--创建测试表create table #temp (seq int identity,names varchar(200))insert into #temp(names)values(‘张三,李四‘),(‘中国,美国,巴西‘),(‘深圳,上海,北京,广州,哈尔滨‘),(‘足球,篮球,乒乓球,台球‘)

 1 ;with cte as( 2 select 0 as n 3 union all 4 select N+1 from cte where n<100 5 ) 6 ,idx as ( 7 select a.seq,b.n,ROW_NUMBER() over (partition by a.seq order by b.n) as id,‘,‘+a.names+‘,‘ as names 8 from #temp a 9     inner join cte b on b.n<=len(‘,‘+a.names+‘,‘ )10 where SUBSTRING(‘,‘+a.names+‘,‘,b.n,1)=‘,‘11 )12 select a.seq,substring(a.names,a.n+1,b.n-a.n-1) as name13 from idx a14     inner join idx b on a.seq=b.seq and a.id=b.id-1