springboot使用redis

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-data-redis</artifactId>
</dependency>

spring.redis.host=你的redis服务器地址
spring.redis.port=你的redis服务器端口

# 可选的连接池配置
spring.redis.lettuce.pool.max-active=8
spring.redis.lettuce.pool.max-wait=-1
spring.redis.lettuce.pool.max-idle=8
spring.redis.lettuce.pool.min-idle=0

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Service;

import java.util.concurrent.TimeUnit;

@Service
public class RedisService {

    @Autowired
    private RedisTemplate<String, Object> redisTemplate;

    // 设置键值对
    public void set(String key, Object value) {
        redisTemplate.opsForValue().set(key, value);
    }

    // 获取值
    public Object get(String key) {
        return redisTemplate.opsForValue().get(key);
    }

    // 删除键
    public void delete(String key) {
        redisTemplate.delete(key);
    }

    // 判断键是否存在
    public Boolean hasKey(String key) {
        return redisTemplate.hasKey(key);
    }

    // 设置键的过期时间
    public Boolean expire(String key, long timeout, TimeUnit unit) {
        return redisTemplate.expire(key, timeout, unit);
    }
}