CREATE FUNCTION workdayadd( @date datetime, --基础日期 @workday int --要增加的工作日数 )RETURNS datetime AS BEGIN DECLARE @bz int --增加整周的天数 SELECT @bz=CASE WHEN @workday<0 THEN -1 ELSE 1 END ,@date=DATEADD(Week,@workday/5,@date) ,@workday=@workday%5 --增加不是整周的工作天数 WHILE @workday<>0 SELECT @date=DATEADD(Day,@bz,@date), @workday=CASE WHEN (@@DATEFIRST+DATEPART(Weekday,@date)-1)%7 BETWEEN 1 AND 5 THEN @workday-@bz ELSE @workday END --避免处理后的日期停留在非工作日上 WHILE (@@DATEFIRST+DATEPART(Weekday,@date)-1)%7 in(0,6) SET @date=DATEADD(Day,@bz,@date) RETURN(@date) END在线等高手 回楼上
CREATE DATABASE ADDRESSLIST; USE ADDRESSLIST; DROP TABLE IF EXISTS FRIEND; CREATE TABLE FRIEND (FRIEND_ID INTEGER NOT NULL AUTO_INCREMENT PRIMARY KEY , FRIEND_NAME VARCHAR(20) NOT N ......
com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: The last packet successfully received from the server was51093 seconds ago.The last packet sent successfully to the server was 5 ......