insert into community_publicity
id,
community_id,
content,
creation_time
values
#{item.id},
#{item.communityId},
#{item.content},
sysdate()
update community_publicity
community_id=#{item.communityId},
content=#{item.content},
update_time=sysdate()
where community_id = #{item.communityId}
delete from community_publicity where community_id=#{communityId}