INSERT INTO UnivClassOwnHear ( classesId, examId, areaId )
Values ( #{classesId}, #{examId}, #{areaId} )
UPDATE UnivClassOwnHear
SET classesId = #{classesId}, examId = #{examId}, areaId = #{areaId}
WHERE classesId=#{classesId} and examId=#{examId}
INSERT INTO UnivClassOwnHear ( classesId, examId, areaId ) Values
( #{item.classesId}, #{item.examId}, #{item.areaId} )