JAVA压缩文件和解压缩文件

public static void main(String[] args) throws IOException
	{
		try
		{
			ZipOutputStream zipOutStream = new ZipOutputStream(new FileOutputStream(new File("E://aa.rar")));
			// 创建目录级文件名
			ZipEntry e = new ZipEntry("aa\\aa.jpg");
			zipOutStream.putNextEntry(e);
			InputStream is = new FileInputStream("E:\\aa.jpg"); // 文件流
			int len = 0;
			while ((len = is.read()) != -1)
				zipOutStream.write(len);// 写入ZIP对象
			is.close();

			e = new ZipEntry("aa\\aaa.jpg");
			zipOutStream.putNextEntry(e);
			is = new FileInputStream("E:\\aa.jpg");
			len = 0;
			while ((len = is.read()) != -1)
				zipOutStream.write(len);
			is.close();

			// 如果是上ZIP多个文件可以递归

			zipOutStream.finish();
			zipOutStream.flush();
			zipOutStream.close();

			/**
			 * 解压缩
			 */
			File file = new File("E://aa.rar");// 压缩文件
			ZipFile zipFile = new ZipFile(file);// 实例化ZipFile，每一个zip压缩文件都可以表示为一个ZipFile
			// 实例化一个Zip压缩文件的ZipInputStream对象，可以利用该类的getNextEntry()方法依次拿到每一个ZipEntry对象
			ZipInputStream zipInputStream = new ZipInputStream(new FileInputStream(file));
			ZipEntry zipEntry = null;
			while ((zipEntry = zipInputStream.getNextEntry()) != null)
			{
				String fileName = zipEntry.getName();
				File temp = new File("D:\\unpackTest\\" + fileName);
				if (!temp.getParentFile().exists())
					temp.getParentFile().mkdirs();
				OutputStream os = new FileOutputStream(temp);
				is = zipFile.getInputStream(zipEntry);
				len = 0;
				while ((len = is.read()) != -1)
					os.write(len);
				os.close();
				is.close();
			}
			zipInputStream.close();

		}
		catch (FileNotFoundException e)
		{
			e.printStackTrace();
		}

	}