//设置节假日的数组 var holiday = Array('2016-04-30','2016-05-01','2016-05-02','2016-06-09','2016-06-10','2016-06-11','2016-09-15','2016-09-16','2016-09-17','2016-10-1','2016-10-01','2016-10-02','2016-10-03','2016-10-04','2016-10-05','2016-10-06','201
--根据日期查询星期SELECT SYSDATETIME();select datepart(weekday,getdate()); SET DATEFIRST 1select '星期'+case when cast(datepart(dw,getdate()) as char(1))= 7 then '天' else cast(datepart(dw,getdate()) as char(1)) end select @@datefirst; datefirst 一般美国采用星期天作为一周的第
可以用pg自带函数select extract(dow from current_date),之所以没用主要是展示一下通过数学方法计算日期的原理. drop function if exists getDateWeek(date);drop function if exists intervalDay(date);drop function if exists getMonMaxDay(integer,integer);drop function if exists getMonMaxDate(