select id, title, content, hits, del_flag, create_by, create_time, update_by, update_time from common_problem and title = #{title} and content = #{content} and hits = #{hits} where id = #{id} insert into common_problem title, content, hits, del_flag, create_by, create_time, update_by, update_time, #{title}, #{content}, #{hits}, #{delFlag}, #{createBy}, #{createTime}, #{updateBy}, #{updateTime}, update common_problem title = #{title}, content = #{content}, hits = #{hits}, del_flag = #{delFlag}, create_by = #{createBy}, create_time = #{createTime}, update_by = #{updateBy}, update_time = #{updateTime}, where id = #{id} delete from common_problem where id = #{id} delete from common_problem where id in #{id}