Java implementation of FTP file upload and download function example code

FTP is the English abbreviation of file transfer protocol, and the Chinese abbreviation is "Text Transfer Protocol". It is used to control the two-way transmission of files on the Internet. At the same time, it is also an application (application). There are different FTP applications based on different operating systems, and all these applications follow the same protocol to transfer files. In the use of FTP, users often encounter two concepts: "download" and "Upload". The "download" file is to copy the file from the remote host to their own computer; "Upload" A file is a copy of a file from your computer to a remote host. In the Internet language, users can upload (download) files to (from) remote hosts through client programs.

First, I downloaded Serv-U and set my computer as an FTP file server for easy operation.

1. Download of FTP file (download from FTP server to local computer)

2. FTP file upload (upload from local machine to FTP server)

The above is the example code of Java for uploading and downloading FTP files introduced by Xiaobian. I hope it will be helpful to you. If you have any questions, please leave me a message and Xiaobian will reply to you in time. Thank you very much for your support for the programming tips website!