编写程序，实现成绩的查询和排序。具体要求为：

① 选择合适的布局管理设计美观的界面，包含成绩输入、成绩查询、成绩排序功能。

② 成绩输入：从界面上输入学生的学号和成绩，点击“确认”按钮进行保存。

③ 成绩查询：输入学生的学号，点击“查询”按钮，显示该学生成绩。

④ 成绩排序：点击“排序”按钮，将按成绩从高到低显示学生的学号和成绩。

-Programming to achieve results and sort query. Specific requirements are as follows: ① Select the appropriate layout manager beautifully designed interface, including the results input, query results, results sorted function. ② accomplishments Input: input from the interface of students and results, click on the　Confirm　button to save. ③ results Inquiry: Enter the number of school students, click on　Search　button, and showed that the performance of their students. ④ Sort results: Click on　Sort　button, will show low achievement students and accomplishments.