package com.Utils;

import java.io.ByteArrayInputStream;

import java.io.ByteArrayOutputStream;

import java.io.ObjectInputStream;

import java.io.ObjectOutputStream;

import java.io.Serializable;

public class CloneUtils {

    @SuppressWarnings("unchecked")

    public static <T extends Serializable> T clone(T obj){

        T cloneObj = null;

        try {

            //写入字节流

            ByteArrayOutputStream out = new ByteArrayOutputStream();

            ObjectOutputStream obs = new ObjectOutputStream(out);

            obs.writeObject(obj);

            obs.close();

            //分配内存，写入原始对象，生成新对象

            ByteArrayInputStream ios = new ByteArrayInputStream(out.toByteArray());

            ObjectInputStream ois = new ObjectInputStream(ios);

            //返回生成的新对象

            cloneObj = (T) ois.readObject();

            ois.close();

        } catch (Exception e) {

            e.printStackTrace();

        }

        return cloneObj;

    }

}