数据库连接错误！错误信息：select count(id) as shu from wen where zong= and ( di like'%港%' ) and ( yu like'%意%' ) You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'and ( di like'%港%' ) and ( yu like'%意%' )' at line 1