分类: 数据库开发技术
2008-10-07 16:32:31
说明:
1.本函数范围从 毫 ~ 兆
2.有四种精度(元,角 ,分,厘 ,毫)
3.有三种进位规则(四舍五入,接舍去,非0就入)
参数说明:dbo.MoneyToCapital( 数值 , 进位 , 精度)
进位 (0 四舍五入, 1 直接舍去,2 非0就入)
精确度 (0 元,1 角 ,2 分,3 厘 ,4 毫)
--------------------------------------------------------------------------------------------------------
--测试数据:
DECLARE @intNum decimal(38,4)
SET @intNum = 1123456780.2154
--SET @intNum = 1001
--SET @intNum = 100100
--SET @intNum = 1005001
--SET @intNum = 100.11
--SET @intNum = 100.00
--SET @intNum = 100.01
SET @intNum = 99999999999999.9999 -- 最大 <1百兆(精确到毫)
--SET @intNum = 10025.1234
--SET @intNum = 12345.6789
SELECT dbo.MoneyToCapital(@intNum,0,4)
--------------------------------------------------------------------------------------------------------
*/
CREATE FUNCTION MoneyToCapital
(
@mnyNumber decimal(38,4),
@intIsRound int = 0, -- 进位 (0 四舍五入, 1 直接舍去,2 非0就入)
@intPrecision int = 2 -- 精确度: 0 元,1 角 ,2 分,3 厘 ,4 毫
)
RETURNS nvarchar(50)
BEGIN
DECLARE @strReturn nvarchar(50)
DECLARE @strMoney varchar(50)
DECLARE @intLen int
DECLARE @strC1 char(1)
DECLARE @strC2 char(1)
DECLARE @strC3 char(1)
DECLARE @intJ int
DECLARE @necMoney decimal(38,4)
DECLARE @strMoneyUnit nvarchar(50)
DECLARE @strNumberCapital nvarchar(50)
SET @strMoneyUnit = '毫厘分角元拾佰仟万拾佰仟亿拾佰仟兆拾佰仟京拾佰仟'
SET @strNumberCapital = '零壹贰叁肆伍陆柒捌玖'
--0 的情况
IF @mnyNumber = 0 BEGIN
SET @strReturn = '零元整'
RETURN @strReturn
END
--超出范围 的情况
IF @mnyNumber < 0 OR @mnyNumber > 99999999999999.9999 BEGIN
RETURN CAST(@mnyNumber AS varchar(50))
END
------进位 超出范围
IF @intIsRound<0 OR @intIsRound>2 BEGIN
SET @intIsRound = 0
END
------精确度 超出范围
IF @intPrecision<0 OR @intPrecision>4 BEGIN
SET @intPrecision = 2
END
IF @intIsRound =1 BEGIN--直接舍去
SET @mnyNumber = ROUND(@mnyNumber,2,1)
END
ELSE IF @intIsRound = 2 BEGIN--非0就入
SET @mnyNumber = ROUND(@mnyNumber,2)
END
ELSE BEGIN--四舍五入
SET @mnyNumber = ROUND(@mnyNumber,@intPrecision)
END
SET @necMoney = @mnyNumber * POWER(10,@intPrecision) --精确度 @intPrecision
SET @strMoney = CAST(CAST(@necMoney AS bigint) AS varchar(50))
SET @intLen = LEN(@strMoney) --长度
SET @strMoney = REVERSE(@strMoney) --逆转
SET @strReturn=''
SET @intJ = 1 -- @intPrecision 精确度: 0 元,1 角 ,2 分,3 厘 ,4 毫( 1 开始对应 毫)
WHILE @intJ <= @intLen BEGIN
SET @strC1 = SUBSTRING(@strMoney,@intJ-1,1)
SET @strC2 = SUBSTRING(@strMoney,@intJ,1)
SET @strC3 = SUBSTRING(@strMoney,@intJ+1,1)
/*
IF @strC2='0' BEGIN--当前数是 0
IF @strC1<>'0' AND @intJ<>1 BEGIN --前一个不是0则加 '零'
SET @strReturn = dbo.NumberToCapital(@strC2) + @strReturn
END
END
ELSE BEGIN
SET @strReturn = dbo.NumberToCapital(@strC2) + dbo.GetMoneyUnit(@intJ,@strC1,@strC2) + @strReturn
END
*/
SET @strReturn = SUBSTRING(@strNumberCapital , CAST(@strC2 AS int)+1 , 1) +SUBSTRING(@strMoneyUnit , @intJ+4-@intPrecision , 1) + @strReturn
SET @intJ = @intJ + 1
END
/*
SET @strReturn = CAST(@strReturn AS varchar(100))
SET @strReturn = REPLACE(@strReturn,'零元','元')
SET @strReturn = REPLACE(@strReturn,'零拾','拾')
SET @strReturn = REPLACE(@strReturn,'零佰','佰')
SET @strReturn = REPLACE(@strReturn,'零仟','仟')
SET @strReturn = REPLACE(@strReturn,'零万','万')
SET @strReturn = REPLACE(@strReturn,'零亿','亿')
*/
RETURN @strReturn
END
--String1 = "零壹贰叁肆伍陆柒捌玖"
--String2 = "万仟佰拾亿仟佰拾万仟佰拾元角分厘毫"