数字转RMB 的SQL 函数

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--- 中文版
SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
CREATE FUNCTION [dbo].[AtoC] (@ChangeMoney Money)
RETURNS   VARCHAR(100)
AS
BEGIN

    Declare    @String1    char(20)
    Declare    @String2    char(30)
    Declare    @String4    Varchar(100)
    Declare @String3     Varchar(100)    --从原A值中取出的值
        Declare @i         int        --循环变量
    Declare @J         Int        --A的值乘以100的字符串长度
        Declare @Ch1         Varchar(100)    --数字的汉语读法
        Declare @Ch2         Varchar(100)    --数字位的汉字读法
    Declare @Zero         Int        --用来计算连续有几个零
    Declare    @ReturnValue    VarChar(100)

    Select @ReturnValue = ''
    Select     @String1 = '零壹贰叁肆伍陆柒捌玖'
    Select    @String2 = '万仟佰拾亿仟佰拾万仟佰拾元角分'

Select @String4 = Cast(@ChangeMoney*100 as DECIMAL(20,0))

select @J=len(cast((@ChangeMoney*100) as DECIMAL(20,0)))

Select @String2=Right(@String2,@J)

Select @i = 1

while @i<= @j Begin

Select @String3 = Substring(@String4,@i,1)

if @String3<>'0' Begin

            Select     @Ch1 = Substring(@String1, Cast(@String3 as Int) + 1, 1)
            Select    @Ch2 = Substring(@String2, @i, 1)
            Select    @Zero = 0                    --表示本位不为零
        end
        else Begin
            If (@Zero = 0) Or (@i = @J - 9) Or (@i = @J - 5) Or (@i = @J - 1)
                        Select @Ch1 = '零'
                    Else
                        Select @Ch1 = ''

                    Select @Zero = @Zero + 1             --表示本位为0

            --如果转换的数值需要扩大，那么需改动以下表达式 I 的值。
            Select @Ch2 = ''

                If @i = @J - 10 Begin
                        Select @Ch2 = '亿'
                        Select @Zero = 0
            end

            If @i = @J - 6 Begin
                        Select @Ch2 = '万'
                        Select @Zero = 0
            end

            if @i = @J - 2 Begin
                        Select @Ch2 = '元'
                        Select @Zero = 0
            end

            If @i = @J
                        Select @Ch2 = '整'

        end

Select @ReturnValue = @ReturnValue + @Ch1 + @Ch2

select @i = @i+1
end

    --最后将多余的零去掉
    If CharIndex('万万',@ReturnValue) <> 0
            Select @ReturnValue = Replace(@ReturnValue, '万万', '万')

If CharIndex('仟仟',@ReturnValue) <> 0

Select @ReturnValue = Replace(@ReturnValue, '仟仟', '仟')

If CharIndex('佰佰',@ReturnValue) <> 0
Select @ReturnValue = Replace(@ReturnValue, '佰佰', '佰')

        If CharIndex('零元',@ReturnValue) <> 0
            Select @ReturnValue = Replace(@ReturnValue, '零元', '元')

        If CharIndex('零万',@ReturnValue) <> 0
            Select @ReturnValue = Replace(@ReturnValue, '零万', '万')

        If CharIndex('零亿',@ReturnValue) <> 0
            Select @ReturnValue = Replace(@ReturnValue, '零亿', '亿')

        If CharIndex('零整',@ReturnValue) <> 0
            Select @ReturnValue = Replace(@ReturnValue, '零整', '整')

    If CharIndex('零佰',@ReturnValue) <> 0
            Select @ReturnValue = Replace(@ReturnValue, '零佰', '零')

If CharIndex('零仟',@ReturnValue) <> 0
Select @ReturnValue = Replace(@ReturnValue, '零仟', '零')

    If CharIndex('元元',@ReturnValue) <> 0
            Select @ReturnValue = Replace(@ReturnValue, '元元', '元')

    return @ReturnValue

end

------ 英文版

SET ANSI_NULLS ON
GO
SET QUOTED_IDENTIFIER ON
GO
/****** 对象: 用户定义的函数 dbo.NTOC 脚本日期: 2005-9-7 9:39:40 ******/
CREATE FUNCTION [dbo].[AtoE] (@n numeric(18,2))
RETURNS varchar(200)

AS
BEGIN
declare @exp varchar(200)
set @exp=''
declare @million int,
@thousand int,
@last int,
@sNumber varchar(20),
@dot int,
@number int,
@decimal int

set @sNumber=rtrim(ltrim(Str(@n,20,2)))
set @dot=charindex('.',@sNumber)
If @n>0
begin
set @number=cast(left(@sNumber,@dot-1) as int)
set @million=@number/1000000
If @million>0
set @exp=@exp+dbo.NTOC1000(@million)+'MILLION '

set @thousand=((@number-@million*1000000)/1000)
If @thousand>0
begin
  If @exp<>''
   set @exp=@exp+'AND '+dbo.NTOC1000(@thousand)+'THOUSAND '
  Else
   set @exp=dbo.NTOC1000(@thousand)+'THOUSAND '
end
set @last=(@number%1000)
If @last>0
begin
  If @exp=''
   set @exp=dbo.NTOC1000(@last)
  Else
   set @exp=@exp+dbo.NTOC1000(@last)
End
end
set @decimal=cast(Substring(@sNumber,@dot+1,100) as int)
If @decimal>0
set @exp=@exp+'AND CENTS'+dbo.NTOC1000(@decimal)

set @exp=@exp+'ONLY.'

Return @exp

END