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 '%E7%BB%93%E7%9B%B4%E8%82%A0%E7%99%8C' at line 1
select bclassid from ***_enewsclass where classid=%E7%BB%93%E7%9B%B4%E8%82%A0%E7%99%8C