package com.chinaztt.mes.basic.util;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.data.redis.core.RedisTemplate;
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import org.springframework.stereotype.Component;
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/**
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* @Author: Zero
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* @Date: 2022/10/21 10:39
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* @Description:
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*/
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@Component
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public class RedisUtils {
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@Autowired
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private RedisTemplate redisTemplate;
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/**
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* 递增
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* <p>最终redis中的key为 businessName:prefix</p>
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*
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* @param businessName 业务名
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* @param prefix 前缀
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* @param delta 要增加几(大于0)
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* @return
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*/
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public long incr(String businessName, String prefix, long delta) {
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if (delta < 0) {
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throw new RuntimeException("步长必须大于0");
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}
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return redisTemplate.opsForValue().increment(businessName + ":" + prefix, delta);
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}
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}
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