SpringBoot整合Redis

1.引入maven依赖

<dependency>
   <groupId>redis.clients</groupId>
   <artifactId>jedis</artifactId>
</dependency>

2.在application.properties里面配置地址

spring.redis.host=192.168.3.4
spring.redis.port=6379
spring.redis.database=0

3.在config文件中配置RedisConfig

import com.hourui.util.RedisUtil;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

@Configuration
public class RedisConfig {

    //读取配置文件中的redis的ip地址
    @Value("${spring.redis.host:disabled}")
    private String host;

    @Value("${spring.redis.port:0}")
    private int port;

    @Value("${spring.redis.database:0}")
    private int database;

    @Bean
    public RedisUtil getRedisUtil() {
        if (host.equals("disabled")) {
            return null;
        }
        RedisUtil redisUtil = new RedisUtil();
        redisUtil.initPool(host, port, database);
        return redisUtil;
    }
}

4.在util文件中配置RedisUtil

import redis.clients.jedis.Jedis;
import redis.clients.jedis.JedisPool;
import redis.clients.jedis.JedisPoolConfig;

public class RedisUtil {

    private JedisPool jedisPool;

    public void initPool(String host,int port ,int database){
        JedisPoolConfig poolConfig = new JedisPoolConfig();
        poolConfig.setMaxTotal(200);
        poolConfig.setMaxIdle(30);
        poolConfig.setBlockWhenExhausted(true);
        poolConfig.setMaxWaitMillis(10*1000);
        poolConfig.setTestOnBorrow(true);
        jedisPool=new JedisPool(poolConfig,host,port,20*1000);
    }

    public Jedis getJedis(){
        Jedis jedis = jedisPool.getResource();
        return jedis;
    }

}

5.注入RedisUtil,然后使用

@Service
public class CartServiceImpl implements CartService {

    @Autowired
    RedisUtil redisUtil;

    @Override
    public void addCart(OmsCartItem omsCartItem) {

        cartItemMapper.insertSelective(omsCartItem);

        // 同步redis缓存
        Jedis jedis = redisUtil.getJedis();

        jedis.hset("user:"+omsCartItem.getMemberId()+":cart",omsCartItem.getId(), JSON.toJSONString(omsCartItem));

        jedis.close();

    }
}