java中的GZIP压缩学习

今天由于公司的需要对java中的GZIP压缩功能学习，主要实现代码如下：

	public static int write(String fileName,String gizpName) {
		String charset  =   "UTF-8" ;
		 try {
			FileInputStream fileInputStream = new FileInputStream("d:/a.txt");
		    BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(fileInputStream,charset));
		    GZIPOutputStream gzipOutPutStream = new GZIPOutputStream(new FileOutputStream("d:/b.gzip"));
		    String a;
		    while((a=bufferedReader.readLine())!=null){
		    	gzipOutPutStream.write(a.getBytes());
		    }
		    gzipOutPutStream.close();
		    bufferedReader.close();
		    fileInputStream.close();
		} catch (FileNotFoundException e) {
			e.printStackTrace();
		} catch (IOException e) {
			e.printStackTrace();
		}
         return 1;
	}
	
	public static int read(){
		FileInputStream fileInputStream;
		try {
			String charset  =   "UTF-8" ;			
			fileInputStream = new FileInputStream("d:/b.gzip");
		    BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(fileInputStream,charset));
			FileOutputStream fout = new FileOutputStream("d:/test2.txt");  
		    String a;
		    while((a=bufferedReader.readLine())!=null){
		    	System.out.println(a);
		    	fout.write(a.getBytes());
		    }
		    fout.close();
		    bufferedReader.close();
		    fileInputStream.close();
		} catch (FileNotFoundException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		return 1;
	}

目前存在的问题为，写入到gz文件中的信息是没有问题的，但是读取的时候却会出现乱码的问题，需要进一步研究。