本篇内容主要讲解“Java怎么压缩文件”,感兴趣的朋友不妨来看看。本文介绍的方法操作简单快捷,实用性强。下面就让小编来带大家学习“Java怎么压缩文件”吧!
public static void zipFilePip() { long beginTime = System.currentTimeMillis(); try(WritableByteChannel out = Channels.newChannel(new FileOutputStream(ZIP_FILE))) { Pipe pipe = Pipe.open(); //异步任务 CompletableFuture.runAsync(()->runTask(pipe)); //获取读通道 ReadableByteChannel readableByteChannel = pipe.source(); ByteBuffer buffer = ByteBuffer.allocate(((int) FILE_SIZE)*10); while (readableByteChannel.read(buffer)>= 0) { buffer.flip(); out.write(buffer); buffer.clear(); } }catch (Exception e){ e.printStackTrace(); } printInfo(beginTime); } //异步任务 public static void runTask(Pipe pipe) { try(ZipOutputStream zos = new ZipOutputStream(Channels.newOutputStream(pipe.sink())); WritableByteChannel out = Channels.newChannel(zos)) { System.out.println("Begin"); for (int i = 0; i < 10; i++) { zos.putNextEntry(new ZipEntry(i+SUFFIX_FILE)); FileChannel jpgChannel = new FileInputStream(new File(JPG_FILE_PATH)).getChannel(); jpgChannel.transferTo(0, FILE_SIZE, out); jpgChannel.close(); } }catch (Exception e){ e.printStackTrace(); } }
到此,相信大家对“Java怎么压缩文件”有了更深的了解,不妨来实际操作一番吧!这里是亿速云网站,更多相关内容可以进入相关频道进行查询,关注我们,继续学习!
免责声明:本站发布的内容(图片、视频和文字)以原创、转载和分享为主,文章观点不代表本网站立场,如果涉及侵权请联系站长邮箱:is@yisu.com进行举报,并提供相关证据,一经查实,将立刻删除涉嫌侵权内容。