xml="<apps>/n" +" <app>/n" +"  <id>1</id>/n" +"  <name>burn</name>/n" +"  <version>1.0</version>/n" +"  <info>/n" +"   <size>10.5</size>/n" +"   <message>hhhhhhhh</message>/n" +"  </info>/n" +"  <info>/n" +"   <size>10.5</size>/n" +"   <message>hhhhhhhh</message>/n" +"  </info>/n" +" </app>/n" +" <app>/n" +"  <id>2</id>/n" +"  <name>burn2</name>/n" +"  <version>2.1</version>/n" +"  <info>/n" +"   <size>10.5</size>/n" +"   <message>hhhhhhhh</message>/n" +"  </info>/n" +"  <info>/n" +"   <size>10.5</size>/n" +"   <message>hhhhhhhh</message>/n" +"  </info>/n" +" </app>/n" +" <app>/n" +"  <id>3</id>/n" +"  <name>burn3</name>/n" +"  <version>3.2</version>/n" +"  <info>/n" +"   <size>10.5</size>/n" +"   <message>hhhhhhhh</message>/n" +"  </info>/n" +"  <info>/n" +"   <size>10.5</size>/n" +"   <message>hhhhhhhh</message>/n" +"  </info>/n" +" </app>/n" +"</apps>";

/*** xml數(shù)據(jù)對應(yīng)的封裝類(注意實體類和xml數(shù)據(jù)的對應(yīng)關(guān)系，所有標簽都得對應(yīng))*/@XStreamAlias("apps")//配置標簽別名public class AppBean {@XStreamImplicit//忽略集合根節(jié)點private List<App> app_list;//必須有無參構(gòu)造方法public AppBean() {}public AppBean(List<App> app_list) {this.app_list = app_list;}public List<App> getApp_list() {return app_list;}public void setApp_list(List<App> app_list) {this.app_list = app_list;}@XStreamAlias("app")public static class App{private long id;private String name;private String version;@XStreamImplicitprivate List<Infor> infor_list;public App() {}public App(long id, List<Infor> infor_list, String name, String version) {this.id = id;this.infor_list = infor_list;this.name = name;this.version = version;}public long getId() {return id;}public void setId(long id) {this.id = id;}public List<Infor> getInfor_list() {return infor_list;}public void setInfor_list(List<Infor> infor_list) {this.infor_list = infor_list;}public String getName() {return name;}public void setName(String name) {this.name = name;}public String getVersion() {return version;}public void setVersion(String version) {this.version = version;}@XStreamAlias("info")public static class Infor{private String message;private double size;public Infor() {}public Infor(String message, double size) {this.message = message;this.size = size;}public String getMessage() {return message;}public void setMessage(String message) {this.message = message;}public double getSize() {return size;}public void setSize(double size) {this.size = size;}}}}

XStream xStream=new XStream();xStream.processAnnotations(AppBean.class);//聲明使用注解的類AppBean ab2= (AppBean) xStream.fromXML(xml);//xml-->Bean，只能解析為對象，不能解析為集合String xml=xStream.toXML(AppBean.class)//Bean-->xml