waterElectricityService/ObjectUtil.java

package com.happy.redis;

import java.io.*;

public class ObjectUtil {

	/**
	 * 对象转byte[]
	 * 
	 * @param obj
	 * @return
	 * @throws IOException
	 */
	public static byte[] objectToBytes(Object obj) throws Exception {
		ByteArrayOutputStream bo = new ByteArrayOutputStream();
		ObjectOutputStream oo = new ObjectOutputStream(bo);
		oo.writeObject(obj);
		byte[] bytes = bo.toByteArray();
		bo.close();
		oo.close();
		return bytes;
	}

	/**
	 * byte[]转对象
	 * 
	 * @param bytes
	 * @return
	 * @throws Exception
	 */
	public static Object bytesToObject(byte[] bytes) throws Exception {
		ByteArrayInputStream in = new ByteArrayInputStream(bytes);
		ObjectInputStream sIn = new ObjectInputStream(in);
		return sIn.readObject();
	}
}