java写的支持附件的SMTP邮件程序.在分析以往一些排课软件的基础上，提出一个通用的排课管理信息系统的设计方法，并对一些具体的技术问题作出相应安排-support annex to the SMTP e-mail programs. The analysis of the past, some of the Course Scheduling software, based on a common course arrangement management information system

一个用java写的基于拓扑排序的排课系统,可以参考-A written in the Java course arrangement system based on topological sort, you can refer to