code: public static void copyDirectories(File[] directories, String storageFolder) throws IOException {
          storageFolder = checkFolder(storageFolder) + ValueConsts.SEPARATOR;
          for (File directory : directories) {
              copyDirectory(directory, new File(storageFolder + directory.getName()));
          }
      }
docs: 批量复制文件夹
  
  @param directories 文件夹数组
  @param storageFolder 存储目录
  
  @throws IOException 异常