自动编号的存储过程

王朝delphi·作者佚名  2006-01-08
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CREATE PROCEDURE Get_BH @cL_MC char(20),@nL_Init Int AS

begin

Declare @nL_CD Numeric(2,0),@cL_LSH char(20),@cL_LX Char(1),@nL_CDT Int,@nL_CDM int

Declare LSHB_cursor Cursor For Select Cd,LSH,Lx From LSHB Where MC=@cL_MC

Open LSHB_cursor

Fetch Next From LSHB_Cursor into @nL_CD,@cL_LSH,@cL_LX

If @@FETCH_STATUS = 0

begin

Select @nL_CDM=Len(RTrim(Convert(Char(10),@nL_Init)))

If @cL_LX='1'

begin -- 前面四位为年 '2000'

Select @nL_CDT=@nL_CD-4

If left(@cL_LSH,4)=convert(char(4),getdate(),102) /* 年份相等,序号加 1 */

begin

Select @nL_CDM=Len(RTrim(Convert(Char(20),Convert(int,Right(@cL_LSH,16))+1)))

Update LSHB set LSH=Left(@cL_LSH,4)+Replicate('0',@nL_CDT-@nL_CDM)+Rtrim(Convert(Char(20),Convert(int,Right(@cL_LSH,16))+1))

where MC=@cL_MC

End

else

If @nL_Init>1

Update LSHB set LSH=replace(Convert(Char(4),getdate(),102),'.','')+Replicate('0',@nL_CDT-@nL_CDM)+Rtrim(Convert(Char(10),@nL_Init))

where MC=@cL_MC

Else

Update LSHB set LSH=replace(Convert(Char(4),getdate(),102),'.','')+Replicate('0',@nL_CDT-1)+'1'

where MC=@cL_MC

End

If @cL_LX='2'

begin -- 前面六位为年月 '200008'

Select @nL_CDT=@nL_CD-6

If left(@cL_LSH,4)=convert(char(4),getdate(),102) AND Convert(int,substring(@cL_LSH,5,2))=DATEPART(month,getdate())

/* 年月相等,序号加 1 */

begin

Select @nL_CDM=Len(RTrim(Convert(Char(20),Convert(int,Right(@cL_LSH,14))+1)))

Update LSHB set LSH=Left(@cL_LSH,6)+Replicate('0',@nL_CDT-@nL_CDM)+Rtrim(Convert(Char(20),Convert(int,Right(@cL_LSH,14))+1))

where MC=@cL_MC

End

else

If @nL_Init>1

Update LSHB set LSH=replace(Convert(Char(7),getdate(),102),'.','')+Replicate('0',@nL_CDT-@nL_CDM)+RTrim(Convert(Char(10),@nL_Init))

where MC=@cL_MC

Else

Update LSHB set LSH=replace(Convert(Char(7),getdate(),102),'.','')+Replicate('0',@nL_CDT-1)+'1'

where MC=@cL_MC

End

If @cL_LX='3'

begin -- 前面八位为年月日 '20000910'

Select @nL_CDT=@nL_CD-8

If left(@cL_LSH,4)=convert(char(4),getdate(),102) AND Convert(int,substring(@cL_LSH,5,2))=DATEPART(month,getdate())

AND Convert(Int,SubString(@cL_LSH,7,2))=DatePart(Day,Getdate())

Begin

Select @nL_CDM=Len(Rtrim(Convert(Char(20),Convert(Int,Right(@cL_LSH,12))+1)))

Update LSHB Set LSH=Left(@cL_LSH,8)+Replicate('0',@nL_CDT-@nL_CDM)+Rtrim(Convert(Char(20),Convert(Int,Right(@cL_LSH,12))+1))

Where MC=@cL_MC

End

Else

If @nL_Init>1

Update LSHB set LSH=replace(Convert(Char(10),getdate(),102),'.','')+Replicate('0',@nL_CDT-@nL_CDM)+RTrim(Convert(Char(10),@nL_Init))

where MC=@cL_MC

Else

Update LSHB set LSH=replace(Convert(Char(10),getdate(),102),'.','')+Replicate('0',@nL_CDT-1)+'1'

where MC=@cL_MC

End

If @cL_LX='4'

begin -- 前面四位为年 '00' ,年用两位表示

Select @nL_CDT=@nL_CD-2

If left(@cL_LSH,2)=convert(char(2),getdate(),2) /* 年份相等,序号加 1 */

begin

Select @nL_CDM=Len(RTrim(Convert(Char(20),Convert(int,Right(@cL_LSH,18))+1)))

Update LSHB set LSH=Left(@cL_LSH,2)+Replicate('0',@nL_CDT-@nL_CDM)+Rtrim(Convert(Char(20),Convert(int,Right(@cL_LSH,18))+1))

where MC=@cL_MC

End

else

If @nL_Init>1

Update LSHB set LSH=replace(Convert(Char(2),getdate(),2),'.','')+Replicate('0',@nL_CDT-@nL_CDM)+Rtrim(Convert(Char(10),@nL_Init))

where MC=@cL_MC

Else

Update LSHB set LSH=replace(Convert(Char(2),getdate(),2),'.','')+Replicate('0',@nL_CDT-1)+'1'

where MC=@cL_MC

End

If @cL_LX='5'

begin -- 前面六位为年月 '0008', 年用两位

Select @nL_CDT=@nL_CD-2

If left(@cL_LSH,2)=convert(char(2),getdate(),2) AND Convert(int,substring(@cL_LSH,3,2))=DATEPART(month,getdate())

/* 年月相等,序号加 1 */

begin

Select @nL_CDM=Len(RTrim(Convert(Char(20),Convert(int,Right(@cL_LSH,16))+1)))

Update LSHB set LSH=Left(@cL_LSH,4)+Replicate('0',@nL_CDT-@nL_CDM)+Rtrim(Convert(Char(20),Convert(int,Right(@cL_LSH,16))+1))

where MC=@cL_MC

End

else

If @nL_Init>1

Update LSHB set LSH=replace(Convert(Char(5),getdate(),2),'.','')+Replicate('0',@nL_CDT-@nL_CDM)+RTrim(Convert(Char(10),@nL_Init))

where MC=@cL_MC

Else

Update LSHB set LSH=replace(Convert(Char(5),getdate(),2),'.','')+Replicate('0',@nL_CDT-1)+'1'

where MC=@cL_MC

End

If @cL_LX='6'

begin -- 前面六位为年月日 '000910'

Select @nL_CDT=@nL_CD-6

If left(@cL_LSH,2)=convert(char(2),getdate(),2) AND Convert(int,substring(@cL_LSH,3,2))=DATEPART(month,getdate())

AND Convert(Int,SubString(@cL_LSH,5,2))=DatePart(Day,Getdate())

Begin

Select @nL_CDM=Len(Rtrim(Convert(Char(20),Convert(Int,Right(@cL_LSH,14))+1)))

Update LSHB Set LSH=Left(@cL_LSH,6)+Replicate('0',@nL_CDT-@nL_CDM)+Rtrim(Convert(Char(20),Convert(Int,Right(@cL_LSH,14))+1))

Where MC=@cL_MC

End

Else

If @nL_Init>1

Update LSHB set LSH=replace(Convert(Char(8),getdate(),2),'.','')+Replicate('0',@nL_CDT-@nL_CDM)+RTrim(Convert(Char(10),@nL_Init))

where MC=@cL_MC

Else

Update LSHB set LSH=replace(Convert(Char(8),getdate(),2),'.','')+Replicate('0',@nL_CDT-1)+'1'

where MC=@cL_MC

End

end

CLOSE LSHB_cursor

DEALLOCATE LSHB_cursor

select LSH from LSHB where MC=@cL_MC

End

GO

 
 
 
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