fix: 库存默认0

gongchunyi

2026-06-29 639d36e087548e7499a351737d5e6a9ce24c0407

 src/main/java/com/ruoyi/approve/utils/DailyRedisCounter.java

@@ -114,6 +114,49 @@
        return redisTemplate.opsForValue().increment(key);
    }

    /**查数据库
     * 获取指定日期在今日的数值，并自增1
     * @return 目标日期自增后的计数值
     */
    public long incrementAndGetByDb(LocalDate targetDate) {
        if (targetDate == null) {
            targetDate = LocalDate.now();
        }
        String dateStr = targetDate.format(DATE_FORMAT);
        String key = approvalNumberPrefix + ":approveNum:" + dateStr;
        String lockKey = "lock:" + key;

        if (Boolean.FALSE.equals(redisTemplate.hasKey(key))) {
            Boolean acquired = redisTemplate.opsForValue().setIfAbsent(lockKey, "1", 10, TimeUnit.SECONDS);
            if (Boolean.TRUE.equals(acquired)) {
                try {
                    if (Boolean.FALSE.equals(redisTemplate.hasKey(key))) {
                        LambdaQueryWrapper<ApproveProcess> approveProcessLambdaQueryWrapper = new LambdaQueryWrapper<>();
                        approveProcessLambdaQueryWrapper
                                .eq(ApproveProcess::getApproveDelete, 0)
                                .likeRight(ApproveProcess::getApproveId, dateStr);
                        Long count = approveProcessMapper.selectCount(approveProcessLambdaQueryWrapper);
                        long initialCount = (count == null) ? 0 : count;

                        redisTemplate.opsForValue().set(key, String.valueOf(initialCount), 24, TimeUnit.HOURS);
                    }
                } finally {
                    // 释放锁
                    redisTemplate.delete(lockKey);
                }
            } else {
                try {
                    Thread.sleep(100);
                } catch (InterruptedException e) {
                    Thread.currentThread().interrupt();
                }
                return incrementAndGetByDb(targetDate); // 递归重试
            }
        }

        return redisTemplate.opsForValue().increment(key);
    }

    /**
     * 获取指定计数器在今日的当前数值
     * @param counterName 计数器名称