RedisUtils工具类

import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Component;

import java.util.concurrent.TimeUnit;


 
@Component
@Slf4j
public class RedisUtils {

    private final RedisTemplate redisTemplate;

    @Autowired
    public RedisUtils(RedisTemplate redisTemplate) {
        this.redisTemplate = redisTemplate;
    }

    
    public Object get(String key){
        return key == null ? null : redisTemplate.opsForValue().get(key);
    }

    
    public boolean set(String key, Object value) {
        try {
            redisTemplate.opsForValue().set(key, value);
            return true;
        } catch (Exception e) {
            LOGGER.error("未设置时长普通缓存出现异常：[{}]", e);
            return false;
        }
    }

    
    public void del(String key){
        if(redisTemplate.hasKey(key)){
            redisTemplate.delete(key);
        }
    }

    
    public boolean set(String key, Object value, long time){
        try {
            if(time > 0){
                redisTemplate.opsForValue().set(key, value, time, TimeUnit.SECONDS);
            }else{
                set(key, value);
            }
            return true;
        } catch (Exception e) {
            LOGGER.error("设置时长普通缓存出现异常：[{}]", e);
            return false;
        }
    }

    
    public boolean lSet(String key, Object value, long time) {
        try {
            redisTemplate.opsForList().rightPush(key, value);
            if (time > 0) {
                expire(key, time);
            }
            return true;
        } catch (Exception e) {
            LOGGER.error("设置时长将list放入缓存出现异常：[{}]", e);
            return false;
        }
    }

    
    public boolean expire(String key, long time){
        try {
            if(time > 0){
                redisTemplate.expire(key, time, TimeUnit.SECONDS);
            }
            return true;
        } catch (Exception e) {
            LOGGER.error("指定缓存失效时间出现异常：[{}]", e);
            return false;
        }
    }

}