mysql提供了两个函数:
from_unixtime(time_stamp) -> 将时间戳转换为日期
unix_timestamp(date) -> 将指定的日期或者日期字符串转换为时间戳
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[plain] select from_unixtime(1382544000); +---------------------------+ | from_unixtime(1382544000) | +---------------------------+ | 2013-10-24 00:00:00 | +---------------------------+ 如: unix_timestamp(date) [plain] select unix_timestamp(date('2013-10-24')); +------------------------------------+ | unix_timestamp(date('2013-10-24')) | +------------------------------------+ | 1382544000 | +------------------------------------+ 如果要查询当天的订单的记录:[plain] select count(*) from b_order Where date_format(from_unixtime(create_time),'%Y-%m-%d') = date_format(now(),'%Y-%m-%d') 也可以这样:[plain] select count(*) from b_order Where create_time >= unix_timestamp('2013-10-24 00:00:00') and create_time <= unix_timestamp('2013-10-24 23:59:59') ; |