SQL Server中文大写金额转化函数

CREATE FUNCTION usf_ChineseCost
(
 @Cost float
)
RETURNS varchar(50)
AS
----大写钱数----
BEGIN
 declare @returnStr varchar(50)
 if (@Cost >= 1000000000)
    Begin
  set @returnStr = '##########'
        return @returnStr
    end 
 set @returnStr = '00000000000'
 set @returnStr = right(@returnStr + convert(varchar,convert(decimal(11,2),round(@cost,2))),12)
 set @returnStr = replace(@returnStr,'0','零')
 set @returnStr = replace(@returnStr,'1','壹')
 set @returnStr = replace(@returnStr,'2','贰')
 set @returnStr = replace(@returnStr,'3','叁')
 set @returnStr = replace(@returnStr,'4','肆')
 set @returnStr = replace(@returnStr,'5','伍')
 set @returnStr = replace(@returnStr,'6','陆')
 set @returnStr = replace(@returnStr,'7','柒')
 set @returnStr = replace(@returnStr,'8','捌')
 set @returnStr = replace(@returnStr,'9','玖')
          
 set @returnStr = @returnStr + '分'
 set @returnStr =  stuff(@returnStr,len(@returnStr)-1,0,'角')
 set @returnStr =  replace(@returnStr,'.','元')
 set @returnStr =  stuff(@returnStr,len(@returnStr)-5,0,'拾')
 set @returnStr =  stuff(@returnStr,len(@returnStr)-7,0,'百')
 set @returnStr =  stuff(@returnStr,len(@returnStr)-9,0,'千')
 set @returnStr =  stuff(@returnStr,len(@returnStr)-11,0,'万')
 set @returnStr =  stuff(@returnStr,len(@returnStr)-13,0,'拾')
 set @returnStr =  stuff(@returnStr,len(@returnStr)-15,0,'百')
 set @returnStr =  stuff(@returnStr,len(@returnStr)-17,0,'千')
 set @returnStr =  stuff(@returnStr,len(@returnStr)-19,0,'亿')

 set @returnStr =  replace(@returnStr,'零亿','零')
 set @returnStr =  replace(@returnStr,'零千','零')
 set @returnStr =  replace(@returnStr,'零百','零')
 set @returnStr =  replace(@returnStr,'零拾','零')
 set @returnStr =  replace(@returnStr,'零零零','零')
 set @returnStr =  replace(@returnStr,'零零','零')
 set @returnStr =  replace(@returnStr,'零万','万')
 set @returnStr =  replace(@returnStr,'零元','元')
 set @returnStr =  replace(@returnStr,'零角','零')
 set @returnStr =  replace(@returnStr,'零分','')

 while left(@returnStr,1) = '零'
    Begin
    set @returnStr =  right(@returnStr,len(@returnStr)-1)
    end
 if ((left(@returnStr,1)='万')) 
 begin
  set @returnStr =  right(@returnStr,len(@returnStr)-1)
 end
 if ((left(@returnStr,1)='元')) 
 begin
  set @returnStr =  right(@returnStr,len(@returnStr)-1)
 end
 while left(@returnStr,1) = '零'
    Begin
    set @returnStr =  right(@returnStr,len(@returnStr)-1)
    end
 while right(@returnStr,1) = '零'
    Begin
    set @returnStr =  left(@returnStr,len(@returnStr)-1)
    end

 set @returnStr =  replace(@returnStr,'亿万','亿零')
 set @returnStr =  replace(@returnStr,'零元','元')
 set @returnStr =  replace(@returnStr,'零零零','零')
 set @returnStr =  replace(@returnStr,'零零','零')

 if (@returnStr='') 
 begin
  set @returnStr =  '零元'
 end
 if ((right(@returnStr,1)='元')) 
 begin
  set @returnStr =  @returnStr + '整'
 end
 return @returnStr
END