<div class="codebody" id="code15891"> create table tb(id int,value varchar(10)) insert into tb values(1,'aa') insert into tb values(1,'bb') insert into tb values(2,'aaa') insert into tb values(2,'bbb') insert into tb values(2,'ccc') go create function [dbo].[f_str](@id int) returns nvarchar(1000) as begin declare @str nvarchar(1000) set @str = '' select @str = @str + ',' + cast(value as nvarchar(900)) from tb where id = @id set @str = right(@str,len(@str) - 1) return @str end go --调用函数 select id,value = dbo.f_str(id) from tb group by id