这是一个简单的学生成绩管理系统。是我写的第一个可以称的上系统的程序。涉及到了才语言中的文件操作，排序操作等等。-This is a simple student performance management system. Yes, I wrote the first one can be called a system-on procedures. It only relates to the language file manipulation, sorting operation, and so on.