java 应用程序，ftp课程设计，可以为在做课程设计的同学们有一点帮助，希望以后大家可以互相交流，这是我在另一个地方看到的代码。感觉还挺好的-Application of Java, FTP curriculum design, can make the curriculum design of the students have a little help, hope that we can communicate with each other, this is I am in anoth