xml和json转换工具.doc

Xml和json转换工具，包括三个文件：ExtHelper.java、Total.java和TotalJson.javaJavacode ExtHelper.java import java.util.ArrayList;import java.util.List;import net.sf.json.JSONObject;import com.thoughtworks.xstream.XStream;import com.thoughtworks.xstream.io.xml.DomDriver;/* Title: Ext JS 辅助类* Description: 该类用于转换java对象为XML文件格式或JSON文件格式* author 葛昊* time: 2009年2月5日11:10:54*/public class ExtHelper /* 通过List生成XML数据* param recordTotal 记录总数，不一定与beanList中的记录数相等* param beanList 包含bean对象的集合* return 生成的XML数据*/SuppressWarnings(unchecked)public static String getXmlFromList(long recordTotal , List beanList) Total total = new Total(); total.setResults(recordTotal); List results = new ArrayList(); results.add(total); results.addAll(beanList); XStream sm = new XStream(new DomDriver(); for (int i = 0; i results.size(); i+) Class c = results.get(i).getClass(); String b = c.getName(); String temp = b.split(.); sm.alias(temptemp.length - 1, c); String xml = n + sm.toXML(results); return xml;/* 通过List生成XML数据* param beanList 包含bean对象的集合* return 生成的XML数据*/SuppressWarnings(unchecked)public static String getXmlFromList(List beanList) return getXmlFromList(beanList.size(),beanList);/* 通过List生成JSON数据* param recordTotal 记录总数，不一定与beanList中的记录数相等* param beanList 包含bean对象的集合* return 生成的JSON数据 */SuppressWarnings(unchecked)public static String getJsonFromList(long recordTotal , List beanList) TotalJson total = new TotalJson(); total.setResults(recordTotal); total.setItems(beanList); JSONObject JsonObject = JSONObject.fromObject(total); return JsonObject.toString();/* 通过List生成JSON数据* param beanList 包含bean对象的集合* return 生成的JSON数据 */SuppressWarnings(unchecked)public static String getJsonFromList(List beanList) return getJsonFromList(beanList.size(),beanList);/* 通过bean生成JSON数据* param bean bean对象* return 生成的JSON数据*/public static String getJsonFromBean(Object bean) JSONObject JsonObject = JSONObject.fromObject(bean); return JsonObject.toString();Javacode Total.javapublic class Total private long results;public long getResults() return results;public void setResults(long results) this.results = results;Javacode TotalJson.javaimport java.util.List;/* * 作用是用来封装查询的结果和总数的 * */public class TotalJson private long results;private List items;public List getItems() return items;public void setItems(List items)