studentSystemEJB

代码说明：

  学生选课系统：1学生注册模块；2.学生登录模块；3.学生选课模块；4.学生删除课程模块；5.学生查看课程和个人信息模块；3.管理员登陆模块；3.管理员课程管理模块；3.管理员学生管理模块；3.管理员查看个人信息和学生信息模块；(Student elective system: a student registration module 2 Student login module 3 students elective modules 4 students Delete course modules 5 students view courses and personal information module 3. Administrator landing module 3. Administrator Program management module 3. Administrator Student Management Module 3. administrators to view personal information and student information module )