摘要: update `t_flight` set flight_price=floor(rand()*10000); update `t_flight` set flight_price=rand(); //零点几(6位小数点) 乘以十,向下取整.就是1到90.610935 0.279636 0.6382 阅读全文
posted @ 2016-05-14 13:08 小庄啊 阅读(180) 评论(0) 推荐(0) 编辑