数字金额转大写SQL函数实现

set ANSI_NULLS ON
set QUOTED_IDENTIFIER ON
go

ALTER FUNCTION [dbo].[FN_CONTRACT_MONEY_UPPER] (@n_LowerMoney numeric(15,2),@v_TransType int)    
RETURNS VARCHAR(200) AS    
BEGIN    
Declare @v_LowerStr VARCHAR(200) -- 小写金额    
Declare @v_UpperPart VARCHAR(200)    
Declare @v_UpperStr VARCHAR(200) -- 大写金额
Declare @i_I int

set @v_LowerStr = LTRIM( RTRIM( ROUND(@n_LowerMoney,-2))) --四舍五入为指定的精度并删除数据左右空格--精确到百位
set @i_I = 1
set @v_UpperStr = ''

while ( @i_I <= len(@v_LowerStr))
begin
             select @v_UpperPart = case substring(@v_LowerStr, len(@v_LowerStr) - @i_I + 1,1)
                                                         WHEN     '.' THEN     '元'
                                                         WHEN     '0' THEN     '零'
                                                         WHEN     '1' THEN     '壹'
                                                         WHEN     '2' THEN     '贰'
                                                         WHEN     '3' THEN     '叁'
                                                         WHEN     '4' THEN     '肆'
                                                         WHEN     '5' THEN     '伍'
                                                         WHEN     '6' THEN     '陆'
                                                         WHEN     '7' THEN     '柒'
                                                         WHEN     '8' THEN     '捌'
                                                         WHEN     '9' THEN     '玖'
                                                         END
                                                    +    
                                                         case @i_I
                                                         WHEN    1     THEN     '分'
                                                         WHEN    2     THEN     '角'
                                                         WHEN    3     THEN     ''
                                                         WHEN    4     THEN     ''
                                                         WHEN    5     THEN     '拾'
                                                         WHEN    6     THEN     '佰'
                                                         WHEN    7     THEN     '仟'
                                                         WHEN    8     THEN     '万'
                                                         WHEN    9     THEN     '拾'
                                                         WHEN    10     THEN     '佰'
                                                         WHEN    11     THEN     '仟'
                                                         WHEN    12     THEN     '亿'
                                                         WHEN    13     THEN     '拾'
                                                         WHEN    14     THEN     '佰'
                                                         WHEN    15     THEN     '仟'
                                                         WHEN    16     THEN     '万'
                                                         ELSE ''
                                                         END
set @v_UpperStr = @v_UpperPart + @v_UpperStr
set @i_I = @i_I + 1
end

if ( 0 = @v_TransType)
begin
set @v_UpperStr = REPLACE(@v_UpperStr, '零拾', '零')    
set @v_UpperStr = REPLACE(@v_UpperStr, '零佰', '零')    
set @v_UpperStr = REPLACE(@v_UpperStr, '零仟', '零')    
set @v_UpperStr = REPLACE(@v_UpperStr, '零零零', '零')
set @v_UpperStr = REPLACE(@v_UpperStr, '零零', '零')
set @v_UpperStr = REPLACE(@v_UpperStr, '零角零分', '整')
set @v_UpperStr = REPLACE(@v_UpperStr, '零分', '整')
set @v_UpperStr = REPLACE(@v_UpperStr, '零角', '零')
set @v_UpperStr = REPLACE(@v_UpperStr, '零亿零万零元', '亿元')
set @v_UpperStr = REPLACE(@v_UpperStr, '亿零万零元', '亿元')
set @v_UpperStr = REPLACE(@v_UpperStr, '零亿零万', '亿')
set @v_UpperStr = REPLACE(@v_UpperStr, '零万零元', '万元')
set @v_UpperStr = REPLACE(@v_UpperStr, '万零元', '万元')
set @v_UpperStr = REPLACE(@v_UpperStr, '零亿', '亿')
set @v_UpperStr = REPLACE(@v_UpperStr, '零万', '万')
set @v_UpperStr = REPLACE(@v_UpperStr, '零元', '元')
set @v_UpperStr = REPLACE(@v_UpperStr, '零零', '零')
end

-- 对壹元以下的金额的处理    
if ( '元' = substring(@v_UpperStr,1,1))
begin
         set @v_UpperStr = substring(@v_UpperStr,2,( len(@v_UpperStr) - 1))
end

if ( '零' = substring(@v_UpperStr,1,1))
begin
         set @v_UpperStr = substring(@v_UpperStr,2,( len(@v_UpperStr) - 1))
end

if ( '角' = substring(@v_UpperStr,1,1))
begin
         set @v_UpperStr = substring(@v_UpperStr,2,( len(@v_UpperStr) - 1))
end

if ( '分' = substring(@v_UpperStr,1,1))
begin
         set @v_UpperStr = substring(@v_UpperStr,2,( len(@v_UpperStr) - 1))
end

if ( '整' = substring(@v_UpperStr,1,1))
begin
         set @v_UpperStr = '零元整'
end

return replace( replace( replace( replace( replace( replace(@v_UpperStr, '零角', ''), '零分', ''), '零元', ''), '零拾', ''), '零佰', ''), '零仟', '')+ '圆整'
END

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