INSERT INTO ClassOwnMessage ( classesId, classMessageId , areaid )
Values ( #{classesId}, #{classMessageId} , #{areaid} )
UPDATE ClassOwnMessage
SET classesId = #{classesId},
classMessageId = #{classMessageId} ,
areaid = #{areaid}
WHERE classesId=#{classesId}
and classMessageId=#{classMessageId}
and areaid = #{areaid}
INSERT INTO ClassOwnMessage ( classesId, classMessageId , areaid )
Values
( #{item.classesId},
#{item.classMessageId} ,
#{item.areaid} )
delete from classownmessage where classmessageid=#{messageId}