java 对象深克隆

参考:https://www.cnblogs.com/Qian123/p/5710533.html

package com.inspur.utils;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
import java.lang.reflect.InvocationTargetException;

import org.apache.commons.beanutils.BeanUtils;

import com.inspur.zhyw.configurationInterface.po.HostBean;
import com.zabbix4j.host.Host;
/**
 * 
 * @author noob
 * 实体类工具  集成该类 直接调用 clone方法可实现对象的深度clone
 * 缺陷:克隆的对象必须是同一类下的对象,
 * 实现属性的clone不在乎对象的类 使用	BeanUtils.copyProperties(b, a);
 */
public class Cloneable implements Serializable {
	private static final long serialVersionUID = 369285298572941L;
	public Object clone() {
		Object outer = null;
		try { // 将该对象序列化成流,因为写在流里的是对象的一个拷贝,而原对象仍然存在于JVM里面。所以利用这个特性可以实现对象的深拷贝
			ByteArrayOutputStream baos = new ByteArrayOutputStream();
			ObjectOutputStream oos = new ObjectOutputStream(baos);
			oos.writeObject(this);
			// 将流序列化成对象
			ByteArrayInputStream bais = new ByteArrayInputStream(baos.toByteArray());
			ObjectInputStream ois = new ObjectInputStream(bais);
			outer = ois.readObject();
		} catch (IOException e) {
			e.printStackTrace();
		} catch (ClassNotFoundException e) {
			e.printStackTrace();
		}
		return outer;
	}
	public static void main(String[] args) throws IllegalAccessException, InvocationTargetException {
		//测试深度clone
		Test t1 = new Test();
		Test t2 = (Test)t1.clone();
		//测试属性复制
		Check c1 = new Check();
		BeanUtils.copyProperties(c1, t1);
	}
}
 class Test extends Cloneable{
	
}
 class Check extends Cloneable{
	 
 }


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转载自blog.csdn.net/tomatofireegg/article/details/79132030