在一个学生成绩管理系统中，希望处理每个学生的学习情况信息，其中学生学习情况信息包括学号、姓名等，以及已学课程的课程号以及成绩，并能使管理人员通过界面完成对学生信息的录入以及对数据的查找、浏览。-In a student performance management systems, wish to address information for each student learning, including information on student learning, including student number, name, etc., and have been courses in the course number and accomplishments, and enable managers to students through the interface to complete information input as well as data search, browse.