import java.io.Serializable;
public class SerialableObject implements Serializable
{
private static final long serialVersionUID = 8745578444312339136L;
public SerialableObject()
{
}
public SerialableObject(int id, String name, double value)
{
this.id = id;
this.name = name;
this.value = value;
}
public int getId()
{
return id;
}
public void setId(int id)
{
this.id = id;
}
public String getName()
{
return name;
}
public void setName(String name)
{
this.name = name;
}
public double getValue()
{
return value;
}
public void setValue(double value)
{
this.value = value;
}
private int id;
private String name;
private double value;
}
import java.beans.XMLDecoder;
import java.beans.XMLEncoder;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.List;
import java.util.Vector;
public class XmlSerialize
{
public XmlSerialize()
{
}
public void serializeSingleObject(OutputStream os, Object obj) // 序列化单个java对象
{
// XMLEncoder xe = new XMLEncoder(os);
XMLEncoder xe = new XMLEncoder(os, "GBK", true, 0);
// 仅用于Java SE 7
xe.writeObject(obj);
// 序列化成XML字符串
xe.close();
}
public Object deserializeSingleObject(InputStream is) // 反序列化单个Java对象
{
XMLDecoder xd = new XMLDecoder(is);
Object obj = xd.readObject();
// 从XML序列中解码为Java对象
xd.close();
return obj;
}
public void serializeMultipleObject(OutputStream os, List<Object> objs) // 序列化多个Java对象
{
XMLEncoder xe = new XMLEncoder(os);
xe.writeObject(objs);
// 序列化成XML字符串
xe.close();
}
public List<Object> deserializeMultipleObject(InputStream is) // 反序列化多个Java对象
{
XMLDecoder xd = new XMLDecoder(is);
@SuppressWarnings("unchecked")
List<Object> objs = (List<Object>)xd.readObject();
// 从XML序列中解码为Java对象列表
xd.close();
return objs;
}
public void runSingleObject()
{
File xmlFile = new File("object.xml");
SerialableObject jo4Out = new SerialableObject(1, "Java序列化为XML", 3.14159265359);
// 创建待序列化的对象
try
{
FileOutputStream ofs = new FileOutputStream(xmlFile);
// 创建文件输出流对象
serializeSingleObject(ofs, jo4Out);
ofs.close();
}
catch (FileNotFoundException e)
{
e.printStackTrace();
}
catch (IOException e)
{
e.printStackTrace();
}
try
{
FileInputStream ifs = new FileInputStream(xmlFile);
SerialableObject jo4In = (SerialableObject)deserializeSingleObject(ifs);
System.out.println("id: " + jo4In.getId());
System.out.println("name: " + jo4In.getName());
System.out.println("value: " + jo4In.getValue());
}
catch (FileNotFoundException e)
{
e.printStackTrace();
}
}
public void runMultipleObject()
{
File xmlFile = new File("objects.xml");
List<SerialableObject> sos4Out = new Vector<SerialableObject>();
sos4Out.add(new SerialableObject(1, "Java序列化为XML - 1", 3.14));
// 创建待序列化的对象
sos4Out.add(new SerialableObject(2, "Java序列化为XML - 2", 3.14159));
// 创建待序列化的对象
sos4Out.add(new SerialableObject(3, "Java序列化为XML - 3", 3.1415926));
// 创建待序列化的对象
sos4Out.add(new SerialableObject(4, "Java序列化为XML - 4", 3.141592653));
// 创建待序列化的对象
sos4Out.add(new SerialableObject(5, "Java序列化为XML - 5", 3.14159265359));
// 创建待序列化的对象
try
{
FileOutputStream ofs = new FileOutputStream(xmlFile);
// 创建文件输出流对象
serializeSingleObject(ofs, sos4Out);
ofs.close();
}
catch (FileNotFoundException e)
{
e.printStackTrace();
}
catch (IOException e)
{
e.printStackTrace();
}
try
{
FileInputStream ifs = new FileInputStream(xmlFile);
@SuppressWarnings("unchecked")
List<SerialableObject> sos4In = (List<SerialableObject>)deserializeSingleObject(ifs);
for (SerialableObject jo4In : sos4In)
{
System.out.println("id: " + jo4In.getId());
System.out.println("name: " + jo4In.getName());
System.out.println("value: " + jo4In.getValue());
}
}
catch (FileNotFoundException e)
{
e.printStackTrace();
}
}
public static void main(String[] args)
{
XmlSerialize xs = new XmlSerialize();
xs.runSingleObject();
xs.runMultipleObject();
}
}
<?xml version="1.0" encoding="GBK"?> <java version="1.7.0" class="java.beans.XMLDecoder"> <object class="SerialableObject"> <void property="id"> <int>1</int> </void> <void property="name"> <string>Java序列化为XML</string> </void> <void property="value"> <double>3.14159265359</double> </void> </object> </java>
<?xml version="1.0" encoding="GBK"?> <java version="1.7.0" class="java.beans.XMLDecoder"> <object class="java.util.Vector"> <void method="add"> <object class="SerialableObject"> <void property="id"> <int>1</int> </void> <void property="name"> <string>Java序列化为XML - 1</string> </void> <void property="value"> <double>3.14</double> </void> </object> </void> <void method="add"> <object class="SerialableObject"> <void property="id"> <int>2</int> </void> <void property="name"> <string>Java序列化为XML - 2</string> </void> <void property="value"> <double>3.14159</double> </void> </object> </void> <void method="add"> <object class="SerialableObject"> <void property="id"> <int>3</int> </void> <void property="name"> <string>Java序列化为XML - 3</string> </void> <void property="value"> <double>3.1415926</double> </void> </object> </void> <void method="add"> <object class="SerialableObject"> <void property="id"> <int>4</int> </void> <void property="name"> <string>Java序列化为XML - 4</string> </void> <void property="value"> <double>3.141592653</double> </void> </object> </void> <void method="add"> <object class="SerialableObject"> <void property="id"> <int>5</int> </void> <void property="name"> <string>Java序列化为XML - 5</string> </void> <void property="value"> <double>3.14159265359</double> </void> </object> </void> </object> </java>
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