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 '%E4%B9%B3%E8%85%BA%E4%B8%8D%E5%85%B8%E5%9E%8B%E5%A2%9E%E7%94%9F' at line 1
select bclassid from ***_enewsclass where classid=%E4%B9%B3%E8%85%BA%E4%B8%8D%E5%85%B8%E5%9E%8B%E5%A2%9E%E7%94%9F