DECLARE @nowDate DATETIME
SET @nowDate=GETDATE()
SELECT @nowDate AS '当前日期',
CONVERT(VARCHAR(10),DATEADD(DAY,-1,@nowDate),120) AS '昨天日期',
CONVERT(VARCHAR(10),DATEADD(DAY,0,@nowDate),120) AS '今天日期',
CONVERT(VARCHAR(10),DATEADD(DAY,1,@nowDate),120) AS '明天日期'

SELECT
GETDATE() AS [GetDate],
CURRENT_TIMESTAMP AS [Current_TimeStamp],
SYSDATETIME() AS [SYSDateTime],
GETUTCDATE() AS [GetUTCDate],
SYSUTCDATETIME() AS [SYSUTCDateTime],
SYSDATETIMEOFFSET() AS [SYSDateTimeOffset]

SELECT GETDATE() AS '当前日期',
CONVERT(VARCHAR,GETDATE(),120) AS '120',
CONVERT(VARCHAR,GETDATE(),111) AS '111',
CONVERT(VARCHAR,GETDATE(),112) AS '112',
CONVERT(VARCHAR,GETDATE(),108) AS '108'
