuilder builder = RedisCacheManager
				.builder(redisConnectionFactory)
				.cacheDefaults(determineConfiguration(resourceLoader.getClassLoader()));
		List<String> cacheNames = this.cacheProperties.getCacheNames();
		if (!cacheNames.isEmpty()) {
			builder.initialCacheNames(new LinkedHashSet<>(cacheNames));
		}
		return this.customizerInvoker.customize(builder.build());
	}
}

@Service
@CacheConfig(cacheNames = "c1")
public class UserService {
}

@Cacheable(key = "#id")
public User getUserById(Integer id,String username) {
 System.out.println("getUserById");
 return getUserFromDBById(id);
}

@CachePut(key = "#user.id")
public User updateUserById(User user) {
 return user;
}

@CacheEvict()
public void deleteUserById(Integer id) {
 //在这里执行删除操作， 删除是去数据库中删除
}