文件操作

    /**
     * 拷贝文件
     */
    public static void copyFile(File srcFile, File targetFile) throws IOException {
        FileInputStream inputStream = new FileInputStream(srcFile);
        FileOutputStream outputStream = new FileOutputStream(targetFile);
        BufferedOutputStream bufferedOutputStream = new BufferedOutputStream(outputStream);

        byte[] bytes = new byte[1024];
        int len = 0;
        while ((len = inputStream.read(bytes)) != -1) {
            bufferedOutputStream.write(bytes, 0, len);
            bufferedOutputStream.flush();
        }
        bufferedOutputStream.close();
        inputStream.close();
        outputStream.close();
    }

    /**
     * 删除文件
     */
    public static void deleteFile(File srcFile) {
        srcFile.delete();
    }

    /**
     * 剪切文件
     */
    public static void cutFile(File srcFile, File targetFile) throws IOException {
        copyFile(srcFile, targetFile);
        deleteFile(srcFile);
    }
    /**
     * 压缩文件
     */
    public static void zipFiles(List<File> srcfile, File zipfile) {
        byte[] buf = new byte[1024];
        try {
            //ZipOutputStream类：完成文件或文件夹的压缩
            ZipOutputStream out = new ZipOutputStream(new FileOutputStream(zipfile));
            for (File file : srcfile) {
                FileInputStream in = new FileInputStream(file);
                out.putNextEntry(new ZipEntry(file.getName()));
                int len;
                while ((len = in.read(buf)) > 0) {
                    out.write(buf, 0, len);
                }
                out.closeEntry();
                in.close();
            }
            out.close();
            log.info("压缩完成.");
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    /**
     * 删除文件夹
     */
    public static boolean deleteDir(File dirFile) {
        // 如果dir对应的文件不存在，则退出
        if (!dirFile.exists()) {
            return false;
        }

        if (dirFile.isFile()) {
            return dirFile.delete();
        } else {
            for (File file : dirFile.listFiles()) {
                deleteDir(file);
            }
        }

      return dirFile.delete();
  }