id,name,content,phone
#{id},#{name},#{content},#{phone}
name = #{name},
content = #{content},
phone = #{phone}
and id = #{id}
and name = #{name}
and content = #{content}
and phone = #{phone}
insert into message(
) values(
)
delete from message where id=#{id}
delete from message where 1=1
delete from message where 1=1
update message
where 1=1
update message
where id=#{id}
update message
name = #{item.name},
content = #{item.content},
phone = #{item.phone}
where 1=1
and id = #{item.id}
${sql}
${sql}