, LEVEL, 'i') AS STR,bjdm FROM valueWeekInfo CONNECT ; 可以将 bjdm 换成 '01,02,03,04' , valueWeekInfo 换成dual 查看结果 , ROWNUM, 'i') str,zzjs FROM (select zzjs from bjpjxxb group by zzjs ) CONNECT 有时用RowNum会出现 一些问题,结合上面的LEVEL使用 WITH test AS ( id1, 'aaa,bbb,cc