select id, file, file_name, createtime, updatetime from bdgl_announcement and file = #{file} and file_name like concat('%', #{fileName}, '%') and createtime = #{createtime} and updatetime = #{updatetime} where id = #{id} insert into bdgl_announcement file, file_name, createtime, updatetime, #{file}, #{fileName}, #{createtime}, #{updatetime}, update bdgl_announcement file = #{file}, file_name = #{fileName}, createtime = #{createtime}, updatetime = #{updatetime}, where id = #{id} delete from bdgl_announcement where id = #{id} delete from bdgl_announcement where id in #{id}