java实现对文件的基本操作，如创建,删除，读取，写入，解压缩，复制，移动等操作。{@link #createFile(String)}
*
* {@link #readFile(String, String)}
*
* {@link #moveFile(String, String)}
* {@link #moveFiles(String, String)}
*
* {@link #copyFile(File, File)}
* {@link #copyDirectory(String, String)}
* {@link #copyDirectoryContents(String, String)}
*
* {@link #deleteFile(String)}
* {@link #deleteFile(File)}
*
* {@link #zipFile(String, String)}
* {@link #zipFile(String, File)}
* {@link #zipFiles(String, HashMap)}
* {@link #zipFiles(String, File[], File)}
* {@link #zipFile(ZipOutputStream, File, String, BufferedOutputStream)}
*
* {@link #unZipFile(String, String)}
