springboot 配置JedisPool 简洁有效 复制即可运行「建议收藏」

<dependency>
     <groupId>org.springframework.boot</groupId>
     <artifactId>spring-boot-starter-data-redis</artifactId>
</dependency>
<dependency>
     <groupId>redis.clients</groupId>
     <artifactId>jedis</artifactId>
     <version>3.0.1</version>
</dependency>

#redis配置

# Redis数据库索引（默认为0）
spring.redis.database=0
# Redis服务器地址
spring.redis.host=127.0.0.1
# Redis服务器连接端口
spring.redis.port=6379
# Redis服务器连接密码（默认为空）
spring.redis.password=
# 连接池最大连接数
spring.redis.jedis.pool.max-active=100
# 连接池中的最大空闲连接
spring.redis.jedis.pool.max-idle=20
# 连接池中的最小空闲连接
spring.redis.jedis.pool.min-idle=5
# 连接超时时间（毫秒）
spring.redis.timeout=1000
#spring-session 使用
spring.session.store-type=none

import org.apache.log4j.Logger;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.cache.annotation.CachingConfigurerSupport;
import org.springframework.context.annotation.Configuration;
import redis.clients.jedis.JedisPool;
import redis.clients.jedis.JedisPoolConfig;

@Configuration
public class RedisConfig extends CachingConfigurerSupport {

    protected static final Logger logger = Logger.getLogger(RedisConfig.class);

    @Value("${spring.redis.host}")
    private String host;

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

    @Value("${spring.redis.jedis.pool.max-active}")
    private int maxTotal;

    @Value("${spring.redis.jedis.pool.max-idle}")
    private int maxIdle;

    @Value("${spring.redis.jedis.pool.min-idle}")
    private int minIdle;

    @Value("${spring.redis.password}")
    private String password;

    @Value("${spring.redis.timeout}")
    private int timeout;

    public JedisPool redisPoolFactory() {
        JedisPoolConfig jedisPoolConfig = new JedisPoolConfig();
        jedisPoolConfig.setMaxTotal(maxTotal);
        jedisPoolConfig.setMaxIdle(maxIdle);
        jedisPoolConfig.setMinIdle(minIdle);
        JedisPool jedisPool = new JedisPool(jedisPoolConfig, host, port, timeout, null);
        logger.info("JedisPool注入成功！！");
        logger.info("redis地址：" + host + ":" + port);
        return jedisPool;
    }
}

import com.wx.config.RedisConfig;
import org.apache.log4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import redis.clients.jedis.Jedis;
import redis.clients.jedis.JedisPool;

import javax.annotation.PostConstruct;


/**
 * Date:2019-07_08 13:20
 * Description: redis 工具类
 */
@Component
public class RedisUtils {

    protected static final Logger logger = Logger.getLogger(RedisUtils.class);

    private static JedisPool jedisPool;

    @Autowired
    private RedisConfig redisConfig;

    /**
     * JedisPool 无法通过@Autowired注入，可能由于是方法bean的原因，此处可以先注入RedisConfig，
     * 然后通过@PostConstruct初始化的时候将factory直接赋给jedisPool
     */
    @PostConstruct
    public void init() {
        jedisPool = redisConfig.redisPoolFactory();
    }

    public static String get(String key, int indexdb) {
        Jedis jedis = null;
        String value = null;

        try {
            jedis = jedisPool.getResource();//获取一个jedis实例
            jedis.select(indexdb);
            value = jedis.get(key);
        } catch (Exception e) {
            logger.error("错误日志："+e.getMessage());
        } finally {
            jedis.close();
        }
        return value;
    }
}

    @GetMapping(value = "/test")
    public String test(){
        String str = RedisUtils.get("test",0);
        System.out.println(str+"**************");
        return str;
    }