spring boot整合redis

最新推荐文章于 2025-03-27 17:29:29 发布

Steven_sf

最新推荐文章于 2025-03-27 17:29:29 发布

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本文详细介绍了如何在SpringBoot项目中整合Redis，包括创建项目、引入依赖、配置启动类、编写配置类及测试方法，展示了如何使用注解实现缓存功能。

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第一步：创建一个springboot项目

第二步：引入redis依赖

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

第三步：启动类开启缓存注解

@EnableDiscoveryClient
@SpringBootApplication
@EnableFeignClients
@EnableCaching //开启缓存
public class SpringBootRedisApplication {

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

第四步：添加redis配置类

@Configuration
public class RedisConfig extends CachingConfigurerSupport {

	@Bean
	public CacheManager cacheManager(@Qualifier("redisTemplate") RedisTemplate template) {
		return new RedisCacheManager(template);
	}

	@Bean("redisTemplate")
	public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory redisConnectionFactory) {
		Jackson2JsonRedisSerializer<Object> jackson2JsonRedisSerializer = new Jackson2JsonRedisSerializer<>(
				Object.class);
		ObjectMapper objectMapper = new ObjectMapper();
		objectMapper.setVisibility(PropertyAccessor.ALL, Visibility.ANY);
		objectMapper.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
		jackson2JsonRedisSerializer.setObjectMapper(objectMapper);

		RedisTemplate<String, Object> template = new RedisTemplate<>();
		StringRedisSerializer stringRedisSerializer = new StringRedisSerializer(Charset.forName("UTF-8"));
		template.setConnectionFactory(redisConnectionFactory);
		template.setKeySerializer(stringRedisSerializer);
		template.setValueSerializer(jackson2JsonRedisSerializer);
		template.setHashKeySerializer(stringRedisSerializer);
		template.setHashValueSerializer(jackson2JsonRedisSerializer);
		return template;
	}
}

第五步：编写测试方法，在方法上添加注解使用缓存

/** 
 * @Title: cachePut 
 * @Description: cachePut测试
 * @return
 * @return: Object
 */
@CachePut(value = "test", key = "'test:put'")
public Object cachePut() {
	System.out.println("未走缓存");
	return "cachePut";
}

/** 
 * @Title: cacheable 
 * @Description: cacheable测试
 * @return
 * @return: Object
 */
@Cacheable(value = "test", key = "'test:able'")
public Object cacheable() {
	System.out.println("未走缓存");
	return "Cacheable";
}