select (@rowNO := @rowNo+1) AS rowno,zhuanfaContent,content,sendDate,sendTime,zhuanfaAuthor,zhuanfaLink from
(SELECT zhuanfaContent,content,sendDate,sendTime,zhuanfaAuthor,zhuanfaLink FROM t_toefldata_zhuanfa where sendDate = '2012-04-21') a,(select @rowNO :=0) b