Salin fail melalui penimbal tidak langsung JAVA NIO
/** * 通过JAVA NIO 非直接缓冲区拷贝文件 * * @param sourcePath 源文件路径 * @param targetPath 目标文件路径 */ public static void copyFileByChannel(String sourcePath, String targetPath) { FileChannel outChannel = null; FileChannel inChannel = null; FileInputStream fis = null; FileOutputStream fos = null; try { fis = new FileInputStream(sourcePath); fos = new FileOutputStream(targetPath); //获取通道 inChannel = fis.getChannel(); outChannel = fos.getChannel(); //分配指定大小的缓冲区 ByteBuffer buf = ByteBuffer.allocate(1024); while (inChannel.read(buf) != -1) { //转换为读取数据模式 buf.flip(); //写入到磁盘 outChannel.write(buf); //清空缓冲区 buf.clear(); } } catch (Exception e) { e.printStackTrace(); } finally { //关闭流 try { if (outChannel != null) { outChannel.close(); } if (inChannel != null) { inChannel.close(); } if (fis != null) { fis.close(); } if (fos != null) { fos.close(); } } catch (IOException e) { e.printStackTrace(); } } }
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