Xstream util xml 與 bean之間互轉

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package com.demo.util;import com.thoughtworks.xstream.XStream;import com.thoughtworks.xstream.mapper.MapperWrapper;public class XmlUtil {   /**     * java 轉換成xml     * @Title: toXml      * @Description: TODO      * @param obj 對象執行個體     * @return String xml字串     */    public static String toXml(Object obj){        XStream xstream=new XStream();        xstream.processAnnotations(obj.getClass()); //通過註解方式的，一定要有這句話        return xstream.toXML(obj);    }        /**     *  將傳入xml文本轉換成Java對象     * @Title: toBean      * @Description: TODO      * @param xmlStr     * @param cls  xml對應的class類     * @return T   xml對應的class類的執行個體對象     *      * 調用的方法執行個體：PersonBean person=XmlUtil.toBean(xmlStr, PersonBean.class);     */    public static <T> T  toBean(String xmlStr,Class<T> cls){        XStream xstream = new XStream() {
　　　　　　//忽略xml中的未知節點          @Override          protected MapperWrapper wrapMapper(MapperWrapper next) {            return new MapperWrapper(next) {            @SuppressWarnings("rawtypes")@Override              public boolean shouldSerializeMember(Class definedIn,                      String fieldName) {                if (definedIn == Object.class) {                  return false;                }                return super.shouldSerializeMember(definedIn, fieldName);              }            };          }        };        xstream.processAnnotations(cls);         @SuppressWarnings("unchecked")T obj=(T)xstream.fromXML(xmlStr);       return obj;                } }

Person.java

package com.demo.bean;import java.util.List;import com.thoughtworks.xstream.annotations.XStreamAlias;@XStreamAlias("Person")public class Person {private String userName;private List<Book> bookList;public String getUserName() {return userName;}public void setUserName(String userName) {this.userName = userName;}public List<Book> getBookList() {return bookList;}public void setBookList(List<Book> bookList) {this.bookList = bookList;}}

Book.java

package com.demo.bean;import com.thoughtworks.xstream.annotations.XStreamAlias;@XStreamAlias("book")public class Book {private String bookName;private int price;public String getBookName() {return bookName;}public void setBookName(String bookName) {this.bookName = bookName;}public int getPrice() {return price;}public void setPrice(int price) {this.price = price;}public Book(String bookName, int price) {super();this.bookName = bookName;this.price = price;}}

　　TestMain.java

package com.demo.main;import java.util.ArrayList;import java.util.List;import com.demo.bean.Book;import com.demo.bean.Person;import com.demo.util.XmlUtil;public class TestMain {public static void main(String[] args) {//testBeanToXml();testXmlToBean();}public static void testBeanToXml(){Person p = new Person();p.setUserName("xtream");List<Book> bookList =new ArrayList<Book>();Book book = new Book("呵呵",15);bookList.add(book);p.setBookList(bookList);String xml=XmlUtil.toXml(p);System.out.println(xml);}public static void testXmlToBean(){String xml ="<Person><userName>xstream</userName><age>25</age><bookList><book><bookName>呵呵</bookName><price>15</price></book></bookList></Person>";Person p =XmlUtil.toBean(xml, Person.class);System.out.println("p.getUserName():"+p.getUserName());System.out.println("p.getBookList().get(0).getBookName():"+p.getBookList().get(0).getBookName());}}

　　

xstream 官方文檔  http://xstream.codehaus.org/manual-tweaking-output.html　

Xstream util xml 與 bean之間互轉