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%BF%9D%E8%82%9B%E6%89%8B%E6%9C%AF' at line 1
select bclassid from ***_enewsclass where classid=%E4%BF%9D%E8%82%9B%E6%89%8B%E6%9C%AF