利用XStream在Java對象和XML之間相互轉換 XStream是個好東西，可以方便在Java對象和XML之間相互轉換，效率和可讀性都非常高，下面是我寫的一個測試的例子，放出來一塊看看。 需要的jar包如下： xpp3_min-1.1.4c.jar
xstream-1.3.jar 目標：將Persons對象轉換xml，再將xml轉化為Persons對象。
實現源碼列表：
package com.lavasoft.demo3;
import com.thoughtworks.xstream.XStream;
import java.util.List;
import java.util.ArrayList;
import java.util.Iterator;
import java.io.StringReader;
import java.io.FileReader;
import java.io.File;
import java.io.FileNotFoundException;
/**
* Created by IntelliJ IDEA.
* File: demo3.java
* User: leizhimin
* Date: 2008-3-4 14:44:03
*/
public class XStreamDemo {
public static void main(String args[]) {
testBean2XML();
}
/**
* 產生一個Persons對象
*
* @return Persons對象
*/
public static Persons getPersons() {
Address add1 = new Address( "type1", "鄭州市經三路財富廣場1");
Address add2 = new Address( "type2", "鄭州市經三路財富廣場2");
List<Address> addlist1 = new ArrayList<Address>();
addlist1.add(add1);
addlist1.add(add2);
Address add3 = new Address( "type3", "鄭州市經三路財富廣場3");
Address add4 = new Address( "type4", "鄭州市經三路財富廣場4");
List<Address> addlist2 = new ArrayList<Address>();
addlist2.add(add3);
addlist2.add(add4);
Addresses addes1 = new Addresses(addlist1);
Addresses addes2 = new Addresses(addlist2);
Person person1 = new Person(addes1, "6666554", "lavasoft", "man");
Person person2 = new Person(addes2, "7777754", "yutian", "man");
List<Person> listPerson = new ArrayList<Person>();
listPerson.add(person1);
listPerson.add(person2);
Persons persons = new Persons(listPerson,"001");
return persons;
}
/**
* 利用XStream在Java對象和XML之間相互轉換
*/
public static void testBean2XML() {
System.out.println( "將Java對象轉換為xml。\n");
Persons persons = getPersons();
XStream xstream = new XStream();
xstream.alias( "address", Address. class);
xstream.alias( "addresses", Addresses. class);
xstream.alias( "person", Person. class);
xstream.alias( "persons", Persons. class);
String xml = xstream.toXML(persons);
System.out.println(xml);
System.out.println( "\n將xml轉換為Java對象。");
Persons cre_person = (Persons) xstream.fromXML(xml);
System.out.println(cre_person.toString());
}
} public class Persons {
private String type;
private List<Person> listPerson;
public Persons(List<Person> listPerson, String type) {
this.listPerson = listPerson;
this.type = type;
}
public String getType() {
return type;
}
public void setType(String type) {
this.type = type;
}
public List<Person> getListPerson() {
return listPerson;
}
public void setListPerson(List<Person> listPerson) {
this.listPerson = listPerson;
}
public String toString() {
StringBuffer sb= new StringBuffer();
for(Iterator it=listPerson.iterator();it.hasNext();){
Person p=(Person)it.next();
sb.append(it.toString());
}
return "Persons{" +
"type='" + type + '\'' +
", listPerson=" + sb.toString() +
"}\n";
}
} public class Person {
private String name;
private String sex;
private String tel;
private Addresses addes;
public Person(Addresses addes, String name, String sex, String tel) {
this.addes = addes;
this.name = name;
this.sex = sex;
this.tel = tel;
}
public Addresses getAddes() {
return addes;
}
public void setAddes(Addresses addes) {
this.addes = addes;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getSex() {
return sex;
}
public void setSex(String sex) {
this.sex = sex;
}
public String getTel() {
return tel;
}
public void setTel(String tel) {
this.tel = tel;
}
public String toString() {
return "Person{" +
"addes=" + addes.toString() +
", name='" + name + '\'' +
", sex='" + sex + '\'' +
", tel='" + tel + '\'' +
"}\n";
}
} public class Addresses {
private List<Address> listAdd;
public Addresses(List<Address> listAdd) {
this.listAdd = listAdd;
}
public List<Address> getListAdd() {
return listAdd;
}
public void setListAdd(List<Address> listAdd) {
this.listAdd = listAdd;
}
public String toString() {
StringBuffer sb= new StringBuffer();
for(Iterator it=listAdd.iterator();it.hasNext();){
Address add=(Address)it.next();
sb.append(add.toString());
}
return "Addresses{" +
"listAdd=" + sb.toString() +
"}\n";
}
} public class Address {
private String addType;
private String place;
public Address(String addType, String place) {
this.addType = addType;
this.place = place;
}
public String getAddType() {
return addType;
}
public void setAddType(String addType) {
this.addType = addType;
}
public String getPlace() {
return place;
}
public void setPlace(String place) {
this.place = place;
}
public String toString() {
return "Address{" +
"addType='" + addType + '\'' +
", place='" + place + '\'' +
"}\n";
}
} 運行測試類別XStreamDemo，列印出結果： 將Java對象轉換為xml。
< persons >
< type >001 </ type >
< listPerson >
< person >
< name >6666554 </ name >
< sex >lavasoft </ sex >
< tel >man </ tel >
< addes >
< listAdd >
< address >
< addType >type1 </ addType >
< place >鄭州市經三路財富廣場1 </ place >
</ address >
< address >
< addType >type2 </ addType >
< place >鄭州市經三路財富廣場2 </ place >
</ address >
</ listAdd >
</ addes >
</ person >
< person >
< name >7777754 </ name >
< sex >yutian </ sex >
< tel >man </ tel >
< addes >
< listAdd >
< address >
< addType >type3 </ addType >
< place >鄭州市經三路財富廣場3 </ place >
</ address >
< address
