sqlserver创建函数

USE [BooksBrothersWebOrder]
GO
/****** Object:  UserDefinedFunction [dbo].[fx_GetMultiLineContentByRefNo]    Script Date: 07/24/2012 08:47:18 ******/
SET QUOTED_IDENTIFIER ON
GO

/*
Name:   dbo.fx_GetContentByRefNoWithMultiLine
Description: --根据RefNo取得Content资料
Parameters:    
 @RefNo char(8) 订单编号
Return Values:      
 @CONTENT
Ref. Tables:
 R  dbo.O_OrderContent
   
-------------------------------------------------------------------------------------------------     
Author Name:
Creation Date:  

Modification Log: 
Example:
 select dbo.fx_GetContentByRefNoWithMultiLine('BB000193')
 select * from dbo.fx_GetMultiLineContentByRefNo('BB000005', 'English')
 select dbo.fx_GetContentByRefNo('BB000193')
 select * from O_OrderContent where refno='BB000193'
 select * from M_Type where English='FEL'

*/

ALTER  FUNCTION [dbo].[fx_GetMultiLineContentByRefNo]
(
 @RefNo   CHAR(8),
 @Language  CHAR(8)

)
RETURNS @ContentLanguage TABLE
(
 Language NVARCHAR(20),
 Type   NVARCHAR(50),
 Content  NVARCHAR(1000) 
)
AS
BEGIN
 DECLARE @tmpType AS NVARCHAR(50)
 DECLARE @Type AS NVARCHAR(50)
 DECLARE @Content AS NVARCHAR(60)

 --DECLARE @MaxKorea INT,@MaxJapan INT,@MaxTW INT,@MaxCN INT,@MaxMulti INT
 --SELECT @MaxKorea=18,@MaxJapan=19,@MaxTW=13,@MaxCN=13,@MaxMulti=35

 --DECLARE @ContentList AS VARCHAR(1000)
 --DECLARE @SQL AS VARCHAR(1000)
 --SELECT @tmpType='NULL',@Type='',@Content='',@ContentList=''

if @Language = 'English'
BEGIN
  DECLARE myCursor CURSOR FOR
 SELECT Type= T.English ,
  Content= Case WHEN  O.Percentage  <= '0' Then ''  Else  O.Percentage +'% ' End  + C.English
 FROM dbo.O_OrderContent O
  LEFT JOIN dbo.M_Type T ON T.Type=O.Type
  LEFT JOIN dbo.M_Content C ON C.ContCode=O.ContentCode
  LEFT JOIN dbo.O_OrderMaster M ON M.RefNo=O.RefNo
 WHERE O.RefNo=@RefNo
 ORDER BY O.TypeSequence,O.ContSequence
END  
ELSE if @Language = 'Other'
BEGIN
  DECLARE myCursor CURSOR FOR
 SELECT N'Type'= T.English + '/' + T.French + '/' + T.German + '/' + T.Italian + '/' + T.Spanish + '/' + T.Greek ,
  Content=Case WHEN O.Percentage  <= 0 Then ''  Else  O.Percentage +'% ' End + C.English  + '/' + C.French + '/' + C.German + '/' + C.Italian + '/' + C.Spanish + '/' + C.Greek
 FROM dbo.O_OrderContent O
  LEFT JOIN dbo.M_Type T ON T.Type=O.Type
  LEFT JOIN dbo.M_Content C ON C.ContCode=O.ContentCode
  LEFT JOIN dbo.O_OrderMaster M ON M.RefNo=O.RefNo
 WHERE O.RefNo=@RefNo
 ORDER BY O.TypeSequence,O.ContSequence
END
ELSE if @Language = 'Korean'
BEGIN
  DECLARE myCursor CURSOR FOR
 SELECT Type= T.Korean ,
  Content= Case WHEN O.Percentage  <= 0 Then ''  Else  O.Percentage +'% ' End  + C.Korean
 FROM dbo.O_OrderContent O
  LEFT JOIN dbo.M_Type T ON T.Type=O.Type
  LEFT JOIN dbo.M_Content C ON C.ContCode=O.ContentCode
  LEFT JOIN dbo.O_OrderMaster M ON M.RefNo=O.RefNo
 WHERE O.RefNo=@RefNo
 ORDER BY O.TypeSequence,O.ContSequence
END
ELSE if @Language = 'Japanese'
BEGIN
  DECLARE myCursor CURSOR FOR
 SELECT Type= T.Japanese ,
  Content= Case WHEN O.Percentage  <= 0 Then ''  Else  O.Percentage +'% ' End + C.Japanese
 FROM dbo.O_OrderContent O
  LEFT JOIN dbo.M_Type T ON T.Type=O.Type
  LEFT JOIN dbo.M_Content C ON C.ContCode=O.ContentCode
  LEFT JOIN dbo.O_OrderMaster M ON M.RefNo=O.RefNo
 WHERE O.RefNo=@RefNo
 ORDER BY O.TypeSequence,O.ContSequence
END
ELSE if @Language = 'Chinese'
BEGIN
  DECLARE myCursor CURSOR FOR
 SELECT Type= T.Chinese ,
  Content= Case WHEN O.Percentage  <= 0 Then ''  Else  O.Percentage +'% ' End + C.Chinese
 FROM dbo.O_OrderContent O
  LEFT JOIN dbo.M_Type T ON T.Type=O.Type
  LEFT JOIN dbo.M_Content C ON C.ContCode=O.ContentCode
  LEFT JOIN dbo.O_OrderMaster M ON M.RefNo=O.RefNo
 WHERE O.RefNo=@RefNo
 ORDER BY O.TypeSequence,O.ContSequence
END
ELSE if @Language = 'Taiwan'
BEGIN
  DECLARE myCursor CURSOR FOR
 SELECT Type= T.Taiwan ,
  Content= Case WHEN O.Percentage  <= 0 Then ''  Else  O.Percentage +'% ' End + C.Taiwan
 FROM dbo.O_OrderContent O
  LEFT JOIN dbo.M_Type T ON T.Type=O.Type
  LEFT JOIN dbo.M_Content C ON C.ContCode=O.ContentCode
  LEFT JOIN dbo.O_OrderMaster M ON M.RefNo=O.RefNo
 WHERE O.RefNo=@RefNo
 ORDER BY O.TypeSequence,O.ContSequence
END
 OPEN myCursor --开启游标

 
 

 FETCH NEXT FROM myCursor INTO @Type,@Content
 WHILE @@FETCH_STATUS=0
 BEGIN
  --IF @tmpType<>@Type
  --BEGIN
  -- IF @tmpType='NULL'
  --  SELECT @ContentList= @Type+'+'+@Content+';' 
  -- ELSE
  -- BEGIN
  --  --去掉最后的符号
  --  IF LEN(@ContentList)>0 
  --   SELECT @ContentList=LEFT(@ContentList,LEN(@ContentList)-1)
  --  SELECT @ContentList=@ContentList+ 'chr(13)' + @Type+'+'+@Content+';' 
  -- END
  --END
  --ELSE
  --BEGIN
  -- SELECT @ContentList=@ContentList+@Content+';' 
  --END

  IF(@tmpType<>@Type) or (@tmpType is null)
   INSERT INTO @ContentLanguage SELECT  @Language,@Type,@Content
     ELSE
  BEGIN
   INSERT INTO @ContentLanguage SELECT  @Language,'',@Content
  END
  SELECT @tmpType=@Type

  
  
  FETCH NEXT FROM myCursor INTO @Type,@Content
 END
 CLOSE myCursor                   --关闭游标
 DEALLOCATE myCursor

 ----去掉最后的符号
 --IF LEN(@ContentList)>0 
 --SELECT @ContentList=LEFT(@ContentList,LEN(@ContentList)-1)

 RETURN -- @ContentLanguage

END