DataPackage dp = (DataPackage)xstream.fromXML(new InputStreamReader(new FileInputStream(ftemp),Charset.forName("GBK")));
                    ArrayList<Data> das = dp.getDatas();

package com.automic.commu.bo;
import java.util.ArrayList;


/**
 * @author hxb
 *
 */
public class DataPackage {

    public final static String DATAPACKAGE = "dataPackage";
    public final static String DATA = "data";
    public final static String XMLSAVEDIR = "C:\\xml\\";
    
    private ArrayList<Data> datas;

    public ArrayList<Data> getDatas() {
        return datas;
    }

    public void setDatas(ArrayList<Data> datas) {
        this.datas = datas;
    }
}

xstream.fromXML(new InputStreamReader(new FileInputStream(ftemp),Charset.forName("GBK")));