Java 中将对象序列化为字符串

Sheeraz Gul 2022年6月2日
Java 中将对象序列化为字符串

本教程演示如何在 Java 中将对象序列化为字符串。

Java 中将对象序列化为字符串

要将对象序列化为字符串,我们可以使用 base 64 编码。我们可以通过创建两个类来实现序列化,一个类将实现 Serializable 类,另一个类将用于创建 Serializable 类的对象并对其进行序列化。

请参阅 Java 示例:

package delftstack;

import java.util.*;

public class Serialize_Object {

    public static void main( String [] args )  throws IOException,
                                                      ClassNotFoundException {
        String Serialized_String = To_String( new Demo_Serialize() );
        System.out.println(" The Serialized String " );
        System.out.println( Serialized_String );
        Demo_Serialize Original_object = ( Demo_Serialize ) From_String( Serialized_String );
        System.out.println( "\n\nThe Original String");
        System.out.println( Original_object );


   private static Object From_String( String s ) throws IOException ,
                                                       ClassNotFoundException {
        byte [] Byte_Data = Base64.getDecoder().decode( s );
        ObjectInputStream Object_Input_Stream = new ObjectInputStream( new ByteArrayInputStream(Byte_Data) );
        Object Demo_Object  = Object_Input_Stream.readObject();
        return Demo_Object;

    private static String To_String( Serializable Demo_Object ) throws IOException {
        ByteArrayOutputStream Byte_Array_Output_Stream = new ByteArrayOutputStream();
        ObjectOutputStream Object_Output_Stream = new ObjectOutputStream( Byte_Array_Output_Stream );
        Object_Output_Stream.writeObject( Demo_Object );
        return Base64.getEncoder().encodeToString(Byte_Array_Output_Stream.toByteArray());

class Demo_Serialize implements Serializable {

    private final static long serialVersionUID = 1;

    int i    = Integer.MAX_VALUE;
    Double d = new Double( -1.0 );
    public String toString(){
        return  "DelftStack is a resource for everyone interested in "
        		+ "programming, embedded software, and electronics. "
        		+ "It covers the programming languages like Python, "
        		+ "C/C++, C#, and so on in this website's first "
        		+ "development stage. Open-source hardware also falls "
        		+ "in the website's scope, like Arduino, Raspberry Pi, and BeagleBone.";

上面的代码将创建一个 Demo_Serialize 类的对象并将该对象序列化为一个字符串。上面代码的输出将是:

 The Serialized String

The Original String
DelftStack is a resource for everyone interested in programming, embedded software, and electronics. It covers the programming languages like Python, C/C++, C#, and so on in this website's first development stage. Open-source hardware also falls in the website's scope, like Arduino, Raspberry Pi, and BeagleBone.
Author: Sheeraz Gul
Sheeraz Gul avatar Sheeraz Gul avatar

Sheeraz is a Doctorate fellow in Computer Science at Northwestern Polytechnical University, Xian, China. He has 7 years of Software Development experience in AI, Web, Database, and Desktop technologies. He writes tutorials in Java, PHP, Python, GoLang, R, etc., to help beginners learn the field of Computer Science.

LinkedIn Facebook

相关文章 - Java Object

相关文章 - Java String