MySQL错语信息 错误编码：1064 错误信息：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 area >= and housetype = 7 and fituptype = 10 and houseposition = 7' at line 1 错误语句：SELECT count(*) as row_num FROM simcms_photo WHERE open=1 and area <= and area >= and housetype = 7 and fituptype = 10 and houseposition = 7