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这是项目结构
RedisCacheConfig
package com.ssm.promotion.core.redis;
import org.springframework.cache.CacheManager;
import org.springframework.cache.annotation.CachingConfigurerSupport;
import org.springframework.cache.annotation.EnableCaching;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.cache.RedisCacheManager;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.connection.jedis.JedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Component;
/**
* Created by 13 on 2017/12/4.
*/
@Component
@EnableCaching
@Configuration
public class RedisCacheConfig extends CachingConfigurerSupport {
@Bean
public JedisConnectionFactory redisConnectionFactory() {
JedisConnectionFactory redisConnectionFactory = new JedisConnectionFactory();
//ip地址
redisConnectionFactory.setHostName("127.0.0.1");
//端口号
redisConnectionFactory.setPort(6379);
//redis登录密码
redisConnectionFactory.setPassword("");
//database 默认是16个,不设置的话默认为0
redisConnectionFactory.setDatabase(2);
return redisConnectionFactory;
}
@Bean
public RedisTemplate<String, String> redisTemplate(RedisConnectionFactory cf) {
RedisTemplate<String, String> redisTemplate = new RedisTemplate<String, String>();
redisTemplate.setConnectionFactory(cf);
return redisTemplate;
}
@Bean
public CacheManager cacheManager(RedisTemplate redisTemplate) {
RedisCacheManager cacheManager = new RedisCacheManager(redisTemplate);
//默认过期时间
cacheManager.setDefaultExpiration(3000);
return cacheManager;
}
}
RedisUtil
package com.ssm.promotion.core.redis;
import org.springframework.data.redis.cache.RedisCache;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Component;
/**
* Created by 13 on 2017/12/4.
*/
@Component
public class RedisUtil {
private static final String CACHE_NAME = "perfect-ssm-cache:";
// 过期时间
private static final int EXPIRE_TIME = 3000;
private RedisTemplate template;
private RedisCache cache;
public RedisUtil() {
init();
}
public void init() {
template = SpringUtil.getBean("redisTemplate");//RedisCacheConfig中定义了
cache = new RedisCache(CACHE_NAME, CACHE_NAME.getBytes(), template, EXPIRE_TIME);
}
public void put(String key, Object obj) {
cache.put(key, obj);
}
public Object get(String key, Class clazz) {
return cache.get(key) == null ? null : cache.get(key, clazz);
}
public void del(String key) {
cache.evict(key);
}
}
pom依赖:
<!-- Start: redis -->
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-redis</artifactId>
<version>1.7.2.RELEASE</version>
</dependency>
<dependency>
<groupId>redis.clients</groupId>
<artifactId>jedis</artifactId>
<version>2.9.0</version>
</dependency>
<!-- End: redis -->
链接:https://pan.baidu.com/s/1wsb_guzzMWbBrsKrCV1cMA
提取码:we9o