读入xls文档，完成对成绩的排序，然后重新写回xls。特点就是 ，可以输入不同的排序标准，完成不同的排序。-Read xls document, complete results of the sort, and then re-write back to xls. Feature is that you can enter a different sort criteria, the completion of a different sort.

可以查询多种格式的文件。输入姓名，即可得到相应的成绩。内附写有成绩的文件txt，xls，xlsx。-Can query a variety of formats. Enter the name, you can obtain the corresponding results. Written document containing results.

基于matlab的成绩统计表，输入成绩，自行统计最高分，最低分，均分等-Matlab-based performance statistics, enter grades, self Statistics highest score, lowest score, sharing, etc.

运行源代码之后，输入学生成绩，程序会根据成绩的不同输出不同结果-After running the source code, enter student achievement, the program depending on the output performance of the different results