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Timestamp timestamp1 = new Timestamp((new Date()).getTime()); 获取当前时间,时间格式为2018-09-13 10:35:48.873timestamps类型,当前时间减一秒SimpleDateFormat d = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");Timestamp ...

数据库用的mysqlselect IFNULL(max(p_usable_sku_num),0) as p_usable_sku_num from promotion_temp_stock where sku_code=#{id}</select>之前用ifnull(p_usable_sku_num,0) 还是报错后来改成上面的 运行成功...

https://blog.youkuaiyun.com/u014227785/article/details/80178709

https://blog.youkuaiyun.com/wwh578867817/article/details/51934404 https://blog.youkuaiyun.com/xiao_xuwen/article/details/52890730