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 '%E5%8C%97%E4%BA%AC%E4%B8%96%E7%BA%AA%E5%9D%9B%E5%8C%BB%E9%99%A2' at line 1
select bclassid from ***_enewsclass where classid=%E5%8C%97%E4%BA%AC%E4%B8%96%E7%BA%AA%E5%9D%9B%E5%8C%BB%E9%99%A2