以学生管理系统为例主要介绍了在PowerBuilder中全局变量、实例变量、共享变量和局部变量的用法。系统要完成的任务



¯ 院系专业设置。



¯ 院系专业查询。



¯ 学生档案录入。



¯ 学生档案查询。



¯ 课程设置。



¯ 选课管理。



¯ 成绩录入。



¯ 按学生查询成绩。



¯ 按课程查询成绩。



¯ 系统管理。-Student management system, for example describes the global variables in PowerBuilder, instance variables, shared variables and local variable usage. System to complete the task ¯　faculty professional setting. ¯　faculty professional inquiries. ¯　student file entry. ¯　student records check. ¯　curriculum. ¯　enrollment management. ¯　score entry. ¯　query performance by students. ¯　query results according to the course. ¯　system management.