Java对象的序列化和反序列化[转]

Java基础学习总结——Java对象的序列化和反序列化

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;
    }
}

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;
    }

}

代码运行结果如下：

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、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

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">

用鼠标点击就会弹出生成serialVersionUID的对话框，如下图所示：

aaarticlea/png;base64,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">

serialVersionUID有两种生成方式：

　　采用这种方式生成的serialVersionUID是1L，例如：

private static final long serialVersionUID = 1L;

采用这种方式生成的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 = 7592930394427200495L;

添加了之后就不会出现那个警告提示了，如下所示：

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;
    }
}

运行结果：

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;
    }
}

然后执行反序列操作，此时就会抛出如下的异常信息：

1 Exception in thread "main" java.io.InvalidClassException: Customer;
2 local class incompatible:
3 stream classdesc serialVersionUID = -88175599799432325,
4 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;
    }
}

　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;
    }
}

执行反序列操作，这次就可以反序列成功了，如下所示：

四、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。

转 http://www.cnblogs.com/xdp-gacl/p/3777987.html