通过本次实验对一个班级学生成绩的管理，使学生了解文件的主要操作。详细的目标如下：

1、　　通过实验中文件的创建、复制和删除等操作完成对文件管理。

2、　　了解文件、文件目录的结构。

3、　　掌握文件的读写、文件指针移动基本操作，并了解文件控制的作用。

-Through this experiment, the management of a class of student achievement, so that students understand the main file operations. Detailed objectives are as follows: 1, experiment by creating the file, copy and delete operations to complete the file management. 2, to understand the structure of the file, the file directory. 3, master reading and writing files, the file pointer is moved basic operations, and understand the role of document control.