如何在Spring Boot应用程序中使用Redis?

在Spring Boot应用程序中使用Redis缓存的步骤:

1.要获得Redis连接,我们可以使用Lettuce或Jedis客户端库,Spring Boot 2.0启动程序spring-boot-starter-data-redis默认使用了Lettuce。要获得Redis的池化连接工厂,我们需要在类路径上提供commons-pool2,下面展示使用Lettuce情况下的Maven依赖项配置:

org.springframework.bootspring-boot-starter-data-redisorg.apache.commonscommons-pool2

2.在application.properties中配置spring.redis.*前缀的参数:

spring.redis.host=localhost

spring.redis.port=6379

spring.redis.password=

spring.redis.lettuce.pool.max-active=7

spring.redis.lettuce.pool.max-idle=7

spring.redis.lettuce.pool.min-idle=2

spring.redis.lettuce.pool.max-wait=-1ms

spring.redis.lettuce.shutdown-timeout=200ms

spring.cache.redis.cache-null-values=false

spring.cache.redis.time-to-live=600000

spring.cache.redis.use-key-prefix=true

3. 在 @SpringBootApplication类使用@EnableCaching激活Redis:

@SpringBootApplication

@EnableCaching

publicclassSpringBootAppStarter {

publicstaticvoidmain(String[] args) {

SpringApplication.run(SpringBootAppStarter.class, args);

}

}

如果想用Jedis 客户端,需要排除Lettuce,加入Jedis:

org.springframework.bootspring-boot-starter-data-redisio.lettucelettuce-coreredis.clientsjedis

jedis将自动在类路径上解决commons-pool2, application配置:

spring.redis.host=localhost spring.redis.port=6379spring.redis.password= spring.redis.jedis.pool.max-active=7spring.redis.jedis.pool.max-idle=7spring.redis.jedis.pool.min-idle=2spring.redis.jedis.pool.max-wait=-1ms

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