存储过程实例

CREATE procedure sp_split_string
(
    @string        NVARCHAR(4000)
)
AS
BEGIN
    DECLARE @object_id     nvarchar(500)
    DECLARE @where    nvarchar(500)
    DECLARE    @i          INT
    DECLARE    @len        INT   
    SET @where = 'select id from a where 1=1'
    print @string
    IF (@string IS NULL) OR (LTRIM(@string) = '')
        RETURN
   
    WHILE CHARINDEX(',',@string) > 0
        BEGIN
            SET @len = LEN(@string)
            SET @i = CHARINDEX(',', @string)
            SET @object_id = LEFT(@string, @i-1)
            SET @where = @where +' or id='+@object_id
 print @where
            INSERT INTO a (id) VALUES (@object_id)--少做修改，改成需要的sql语句即可
            SET @string = RIGHT(@string, @len - @i)
        END
    SET @object_id =  @string
    SET @where = @where +' or id='+@object_id
    print @where
     INSERT INTO a (id) VALUES (@object_id)--少做修改，改成需要的sql语句即可
     print @where
 DECLARE @sql    nvarchar(500)
     select @sql = @where
 exec(@sql)

END
GO