一个多线程服务，专门监听linux指定目录下文件的变化，然后对目录文件做相应移动，并提交到服务器。这是我在做停车场中用来处理FTP上传图片的程序-A multi-threaded service, special monitoring Linux specify changes in the file directory, and then do the corresponding movement on the directory, and submitted to the server. This is what I do in the parking lot to handle FTP image upload program