字符串压缩

最新推荐文章于 2024-09-11 23:34:55 发布

iteye_3118

最新推荐文章于 2024-09-11 23:34:55 发布

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分类专栏： java 文章标签： SUN

本文链接：https://blog.youkuaiyun.com/iteye_3118/article/details/81647373

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/** 
	 * 压缩字符串为 String 
	 * 保存为字符串 
	 * 
	 * @param subObj压缩前的文本 
	 * @return  String
	 */ 
	public static final String compress(Object subObj) { 
		if(subObj == null) 
			return null; 

		byte[] compressed; 
		ByteArrayOutputStream out = null; 
		ZipOutputStream zout = null; 

		try { 
			out = new ByteArrayOutputStream(); 
			zout = new ZipOutputStream(out);  
			zout.setMethod(ZipEntry.DEFLATED);
			zout.putNextEntry(new ZipEntry("0"));

			ObjectOutputStream oos = new ObjectOutputStream(zout);
			oos.writeObject(subObj);

			zout.closeEntry(); 
			compressed = out.toByteArray(); 
			return new sun.misc.BASE64Encoder().encodeBuffer(compressed);
		} catch(IOException e) { 
			e.printStackTrace();
			return null; 
		} finally { 
			if(zout != null) { 
				try{zout.close();} catch(IOException e){} 
			} 
			if(out != null) { 
				try{out.close();} catch(IOException e){} 
			} 
		}