用FTP实现文件同步。首先监测源路径的文件，然后将文件 FTP到远程主机，如果FTP成功，删除源路径的文件。-using FTP file synchronization. First Source Monitoring the paper path, and then the file to the remote FTP server, if successful FTP, Path to delete the source document.

文件同步下载程序示例-file synchronization download sample