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%97%A0%E7%97%9B%E8%86%80%E8%83%B1%E9%95%9C' at line 1
select bclassid from ***_enewsclass where classid=%E6%97%A0%E7%97%9B%E8%86%80%E8%83%B1%E9%95%9C