逗号分隔的字符串到SQL Server中的表的列
发布时间:2021-02-27 18:47:50  所属栏目:MsSql教程  来源:网络整理 
            导读:我正在使用SQL Server,我已成功将表的行转换为逗号分隔值,现在我想将该逗号分隔值的字符串转换回表的行. 我有这个字符串(Varchar) DECLARE @str AS varchar(Max)SET @str = '0.00,0.00,1576.95,4105.88,1017.87,6700.70' 我希望这些值成行. 喜欢 0.000.001
                
                
                
            | 我正在使用SQL Server,我已成功将表的行转换为逗号分隔值,现在我想将该逗号分隔值的字符串转换回表的行. 我有这个字符串(Varchar) DECLARE @str AS varchar(Max) SET @str = '0.00,0.00,1576.95,4105.88,1017.87,6700.70' 我希望这些值成行. 喜欢 0.00 0.00 1576 ... 解决方法创建一个功能:CREATE FUNCTION [dbo].[Split](@String nvarchar(4000),@Delimiter char(1))
RETURNS @Results TABLE (Items nvarchar(4000))
AS
BEGIN
    DECLARE @Index INT
    DECLARE @Slice nvarchar(4000)
    -- HAVE TO SET TO 1 SO IT DOESN’T EQUAL ZERO FIRST TIME IN LOOP
    SELECT @Index = 1
    WHILE @Index !=0
        BEGIN
            SELECT @Index = CHARINDEX(@Delimiter,@String) --Getting the indexof the first Occurrence of the delimiter
            -- Saving everything to the left of the delimiter to the variable SLICE
            IF @Index !=0
                SELECT @Slice = LEFT(@String,@Index - 1)
            ELSE
                SELECT @Slice = @String
            -- Inserting the value of Slice into the Results SET
            INSERT INTO @Results(Items) VALUES(@Slice)
            --Remove the Slice value from Main String
            SELECT @String = RIGHT(@String,LEN(@String) - @Index)
            -- Break if Main String is empty
            IF LEN(@String) = 0 BREAK
        END
    RETURN
END将字符串@str和分隔符(,)传递给函数. SELECT Items FROM [dbo].[Split] (@str,',') 它会将结果作为表返回: Items 0.00 0.00 1576.95 0.00 4105.88 1017.87 0.00 6700.70 见SQL Fiddle (编辑:源码网) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! | 

