通过调研目前教学管理系统中的成绩管理子系统,了解成绩管理子系统的业务流程 通过分析比较,结合用户对成绩管理子系统的改进意见与实现情况,运用面向对象思想方法编制而成。-Research achievements in teaching management system management subsystem to understand the business process of performance management subsystem　through analysis and comparison, the combination of user suggestions for improvement of the performance management subsystem achievement, compiled from the use of object-oriented way of thinking.