直接貼代碼:
1、pom.xml添加依賴配置
<!-- 支持Redis鍵值存儲數據庫,包括spring-redis -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-redis</artifactId>
</dependency>
2、application.yml添加redis集羣的配置項
spring:
redis:
timeout: 10000 #連接超時時間(毫秒)
cluster:
nodes:
- 127.0.2.39:7000
- 127.0.2.39:7001
- 127.0.2.39:7002
- 127.0.2.38:7003
- 127.0.2.38:7004
- 127.0.2.38:7005
max-redirects: 6
pool:
max-active: 8 #連接池最大連接數
max-idle: 8 #連接池中的最大空閒連接
min-idle: 0 #連接池中的最小空閒連接
max-wait: -1 #連接池最大阻塞等待時間
3、程序配置RedisTemplate相關Bean對象
package com.wzz.config;
import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.redis.connection.RedisConnectionFactory;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.data.redis.serializer.Jackson2JsonRedisSerializer;
import org.springframework.data.redis.serializer.StringRedisSerializer;
/**
* @Author wangzz
* @Date 2019/2/22 11:27
* @Description
*/
@Configuration
public class RedisConfig {
@Bean
public RedisTemplate<String, Object> redisTemplate(RedisConnectionFactory connectionFactory) {
RedisTemplate<String, Object> template = new RedisTemplate<>();
// 配置連接工廠
template.setConnectionFactory(connectionFactory);
//使用Jackson2JsonRedisSerializer來序列化和反序列化redis的value值(默認使用JDK的序列化方式)
Jackson2JsonRedisSerializer jacksonSeial = new Jackson2JsonRedisSerializer(Object.class);
ObjectMapper om = new ObjectMapper();
// 指定要序列化的域,field,get和set,以及修飾符範圍,ANY是都有包括private和public
om.setVisibility(PropertyAccessor.ALL, JsonAutoDetect.Visibility.ANY);
// 指定序列化輸入的類型,類必須是非final修飾的,final修飾的類,比如String,Integer等會跑出異常
om.enableDefaultTyping(ObjectMapper.DefaultTyping.NON_FINAL);
jacksonSeial.setObjectMapper(om);
// 值採用json序列化
template.setValueSerializer(jacksonSeial);
//使用StringRedisSerializer來序列化和反序列化redis的key值
template.setKeySerializer(new StringRedisSerializer());
// 設置hash key 和value序列化模式
template.setHashKeySerializer(new StringRedisSerializer());
template.setHashValueSerializer(jacksonSeial);
template.afterPropertiesSet();
return template;
}
@Bean
public StringRedisTemplate stringRedisTemplate(RedisConnectionFactory factory) {
StringRedisTemplate stringRedisTemplate = new StringRedisTemplate();
stringRedisTemplate.setConnectionFactory(factory);
return stringRedisTemplate;
}
}
4、程序調用
package com.wzz.listener;
import com.alibaba.fastjson.JSON;
import com.google.common.collect.Lists;
import com.wzz.dao.model.TbDictionary;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.CommandLineRunner;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.data.redis.core.StringRedisTemplate;
import org.springframework.stereotype.Component;
import java.util.List;
import java.util.concurrent.TimeUnit;
/**
* @Author wangzz
* @Date 2019/2/22 12:04
* @Description
*/
@Component
@Slf4j
public class RedisCacheExecutor implements CommandLineRunner {
@Autowired
private RedisTemplate<String,Object> redisTemplate;
@Autowired
private StringRedisTemplate stringRedisTemplate;
@Override
public void run(String... args) throws Exception{
String key = "Site_Web:Redis:key";
// String value = String.valueOf(Calendar.getInstance().getTimeInMillis());
TbDictionary dict = new TbDictionary();
dict.setId(1);
dict.setCode("XXXXXXXXXXXXXXX");
redisTemplate.opsForValue().set(key,dict,2, TimeUnit.SECONDS);
TbDictionary cacheDict = (TbDictionary)redisTemplate.opsForValue().get(key);
log.info("-------------{}-----------",JSON.toJSON(cacheDict).toString());
List<TbDictionary> list = Lists.newArrayList();
list.add(dict);
redisTemplate.opsForValue().set(key,list,5,TimeUnit.SECONDS);
List<TbDictionary> cacheList = (List<TbDictionary>)redisTemplate.opsForValue().get(key);
log.info("-------------{}-----------",JSON.toJSON(cacheList).toString());
}
}
Redis配置相對簡單,實際的項目開發中,我們合理的去使用,讓我們開發的代碼更好一些,少讓別人說我們寫的代碼有各種問題,提高自我的這種意識。