FTP方式通讯源码，可以实现访问，下载，上传等主要功能-FTP mode communication source, can access, download, upload and other major functions

该IDL源代码，主要功能是，实现基于Socket的ftp通讯程序，稍微修改，即可实现数据自动下载服务。-The IDL source code, the main function is to achieve based on the Socket ftp Communications program, slightly modified, you can achieve automatic data download service.