java对象与字符串之间的序列化和反序列化-优快云博客

本文介绍了一个使用Java实现对象序列化为字符串及从字符串反序列化回对象的具体示例。示例中使用了自定义的Department类，并通过ObjectOutputStream和ObjectInputStream完成了序列化与反序列化的过程。

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    package com.lifeng.seri;  
      
    import java.io.ByteArrayInputStream;  
    import java.io.ByteArrayOutputStream;  
    import java.io.IOException;  
    import java.io.ObjectInputStream;  
    import java.io.ObjectOutput;  
    import java.io.ObjectOutputStream;  
      
    import org.junit.Test;  
      
    import com.lifeng.domain.Department;  
      
    public class Serial2Obj {  
        /** 
         * Object对象与string之间的序列化和反序列化 
         * @throws IOException  
         * @throws ClassNotFoundException  
         */  
        @Test  
        public void obj2String() throws IOException, ClassNotFoundException{  
            //Object 序列化成string  
            Department dept = new Department("1","开发部","开发");  
            ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();  
            ObjectOutputStream out = new ObjectOutputStream(byteArrayOutputStream);  
            out.writeObject(dept);  
            String deptString = byteArrayOutputStream.toString("ISO-8859-1");//必须是ISO-8859-1  
            System.out.println("===>"+deptString);  
              
            //String 的反序列化  
            ByteArrayInputStream byteArrayInputStream = new ByteArrayInputStream(deptString.getBytes("ISO-8859-1"));  
            ObjectInputStream objectInputStream = new ObjectInputStream(byteArrayInputStream);  
            Department dept2 = (Department) objectInputStream.readObject();  
            System.out.println(dept2);  
            System.out.println(dept2.getDeptID()+"=="+dept2.getDeptName()+"=="+dept2.getDeptDesc());  
              
            out.close();  
            byteArrayOutputStream.close();  
            objectInputStream.close();  
            byteArrayInputStream.close();  
        }  
    }

转载于:https://my.oschina.net/airship/blog/1585894