1.导入Redis的依赖
<dependency>  <groupId>org.springframework.boot</groupId>  <artifactId>spring-boot-starter-data-redis</artifactId></dependency>  
2.在application.properties中对redis进行相应的配置
#redis配置#Redis服务器地址spring.redis.host=127.0.0.1#Redis服务器连贯端口spring.redis.port=6379#Redis数据库索引(默认为0)spring.redis.database=0  #连接池最大连接数(应用负值示意没有限度)spring.redis.jedis.pool.max-active=50#连接池最大阻塞等待时间(应用负值示意没有限度)spring.redis.jedis.pool.max-wait=3000#连接池中的最大闲暇连贯spring.redis.jedis.pool.max-idle=20#连接池中的最小闲暇连贯spring.redis.jedis.pool.min-idle=2#连贯超时工夫(毫秒)spring.redis.timeout=5000 
3.编写一个封装的Redis工具类不便对Redis缓存进行简略的操作
package com.example.demo.Util;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.data.redis.core.RedisTemplate;import org.springframework.stereotype.Component;@Componentpublic class RedisUtil {    @Autowired    private RedisTemplate<String,String> redisTemplate;    /**     * 读取缓存     * @param key     * @return     */    public String get(final String key){        return redisTemplate.opsForValue().get(key);    }    /**     * 写入缓存     * @param key     * @param value     * @return     */    public boolean set(final String key,String value){        boolean result = false;        try {            redisTemplate.opsForValue().set(key,value);            result = true;        } catch (Exception e){            e.printStackTrace();        }        return result;    }    /**     * 更新缓存     * @param key     * @param value     * @return     */    public boolean update(final String key,String value){        boolean result = false;        try {            redisTemplate.opsForValue().getAndSet(key,value);            result = true;        } catch (Exception e){            e.printStackTrace();        }        return result;    }    /**     * 删除缓存     * @param key     * @return     */    public boolean delete(final String key){        boolean result = false;        try {            redisTemplate.delete(key);            result = true;        } catch (Exception e){            e.printStackTrace();        }        return result;    }}
4.编写测试类对操作后果进行测试

插入操作:

/*** 插入一个key为"username",value为"supper"的键值对*/@Testpublic void set(){  redisUtil.set("username","supper");}

运行后果:

127.0.0.1: 6379> get username"supper"

读取操作:

/*** 读取key为"username"的值*/@Testpublic void get(){  System.out.println(redisUtil.get("username"));}

运行后果:

supper

更新操作:

/*** 将key为"username"的键值对的值更新为"chen"*/@Testpublic void update(){  redisUtil.update("username","chen");}

运行后果:

127.0.0.1: 6379> get username"chen"

删除操作:

/*** 删除key为"username"的键值对*/@Testpublic void del(){  redisUtil.delete("username");}

运行后果:

127.0.0.1: 6379> get username(nil)