從壓縮文件流中讀取數據

public class ZipUtils {
	
	@Test
	public void getZipFile() throws IOException {
        String generateUrl = "http://文件地址";
		//從服務器請求文件流，具體代碼就不貼了
//        CloseableHttpResponse response = HttpSender.toPost(FILE_URL, null);
//        InputStream inputStream = response.getEntity().getContent();
		URL url = new URL(generateUrl);
		URLConnection conn = url.openConnection();
		InputStream inputStream = conn.getInputStream();
        ByteArrayOutputStream byteArray = new ByteArrayOutputStream();
        byte[] buff = new byte[1024*1024]; //如果是稍微大的文件，這裏配置的大一些
        int len = 0;
        while((len = inputStream.read(buff)) > 0) {
            //把從服務端讀取的文件流保存到ByteArrayOutputSteam中
            byteArray.write(buff, 0, len);
            byteArray.flush();
        }
        inputStream.close();
//        response.close();

        //GZIPInputstream解壓文件，然後讀取文件
        BufferedReader bufferedReader = new BufferedReader(
                new InputStreamReader(new GZIPInputStream(
                        new ByteArrayInputStream(byteArray.toByteArray())), "utf-8"));
        String line = null;
        while((line = bufferedReader.readLine()) != null) {
            System.out.println(line);
        }
    }
	
}

參考：https://www.cnblogs.com/jianyong-long/p/9693061.html