序列化与反序列化

/**
	 * 序列化对象
	 */
	public static byte[] serialize(Object o){
		ObjectOutputStream oos = null;
		ByteArrayOutputStream baos = null;
		try{
			baos = new ByteArrayOutputStream();
			oos = new ObjectOutputStream(baos);
			oos.writeObject(o);
			byte[] b = baos.toByteArray();
			return b;
		}catch(Exception e){
			e.printStackTrace();
		}
		return null;
	}
	
	/**
	 * 反序列化
	 */
	public static Object unserialize(byte[] b){
		ByteArrayInputStream bais = null;
		ObjectInputStream ois = null;
		try{
			bais = new ByteArrayInputStream(b);
			ois = new ObjectInputStream(bais);
			return ois.readObject();
		}catch(Exception e){
			e.printStackTrace();
		}
		return null;
	}
	
	/**
	 * 序列化集合
	 */
	public static byte[] serializeList(List<?>list){
		ObjectOutputStream oos = null;
		ByteArrayOutputStream baos = null;
		byte[] b = null;
		try{
			baos = new ByteArrayOutputStream();
			oos = new ObjectOutputStream(baos);
			for (Object object : list) {
				oos.writeObject(object);
			}
			b = baos.toByteArray();
		}catch(Exception e){
			e.printStackTrace();
		}
		return b;
	}
	
	/**
	 * 反序列化集合
	 */
	public static List<?> unserializeList(byte[] b){
		ByteArrayInputStream bais = null;
		ObjectInputStream ois = null;
		List<Object> list = new ArrayList<>();
		try{
			bais = new ByteArrayInputStream(b);
			ois = new ObjectInputStream(ois);
			while(bais.available() > 0){
				Object obj = ois.readObject();
				if(obj == null){
					break;
				}
				list.add(obj);
			}
		}catch(Exception e){
			e.printStackTrace();
		}
		return list;
	}