delete from forum where id = #{id} /*主页帖子展示*/ select b.id, b.title, b.avatars,b.flag, b.views, b.create_time, b.description,b.like, a.username, a.avatar from forum b,user a where a.id = b.user_id order by b.create_time desc /*主页帖子展示*/ select b.id, b.title, b.avatars, b.views, b.update_time, b.description,b.like, a.username, a.avatar, bt.tag_id from user a,forum b left join forum_tags bt on b.id=bt.forum_id where a.id = b.user_id -- order by b.update_time desc -- 0.0. -- 0 /*后台帖子展示*/ select b.id, b.title, b.create_time, b.commentabled from forum b order by b.create_time desc select b.id, b.title,b.flag, b.avatars, b.views, b.update_time, b.description, t1.name tagname, t1.id tagid, a.username, a.avatar from forum b, user a, forum_tags tb, tag t1 where a.id = b.user_id and tb.forum_id = b.id and tb.tag_id = t1.id and t1.id = #{tagId} order by b.update_time desc /*后台展示帖子*/ select b.id, b.flag, b.title, b.content, b.tag_ids, b.avatars, b.description, b.commentabled from forum b where b.id = #{id}; /*帖子详情*/ select b.id, b.avatars, b.flag, b.title, b.content, b.views, b.commentabled,b.like,a.username, a.avatar,tag.id tagid, tag.name tagname from forum b, user a, tag tag, forum_tags tb where b.user_id = a.id and tb.forum_id = b.id and tb.tag_id = tag.id and b.id = #{id} select b.id, b.title, b.avatars, b.views, b.create_time, b.description,b.like, a.username, a.avatar from forum b, user a where a.id = b.user_id and (b.title like #{pattern} or b.content like #{pattern}) order by b.create_time desc /*模糊查询*/ select b.id, b.title, b.update_time, b.published, t.id, t.name from forum b where b.title like #{pattern} update forum set flag = #{flag} , title = #{title}, content = #{content}, tag_ids = #{tagIds}, avatars = #{avatars} , description = #{description} , commentabled = #{commentabled} ,update_time = #{updateTime} where id = #{id}; update forum b set b.views=b.views+1 where id=#{id}; insert into forum (title, content, avatars, flag, views, commentabled, create_time, update_time, tag_ids, user_id, description) values (#{title}, #{content}, #{avatars}, #{flag}, #{views}, #{commentabled}, #{createTime}, #{updateTime}, #{tagIds}, #{userId}, #{description}); insert into forum_tags (tag_id, forum_id) values (#{tagId},#{forumId}); select DATE_FORMAT(b.updateTime, '%Y') from forum b select DATE_FORMAT(b.update_time, '%M') from forum b order by b.update_time desc select b.title, b.id,b.update_time, bt.tag_id from forum b left join forum_tags bt on b.id=bt.forum_id where DATE_FORMAT(b.update_time, "%Y") = #{year} order by b.update_time desc; select b.title, b.update_time, b.id, b.flag from forum b where DATE_FORMAT(b.update_time, "%Y%M") = #{month} select b.title,b.id from forum b order by b.views desc limit 0,3 select b.title,b.id from forum b order by b.create_time desc limit 0,3 select b.like from forum b where b.id=#{id} update forum b set b.like=b.like+1 where b.id=#{id} select count(views) from forum update forum b set b.like=b.like-1 where b.id=#{forumId}