另外一个JAVA FTP客户端工具-another Java FTP client tool

挺好的一个java版本的ftp客户端，结构框架设计的很好，代码风格值得学习-very well, a java version of the ftp client, structural framework for a good design, code style worth learning

此工具是FTP客户端的一个开发包，里面包含了我们开发FTP客户端要用到的各种类和方法。-This tool is an FTP client development kit, which includes the development of our FTP client to use a variety of classes and methods.