本软件为多用户程序，用户分为超级用户和普通用户两类。当以管理员（教师）身份登陆后可以添加、修改、删除用户（学生）；添加用户（学生）作业目录；查看、批改学生作业。-The software for the multi-user program, the user is divided into two types of super-users and ordinary users. When the administrator (teacher) status after landing can