求大神解决！！
排序就可以了http://zhidao.baidu.com/question/433177615.html?fr=iks&word=%C3%BF%B8%F6%D3%CE%CF%B7%D5%DF%B1%BB%B7%D6%C5%E4%B5%BD%D2%BB%D7%E9%B7%C7%B8%BA%D5%FB%CA%FD%2C%D3%CE%CF%B7%D5%DF%BF%C9%D2%D4%BD%AB%D5%E2%D0%A9%CA%FD%C5%C5%C1%D0%C6%F0%C0%B4%2C%D7%E9%B3%C9%D2%BB%B8%F6%D7%EE%B4%F3%B5%C4%CA%FD&ie=gbk
