引入maven依赖：
<dependency>
    <groupId>org.redisson</groupId>
    <artifactId>redisson-spring-boot-starter</artifactId>
    <version>${redission}</version>
</dependency>



redisUtil.java

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package com.gllic.workweixin.utils;

import org.redisson.api.RBucket;
import org.redisson.api.RedissonClient;
import org.springframework.stereotype.Component;

import javax.annotation.Resource;
import java.util.concurrent.TimeUnit;

@Component
public class RedisUtil {
    @Resource
    private RedissonClient redissonClient;

    public boolean setString(String key, Object value, long time) {
        try {
            RBucket rBucket = redissonClient.getBucket(key);
            if (time > 0) {
               rBucket.set(value,time,TimeUnit.SECONDS);
            } else {
                rBucket.set(value);
            }
            return true;
        } catch (Exception e) {
            e.printStackTrace();
            return false;
        }
    }

    public String getString(String key) {
        if(key==null)
            return null;
        RBucket rBucket=redissonClient.getBucket(key);
        Object o = rBucket.get();
        return o == null ? null : o.toString();
    }

//    public boolean setString(String key, Object value, long time) {
//        try {
//            if (time > 0) {
//                redisTemplate.opsForValue().set(key, value, time, TimeUnit.SECONDS);
//            } else {
//                redisTemplate.opsForValue().set(key, value);
//            }
//            return true;
//        } catch (Exception e) {
//            e.printStackTrace();
//            return false;
//        }
//    }
//
//    public String getString(String key) {
//        if(key==null)
//            return null;
//        Object o = redisTemplate.opsForValue().get(key);
//        return o == null ? null : o.toString();
//    }

}

写入：
RedisUtil.setString("key","value",time);
读取：
RedisUtil.getString("key");

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