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%8A%97%E7%99%8C%E6%95%85%E4%BA%8B' at line 1
select bclassid from ***_enewsclass where classid=%E6%8A%97%E7%99%8C%E6%95%85%E4%BA%8B