java 压缩文件

  /**
     * @param source    待压缩文件/文件夹路径
     * @param destination   压缩后压缩文件路径
     * @return 压缩多个文件夹
     */
    public static boolean toZip(String source, String destination) {
        try {
            FileOutputStream out = new FileOutputStream(destination);
            ZipOutputStream zipOutputStream = new ZipOutputStream(out);
            File sourceFile = new File(source);

            // 递归压缩文件夹
            compress(sourceFile, zipOutputStream, sourceFile.getName());

            zipOutputStream.flush();
            zipOutputStream.close();
        } catch (IOException e) {
            System.out.println("failed to zip compress, exception");
            return false;
        }
        return true;
    }

    private static void compress(File sourceFile, ZipOutputStream zos, String name) throws IOException {
        byte[] buf = new byte[1024];
        if(sourceFile.isFile()){
            // 压缩单个文件，压缩后文件名为当前文件名
            zos.putNextEntry(new ZipEntry(name));
            // copy文件到zip输出流中
            int len;
            FileInputStream in = new FileInputStream(sourceFile);
            while ((len = in.read(buf)) != -1){
                zos.write(buf, 0, len);
            }
            zos.closeEntry();
            in.close();
        } else {
            File[] listFiles = sourceFile.listFiles();
            if(listFiles == null || listFiles.length == 0){
                // 空文件夹的处理(创建一个空ZipEntry)
                zos.putNextEntry(new ZipEntry(name + "/"));
                zos.closeEntry();
            }else {
                // 递归压缩文件夹下的文件
                for (File file : listFiles) {
                    compress(file, zos, name + "/" + file.getName());
                }
            }
        }
    }