InputStream is = new FileInputStream("D:/t.txt");// 输出目录
OutputStream os = new FileOutputStream("E:/t.txt");// 输入目录
DownloadManager dm = new DownloadManager();
dm.send(is, os); // 输入流,输出流
InputStream is = new FileInputStream("D:/t.txt");// 输出目录
OutputStream os = new FileOutputStream("E:/t.txt");// 输入目录
DownloadManager dm = new DownloadManager();
dm.send(is, os); // 输入流,输出流