一、AreaDao.xml

    
        SELECT area_id, area_name,
        priority, create_time, last_edit_time
        FROM tb_area
        ORDER BY priority
        DESC
    
    
        INSERT INTO
        tb_area(area_name,area_desc,priority,
        create_time,last_edit_time)
        VALUES
        (#{areaName},#{areaDesc},#{priority},
        #{createTime},#{lastEditTime})
    
    
        update tb_area
        
            area_name=#{areaName},
            area_desc=#{areaDesc},
            priority=#{priority},
            last_edit_time=#{lastEditTime}
        
        where area_id=#{areaId}
    
    
        DELETE FROM
        tb_area
        WHERE
        area_id =
        #{areaId}
    
    
        DELETE FROM
        tb_area
        WHERE area_id IN
        
            #{areaId}