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%9C%B1%E4%B8%80%E5%B9%B3' at line 1
select bclassid from ***_enewsclass where classid=%E6%9C%B1%E4%B8%80%E5%B9%B3