我在上大学的时候老师留给我的作业，可以不受拷贝权限的限制，随意拷贝，除非他连这个也加以防范了。我就没办法了-in university teacher when I left the operation can be copied without restrictions authority willfully copy, unless he even this has to be guard against. I can not do anything about

基于jsp的学生作业管理系统，在这里学生可以下载老师布置好的作业，也可以上传自己写好的作业-Jsp-based operations management system for students in this system, students can download operation, the upload operation has been written