ftp4j是一个为实现全功能FTP客户端的Java库。其工作原理是将ftp4j嵌入在你的应用程序，则可以进行文件传输（上传和下载），浏览远程FTP站点（包括目录清单），创建，删除，重命名，移动远程目录和文件。
ftp4j 1.6.1版本更新日志：
1.The "502 Command REST not allowed by policy" and "501 REST not compatible with server configuration" responses to the "REST 0" command are no longer treated as errors.
2.This extends the library compatibility to a greater number of server types.
3.Each SIZE command is now preceded by a TYPE I command, extending the library compatibility.
4.Several enhancements have been applied in the remote file list routine.
5.Finally, a timezone issue has been solved in UnixList">Parser and NetWareListParser.
软件信息：http://www.sauronsoftware.it/projects/ftp4j/
下载地址：https://sourceforge.net/projects/ftp4j/files/ftp4j/1.6.1/ftp4j-1.6.1.zip/download