public static void fileChannelCopy(File s, File t) {				FileInputStream fi = null;				FileOutputStream fo = null;				FileChannel in = null;				FileChannel out = null;				try {						fi = new FileInputStream(s);						fo = new FileOutputStream(t);						in = fi.getChannel();// 得到对应的文件通道						out = fo.getChannel();// 得到对应的文件通道						in.transferTo(0, in.size(), out);// 连接两个通道，并且从in通道读取，然后写入out通道					} catch (IOException e) {						e.printStackTrace();					} finally {						try {								fi.close();								in.close();								fo.close();								out.close();							} catch (IOException e) {								e.printStackTrace();							}					}			}