批量上传文件到指定服务器指定目录，参数中可以指定用户名、密码、端口-Bulk upload files to a specified server directory is specified, the parameter can specify a user name, password, and port

tcp连接信息查看器，可以查看当前访问你的ftp服务器的ip地址以及端口-The TCP connection information viewer, you can view the current access to your FTP server IP address and port