学生综合素质管理系统的角色划分为3类：
管理员：负责对学生、教师、课程、班级和第二课堂信息的管理。
学 生：选课、查看学分、修改个人信息。
教 师：选择学生、公布成绩。
这三类用户分别拥有自己的操作功能。我们根据操作划分模块，每一个操作模块都要实现自身的功能，并且在整个操作流程中负责承上启下。(The roles of the students' comprehensive quality management system are divided into 3 categories:
Administrator: responsible for the management of students, teachers, courses, classes and second class information.
Students: select courses, check credits, and modify personal information.
Teachers: choose students and publish their results.
These three types of users have their own operating functions respectively. According to the operation division module, each operation module should realize its own function, and in the whole operation process is responsible for the connecting link.)