Java实现序列化与反序列化的简单示例

import java.io.*; 
 
@SuppressWarnings("serial") 
class Person implements Serializable { 
 
  public Person(String name, String sex, int age, int height) { 
    this.name = name; 
    this.sex = sex; 
    this.age = age; 
    this.height = height; 
  } 
 
  public String toString() { 
    return "|" + this.name + "|" + this.sex + "|" + this.age + "|" 
        + this.height + "|"; 
  } 
 
  public String name; 
  public String sex; 
  public int age; 
  public int height; 
} 
 
public class SerialTest { 
  public static void main(String[] args) throws FileNotFoundException, 
      IOException, ClassNotFoundException { 
 
    Person p = new Person("Jim", "male", 28, 194); 
 
    // 开始序列化 
    ObjectOutputStream oos = new ObjectOutputStream(new FileOutputStream( 
        new File("myTest.txt"))); 
    oos.writeObject(p); 
 
    // 反序列化 
    ObjectInputStream ois = new ObjectInputStream(new FileInputStream( 
        new File("myTest.txt"))); 
    Person p1 = (Person) ois.readObject(); 
 
    System.out.println(p1.toString()); 
  } 
} 

import java.io.*; 
import com.thoughtworks.xstream.XStream; 
import com.thoughtworks.xstream.io.xml.DomDriver; 
 
 
@SuppressWarnings("serial") 
class RoadInfo implements Serializable { 
 
  public int id; 
  public long MDN; 
  public String NAME; 
  public double LNG; 
  public double LAT; 
  public String ICON; 
 
} 
 
@SuppressWarnings("serial") 
class table_list implements Serializable { 
 
  public String toString() { 
    StringBuffer sb = new StringBuffer(); 
    for (RoadInfo r : sequence) { 
      sb.append("|"); 
      sb.append(r.id); 
      sb.append("|"); 
      sb.append(r.MDN); 
      sb.append("|"); 
      sb.append(r.NAME); 
      sb.append("|"); 
      sb.append(r.LNG); 
      sb.append("|"); 
      sb.append(r.LAT); 
      sb.append("|"); 
      sb.append(r.ICON); 
      sb.append("|\n"); 
    } 
    return sb.toString(); 
  } 
 
  public table_list(int count) { 
    sequence = new RoadInfo[count]; 
    for (int i = 0; i < count; i++) { 
      sequence[i] = new RoadInfo(); 
    } 
  } 
 
  public RoadInfo[] sequence; 
} 
 
public class XMLTest { 
 
  /** 
   * @param args 
   */ 
  public static void main(String[] args) throws Exception { 
    // TODO Auto-generated method stub 
    StringBuffer sb = new StringBuffer(); 
    BufferedReader reader = new BufferedReader(new FileReader(new File( 
        "friend_msg.xml"))); 
    while (true) { 
      String s = reader.readLine();// 读一行 
      if (s == null) { 
        break; 
      } 
      sb.append(s); 
    } 
 
    XStream xs = new XStream(new DomDriver()); 
    table_list db = (table_list) xs.fromXML(sb.toString()); 
    System.out.println(db.toString()); 
 
  } 
}