public byte[] zip(List<String> fileNameList,List<String> filePathList) throws IOException { List<byte[]> listBytes = new ArrayList<>(); for (String downPath :filePathList) { //从主机获得文件流 InputStream is =new FileInputStream(downPath); byte[] down = IOUtils.toByteArray(is); listBytes.add(down); is.close(); } ByteArrayOutputStream fileOutputStream = new ByteArrayOutputStream(); ZipOutputStream out = new ZipOutputStream(fileOutputStream); ZipEntry entry = null; for (int i = 0; i < fileNameList.size(); i++) { byte[] tmpBytes = listBytes.get(i); String name = fileNameList.get(i); entry = new ZipEntry(name); // 存储项信息到压缩文件 out.putNextEntry(entry); // 将文件的内容通过字节数组复制到压缩文件中 out.write(tmpBytes, 0, tmpBytes.length); out.closeEntry(); } out.close(); out.flush(); fileOutputStream.close(); byte[] bytes = fileOutputStream.toByteArray(); return bytes; }