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 '%E6%8A%97%E7%99%8C%E9%A5%AE%E9%A3%9F' at line 1
select bclassid from ***_enewsclass where classid=%E6%8A%97%E7%99%8C%E9%A5%AE%E9%A3%9F