Java基础知识：序列化和反序列化

一、序列化和反序列化的概念

　　把对象转换为字节序列的过程称为对象的序列化。
　　把字节序列恢复为对象的过程称为对象的反序列化。
　　对象的序列化主要有两种用途：
　　1） 把对象的字节序列永久地保存到硬盘上，通常存放在一个文件中；
　　2） 在网络上传送对象的字节序列。

　　在很多应用中，需要对某些对象进行序列化，让它们离开内存空间，入住物理硬盘，以便长期保存。比如最常见的是Web服务器中的Session对象，当有 10万用户并发访问，就有可能出现10万个Session对象，内存可能吃不消，于是Web容器就会把一些seesion先序列化到硬盘中，等要用了，再把保存在硬盘中的对象还原到内存中。

　　当两个进程在进行远程通信时，彼此可以发送各种类型的数据。无论是何种类型的数据，都会以二进制序列的形式在网络上传送。发送方需要把这个Java对象转换为字节序列，才能在网络上传送；接收方则需要把字节序列再恢复为Java对象。

二、JDK类库中的序列化API

　　java.io.ObjectOutputStream代表对象输出流，它的writeObject(Object obj)方法可对参数指定的obj对象进行序列化，把得到的字节序列写到一个目标输出流中。
　　java.io.ObjectInputStream代表对象输入流，它的readObject()方法从一个源输入流中读取字节序列，再把它们反序列化为一个对象，并将其返回。
　　只有实现了Serializable和Externalizable接口的类的对象才能被序列化。Externalizable接口继承自
Serializable接口，实现Externalizable接口的类完全由自身来控制序列化的行为，而仅实现Serializable接口的类可以
采用默认的序列化方式 。
　　对象序列化包括如下步骤：
　　1） 创建一个对象输出流，它可以包装一个其他类型的目标输出流，如文件输出流；
　　2） 通过对象输出流的writeObject()方法写对象。

　　对象反序列化的步骤如下：
　　1） 创建一个对象输入流，它可以包装一个其他类型的源输入流，如文件输入流；
　　2） 通过对象输入流的readObject()方法读取对象。

对象序列化和反序列范例：

　　定义一个Person类，实现Serializable接口

import java.io.Serializable;

/**
 * <p>ClassName: Person<p>
 * <p>Description:测试对象序列化和反序列化<p>
 * @author xudp
 * @version 1.0 V
 * @createTime 2014-6-9 下午02:33:25
 */
public class Person implements Serializable {

    /**
     * 序列化ID
     */
    private static final long serialVersionUID = -5809782578272943999L;
    private int age;
    private String name;
    private String sex;

    public int getAge() {
        return age;
    }

    public String getName() {
        return name;
    }

    public String getSex() {
        return sex;
    }

    public void setAge(int age) {
        this.age = age;
    }

    public void setName(String name) {
        this.name = name;
    }

    public void setSex(String sex) {
        this.sex = sex;
    }
}

代码

　　序列化和反序列化Person类对象

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.text.MessageFormat;

/**
 * <p>ClassName: TestObjSerializeAndDeserialize<p>
 * <p>Description: 测试对象的序列化和反序列<p>
 * @author xudp
 * @version 1.0 V
 * @createTime 2014-6-9 下午03:17:25
 */
public class TestObjSerializeAndDeserialize {

    public static void main(String[] args) throws Exception {
        SerializePerson();//序列化Person对象
        Person p = DeserializePerson();//反序列Perons对象
        System.out.println(MessageFormat.format("name={0},age={1},sex={2}",
                                                 p.getName(), p.getAge(), p.getSex()));
    }

    /**
     * MethodName: SerializePerson
     * Description: 序列化Person对象
     * @author xudp
     * @throws FileNotFoundException
     * @throws IOException
     */
    private static void SerializePerson() throws FileNotFoundException,
            IOException {
        Person person = new Person();
        person.setName("gacl");
        person.setAge(25);
        person.setSex("男");
        // ObjectOutputStream 对象输出流，将Person对象存储到E盘的Person.txt文件中，完成对Person对象的序列化操作
        ObjectOutputStream oo = new ObjectOutputStream(new FileOutputStream(
                new File("E:/Person.txt")));
        oo.writeObject(person);
        System.out.println("Person对象序列化成功！");
        oo.close();
    }

    /**
     * MethodName: DeserializePerson
     * Description: 反序列Perons对象
     * @author xudp
     * @return
     * @throws Exception
     * @throws IOException
     */
    private static Person DeserializePerson() throws Exception, IOException {
        ObjectInputStream ois = new ObjectInputStream(new FileInputStream(
                new File("E:/Person.txt")));
        Person person = (Person) ois.readObject();
        System.out.println("Person对象反序列化成功！");
        return person;
    }

}

代码

代码运行结果如下：

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alt="" 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alt="" />

序列化Person成功后在E盘生成了一个Person.txt文件，而反序列化Person是读取E盘的Person.txt后生成了一个Person对象

三、序列化、反序列化为XML文件

序列化、反序列化为XML文件，我使用了XStream来序列化，需要引入xstream-1.3.1.jar包的支持，
http://xstream.codehaus.org/download.html  处可以下载jar，然后引入到Eclipse中的build path中。
Serialize.java的代码如下：

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;

import com.thoughtworks.xstream.*;

public class Serialize {
    public static void main(String[] args) {
        Serialize ser = new Serialize();
        ser.serializeToXml();
        ser.deSerializeFromXml();
    }

public void serializeToXml(){
        Person[] myPerson = new Person[2];
        myPerson[0] = new Person("Jay",24);
        myPerson[1] = new Person("Tom",23);

        XStream xstream = new XStream();
        try {
            FileOutputStream fos = new FileOutputStream("E:\\workspace\\2010_03\\src\\myPerson.xml");
             xstream.toXML(myPerson,fos);
             } catch (FileNotFoundException ex) {
             ex.printStackTrace();
             }
        System.out.println(xstream.toXML(myPerson));
    }
    public void deSerializeFromXml(){
         XStream xs = new XStream();
         Person[] myPerson = null;

         try {
         FileInputStream fis = new FileInputStream("E:\\workspace\\2010_03\\src\\myPerson.xml");
         myPerson=(Person[])xs.fromXML(fis);
         if (myPerson != null)
         {
             int len = myPerson.length;
             for (int i=0;i<len;i++)
             {
                 System.out.println(myPerson[i].getName());
                 System.out.println(myPerson[i].getAge());
             }

         }
         } catch (FileNotFoundException ex) {
         ex.printStackTrace();
         }
    }
}

代码

运行结果为（console输出），当然可以查看到myPerson.xml文件已经生成：
Inside Person's Constructor
Inside Person's Constructor
<Person-array>
  <Person>
    <name>Jay</name>
    <age>24</age>
  </Person>
  <Person>
    <name>Tom</name>
    <age>23</age>
  </Person>
</Person-array>
Jay
24
Tom
23

参考资料：
http://developer.51cto.com/art/200908/147650.htm
http://www.ibm.com/developerworks/cn/xml/x-xstream/#resources
http://www.cnblogs.com/stephencat/archive/2007/06/05/772520.html

转载：http://renyongjie668.blog.163.com/blog/static/1600531201022105142865/

四、serialVersionUID的作用

　　s​e​r​i​a​l​V​e​r​s​i​o​n​U​I​D​:​ ​字​面​意​思​上​是​序​列​化​的​版​本​号​，凡是实现Serializable接口的类都有一个表示序列化版本标识符的静态变量

 private static final long serialVersionUID

　　实现Serializable接口的类如果类中没有添加serialVersionUID，那么就会出现如下的警告提示

　　aaarticlea/png;base64,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" alt="" />

　　用鼠标点击aaarticlea/png;base64,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" alt="" />就会弹出生成serialVersionUID的对话框，如下图所示：

　　aaarticlea/png;base64,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" alt="" />

　　serialVersionUID有两种生成方式：

　　采用aaarticlea/png;base64,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" alt="" />这种方式生成的serialVersionUID是1L，例如：

 private static final long serialVersionUID = 1L;

　　采用aaarticlea/png;base64,iVBORw0KGgoAAAANSUhEUgAAANEAAAATCAIAAACBeH8HAAACK0lEQVRoge1VMUvDQBTO3yoodOjQDB3MUFpra7WYgEI6FArFCjrooktcdGkG6VJQ0NVNxEUElwqKICI4CP6HOhQ13L17eUnaS9H3ccPdy7v3fXn35WKMouPz45EHD2Tg/jFieI7BSAL2HEM32HMM3VB6bvl8czx0qmH8Byg9Vz3rvL7b1dNOyH4DqGAYhhCXI7OPKWnGaxrfmDhvPD3ECkEIESBfVag8aD+/rS0O2vEUy/HZ8RxdSVqaZ6dXdMi3DBgfIZ4r9lvDl0ax3wplUl11oZG0wJ6bBmJ6zuo1rZ5r+U3Lby703LunlfHc8l3Ldy2/CdKAv9FgkPK/kG9jeY7/soWLHcxRiVFFEM2gpFA9YE2QXcUraMM7BgYj6VF1HlQFLoH6wUXheP16WAfGQ/16WC8cbYA0QtNDJ4jc5BPKm4fmRNKM10HS6AoR9njdiKSH0g1Knd9HwUXes03PyXt23nPMQ+fyvmZ69jhoeo7p2TKN/N3EViw0nVJZlQOKlNtB50qoWdgVVaGqSDx23Ii6PRdE7qBxcbuU21+l0CT0HHgMdK5Iu+Q04i4VIulB2CN5bgQ5nsIeypWm57J7tcFNJbtbQziEKyc4xyNgKdW1Ac7xHGJxkGsamhEioZQAkPpnl0oShShUj6om3gqBHc5XvdL8duXkqjy3U0Fee1IQjk0DIyNFKA84s1XKdEuZbkmTDsKXzfgb4DNm6AZ7jqEb7DmGbrDnGLrxBTOIm3wX0K0ZAAAAAElFTkSuQmCC" alt="" />这种方式生成的serialVersionUID是根据类名，接口名，方法和属性等来生成的，例如：

 private static final long serialVersionUID = 4603642343377807741L;

　　添加了之后就不会出现那个警告提示了，如下所示：

　　aaarticlea/png;base64,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" alt="" />

　　扯了那么多，那么serialVersionUID(序列化版本号)到底有什么用呢，我们用如下的例子来说明一下serialVersionUID的作用，看下面的代码：

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;

public class TestSerialversionUID {

    public static void main(String[] args) throws Exception {
        SerializeCustomer();// 序列化Customer对象
        Customer customer = DeserializeCustomer();// 反序列Customer对象
        System.out.println(customer);
    }

    /**
     * MethodName: SerializeCustomer
     * Description: 序列化Customer对象
     * @author xudp
     * @throws FileNotFoundException
     * @throws IOException
     */
    private static void SerializeCustomer() throws FileNotFoundException,
            IOException {
        Customer customer = new Customer("gacl",25);
        // ObjectOutputStream 对象输出流
        ObjectOutputStream oo = new ObjectOutputStream(new FileOutputStream(
                new File("E:/Customer.txt")));
        oo.writeObject(customer);
        System.out.println("Customer对象序列化成功！");
        oo.close();
    }

    /**
     * MethodName: DeserializeCustomer
     * Description: 反序列Customer对象
     * @author xudp
     * @return
     * @throws Exception
     * @throws IOException
     */
    private static Customer DeserializeCustomer() throws Exception, IOException {
        ObjectInputStream ois = new ObjectInputStream(new FileInputStream(
                new File("E:/Customer.txt")));
        Customer customer = (Customer) ois.readObject();
        System.out.println("Customer对象反序列化成功！");
        return customer;
    }
}

/**
 * <p>ClassName: Customer<p>
 * <p>Description: Customer实现了Serializable接口，可以被序列化<p>
 * @author xudp
 * @version 1.0 V
 * @createTime 2014-6-9 下午04:20:17
 */
class Customer implements Serializable {
    //Customer类中没有定义serialVersionUID
    private String name;
    private int age;

    public Customer(String name, int age) {
        this.name = name;
        this.age = age;
    }

    /*
     * @MethodName toString
     * @Description 重写Object类的toString()方法
     * @author xudp
     * @return string
     * @see java.lang.Object#toString()
     */
    @Override
    public String toString() {
        return "name=" + name + ", age=" + age;
    }
}

代码

运行结果：

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" 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/>aaarticlea/png;base64,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" 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序列化和反序列化都成功了。

下面我们修改一下Customer类，添加多一个sex属性，如下：

class Customer implements Serializable {
    //Customer类中没有定义serialVersionUID
    private String name;
    private int age;

    //新添加的sex属性
    private String sex;

    public Customer(String name, int age) {
        this.name = name;
        this.age = age;
    }

    public Customer(String name, int age,String sex) {
        this.name = name;
        this.age = age;
        this.sex = sex;
    }

    /*
     * @MethodName toString
     * @Description 重写Object类的toString()方法
     * @author xudp
     * @return string
     * @see java.lang.Object#toString()
     */
    @Override
    public String toString() {
        return "name=" + name + ", age=" + age;
    }
}

代码

　　然后执行反序列操作，此时就会抛出如下的异常信息：

 Exception in thread "main" java.io.InvalidClassException: Customer;
 local class incompatible:
 stream classdesc serialVersionUID = -88175599799432325,
 local class serialVersionUID = -5182532647273106745

　　意思就是说，文件流中的class和classpath中的class，也就是修改过后的class，不兼容了，处于安全机制考虑，程序抛出了错误，并且拒绝载入。那么如果我们真的有需求要在序列化后添加一个字段或者方法呢？应该怎么办？那就是自己去指定serialVersionUID。在TestSerialversionUID例子中，没有指定Customer类的serialVersionUID的，那么java编译器会自动给这个class进行一个摘要算法，类似于指纹算法，只要这个文件 多一个空格，得到的UID就会截然不同的，可以保证在这么多类中，这个编号是唯一的。所以，添加了一个字段后，由于没有显指定 serialVersionUID，编译器又为我们生成了一个UID，当然和前面保存在文件中的那个不会一样了，于是就出现了2个序列化版本号不一致的错误。因此，只要我们自己指定了serialVersionUID，就可以在序列化后，去添加一个字段，或者方法，而不会影响到后期的还原，还原后的对象照样可以使用，而且还多了方法或者属性可以用。

　　下面继续修改Customer类，给Customer指定一个serialVersionUID，修改后的代码如下：

class Customer implements Serializable {
    /**
     * Customer类中定义的serialVersionUID(序列化版本号)
     */
    private static final long serialVersionUID = -5182532647273106745L;
    private String name;
    private int age;

    //新添加的sex属性
    //private String sex;

    public Customer(String name, int age) {
        this.name = name;
        this.age = age;
    }

    /*public Customer(String name, int age,String sex) {
        this.name = name;
        this.age = age;
        this.sex = sex;
    }*/

    /*
     * @MethodName toString
     * @Description 重写Object类的toString()方法
     * @author xudp
     * @return string
     * @see java.lang.Object#toString()
     */
    @Override
    public String toString() {
        return "name=" + name + ", age=" + age;
    }
}

代码

　　重新执行序列化操作，将Customer对象序列化到本地硬盘的Customer.txt文件存储，然后修改Customer类，添加sex属性，修改后的Customer类代码如下：

class Customer implements Serializable {
    /**
     * Customer类中定义的serialVersionUID(序列化版本号)
     */
    private static final long serialVersionUID = -5182532647273106745L;
    private String name;
    private int age;

    //新添加的sex属性
    private String sex;

    public Customer(String name, int age) {
        this.name = name;
        this.age = age;
    }

    public Customer(String name, int age,String sex) {
        this.name = name;
        this.age = age;
        this.sex = sex;
    }

    /*
     * @MethodName toString
     * @Description 重写Object类的toString()方法
     * @author xudp
     * @return string
     * @see java.lang.Object#toString()
     */
    @Override
    public String toString() {
        return "name=" + name + ", age=" + age;
    }
}

代码

执行反序列操作，这次就可以反序列成功了，如下所示：

　　aaarticlea/png;base64,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" alt="" />

五、serialVersionUID的取值

　　serialVersionUID的取值是Java运行时环境根据类的内部细节自动生成的。如果对类的源代码作了修改，再重新编译，新生成的类文件的serialVersionUID的取值有可能也会发生变化。
　　类的serialVersionUID的默认值完全依赖于Java编译器的实现，对于同一个类，用不同的Java编译器编译，有可能会导致不同的
serialVersionUID，也有可能相同。为了提高serialVersionUID的独立性和确定性，强烈建议在一个可序列化类中显示的定义serialVersionUID，为它赋予明确的值。

　　显式地定义serialVersionUID有两种用途：
　　　　1、 在某些场合，希望类的不同版本对序列化兼容，因此需要确保类的不同版本具有相同的serialVersionUID；
　　　　2、 在某些场合，不希望类的不同版本对序列化兼容，因此需要确保类的不同版本具有不同的serialVersionUID。

六、控制对象的序列化和反序列化

控制序列化就是有选择的序列化对象，而不是把对象的所以内容都序列化，前篇我们的例子中介绍了transit变量和类变量(static)不被序列化，现在我们还有一种更为灵活的控制对象序列化和反序列方法，可以在序列化过程中储存其他非this对象包含的数据

我们现在再来介绍一个接口 java.io.Externalizable 。当对象实现了这个接口时，就可以灵活的控制它的序列化和反序列过程，这个接口继承了java.io.Serializable

Externalizable 接口定义了两个方法，writerExternal方法在序列化时被调用，可以再该方法中控制序列化内容，readExternal方法在反序列时被调用，可以在该方法中控制反序列的内容

好了，现在我们改写上例的UserInfo

import java.io.*;
import java.util.*;   

//本程序通过实现Externalizable接口控制对象序列化和反序列
public class UserInfo implements Externalizable {
    public String userName;
    public String userPass;
    public int userAge;   

    public UserInfo(){
    }   

    public UserInfo(String username,String userpass,int userage){
        this.userName=username;
        this.userPass=userpass;
        this.userAge=userage;
    }   

    //当序列化对象时,该方法自动调用
    public void writeExternal(ObjectOutput out) throws IOException{
        System.out.println("现在执行序列化方法");
        //可以在序列化时写非自身的变量
        Date d=new Date();
        out.writeObject(d);
        //只序列化userName,userPass变量
        out.writeObject(userName);
        out.writeObject(userPass);
    }   

    //当反序列化对象时,该方法自动调用
    public void readExternal(ObjectInput in) throws IOException,ClassNotFoundException{
        System.out.println("现在执行反序列化方法");
        Date d=(Date)in.readObject();
        System.out.println(d);
        this.userName=(String)in.readObject();
        this.userPass=(String)in.readObject();
    }   

    public String toString(){
        return "用户名: "+this.userName+";密码："+this.userPass+
            ";年龄："+this.userAge;
    }
}  

代码

改写测试类

import java.io.ObjectOutputStream;
import java.io.ObjectInputStream;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.util.Date;
import java.lang.management.*;
public class Test {   

    //序列化对象到文件
    public static void serialize(String fileName){
        try
        {
            //创建一个对象输出流，讲对象输出到文件
            ObjectOutputStream out=new ObjectOutputStream(new FileOutputStream(fileName));   

            UserInfo user=new UserInfo("renyanwei","888888",20);
            out.writeObject(user);  //序列化一个会员对象   

            out.close();
        }
        catch (Exception x)
        {
            System.out.println(x.toString());
        }   

    }
    //从文件反序列化到对象
    public static void deserialize(String fileName){
        try
        {
            //创建一个对象输入流，从文件读取对象
            ObjectInputStream in=new ObjectInputStream(new FileInputStream(fileName));   

            //读取UserInfo对象并调用它的toString()方法
            UserInfo user=(UserInfo)(in.readObject());
            System.out.println(user.toString());   

            in.close();
        }
        catch (Exception x)
        {
            System.out.println(x.toString());
        }   

    }   

    public static void main(String[] args) {       

        serialize("D:\\test.txt");
        System.out.println("序列化完毕");   

        deserialize("D:\\test.txt");
        System.out.println("反序列化完毕");
    }   

}  

代码

执行结果

现在执行序列化方法
序列化完毕
现在执行反序列化方法
Thu Oct 23 22:18:12 CST 2008
用户名: renyanwei;密码：888888;年龄：0
反序列化完毕

通过一张图来看程序流程

首先，我们在序列化UserInfo对象的时候，由于这个类实现了Externalizable 接口，在writeExternal()方法里定义了哪些属性可以序列化，哪些不可以序列化，所以，对象在经过这里就把规定能被序列化的序列化保存文件，不能序列化的不处理，然后在反序列的时候自动调用readExternal()方法，根据序列顺序挨个读取进行反序列，并自动封装成对象返回，然后在测试类接收，就完成了反序列

推荐阅读   《关于 Java 对象序列化您不知道的 5 件事》 www.ibm.com/developerworks/cn/java/j-5things1/