键入这张表名称为GC 这种数据存放格式的话就可以啊 用select * from GC order by grade desc 这样年级就会排序出来啊 然后你可以根据select * from GC order by class desc where grade=“一”,select * from GC order by class desc where grade=“二”,select * from GC order by class desc where grade=“三”,select * from GC order by class desc where grade=“四”, 这样班级就会排序出来啊
如果是用代码实现的 我再回答你啊