spring Boot redis连接池配置,Spring Session配置

1.POM配置


		
			redis.clients
			jedis
			2.9.0
		
		
		 
			org.springframework.session
			spring-session-data-redis
		

2.配置文件application.properties

# REDIS (RedisProperties)
# Redis数据库索引(默认为0)
spring.redis.database=0
# Redis服务器地址
spring.redis.host=localhost
# 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=admin
# 连接池最大连接数(使用负值表示没有限制)
spring.redis.pool.max-active=8
# 连接池最大阻塞等待时间(使用负值表示没有限制)
spring.redis.pool.max-wait=-1
# 连接池中的最大空闲连接
spring.redis.pool.max-idle=8
# 连接池中的最小空闲连接
spring.redis.pool.min-idle=0
# 连接超时时间(毫秒)
spring.redis.timeout=0
#spring-session 使用
spring.session.store-type=none


3.redis链接池配置属性

package com.config;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.cache.annotation.CachingConfigurerSupport;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.session.data.redis.config.ConfigureRedisAction;
import redis.clients.jedis.JedisPool;
import redis.clients.jedis.JedisPoolConfig;

/**
 * Created by Administrator on 2017/5/9.
 */
@Configuration
public class RedisConfig extends CachingConfigurerSupport {
    Logger logger = LoggerFactory.getLogger(RedisConfig.class);

    /**
     * SpringSession  需要注意的就是redis需要2.8以上版本,然后开启事件通知,在redis配置文件里面加上
     * notify-keyspace-events Ex
     * Keyspace notifications功能默认是关闭的(默认地,Keyspace 时间通知功能是禁用的,因为它或多或少会使用一些CPU的资源)。
     * 或是使用如下命令:
     * redis-cli config set notify-keyspace-events Egx
     * 如果你的Redis不是你自己维护的,比如你是使用阿里云的Redis数据库,你不能够更改它的配置,那么可以使用如下方法:在applicationContext.xml中配置
     * 
     * @return
     */
    @Bean
    public ConfigureRedisAction configureRedisAction() {
        return ConfigureRedisAction.NO_OP;
    }

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

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

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

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

    @Value("${spring.redis.pool.max-wait}")
    private long maxWaitMillis;

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

    @Bean
    public JedisPool redisPoolFactory() {
        logger.info("JedisPool注入成功!!");
        logger.info("redis地址:" + host + ":" + port);
        JedisPoolConfig jedisPoolConfig = new JedisPoolConfig();
        jedisPoolConfig.setMaxIdle(maxIdle);
        jedisPoolConfig.setMaxWaitMillis(maxWaitMillis);

      JedisPool jedisPool = new JedisPool(jedisPoolConfig, host, port, timeout, password);
        //   JedisPool jedisPool = new JedisPool(jedisPoolConfig, host, port, timeout);   //无密码情况
        return jedisPool;
    }
}

redis工具类

package com.util;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Component;
import redis.clients.jedis.Jedis;
import redis.clients.jedis.JedisPool;

/**
 * Created by Administrator on 2017/5/9.
 */
@Component("redisClient")
public class RedisClient {
    @Autowired
    private JedisPool jedisPool;

    public void set(String key, String value) throws Exception {
        Jedis jedis = null;
        try {
            jedis = jedisPool.getResource();
            jedis.set(key, value);
        } finally {
            //返还到连接池
            jedis.close();
        }
    }

    public String get(String key) throws Exception  {

        Jedis jedis = null;
        try {
            jedis = jedisPool.getResource();
            return jedis.get(key);
        } finally {
            //返还到连接池
            jedis.close();
        }
    }


}

redis应用

        redisClient.set("redis_key", "abc");
        String value=redisClient.get("redis_key");
        logger.info("redis_key value:{}", value);



4.application 添加启用springsession注解
@EnableRedisHttpSession //spring session
和session一样正常使用即可
 @RequestMapping("/setSession")
    public String setSession(HttpServletRequest request) throws Exception {
        request.getSession().setAttribute("user", "message");
        return null;
    }
    @RequestMapping("/getSession")
    public String getSession(HttpServletRequest request) throws Exception {
       String message= (String)request.getSession().getAttribute("user");
        logger.info("spring Session message:{}", message);
        return null;
    }



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