Android 开发服务类 01_ServletForXML

Servlet implementation class NewsListServlet

 package com.wangjialin.server.xml;

 import java.io.IOException;
 import java.util.List;

 import javax.servlet.ServletException;
 import javax.servlet.http.HttpServlet;
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;

 import com.wangjialin.server.domain.News;
 import com.wangjialin.server.service.XMLService;
 import com.wangjialin.server.service.implement.XMLServiceBean;

 /**
  * Servlet implementation class NewsListServlet
  */
 public class ServletForXML extends HttpServlet {

     private static final long serialVersionUID = 1L;
     private XMLService newsService = new XMLServiceBean();

     protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
         doPost(request, response);
     }

     protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
         List<News> newes = newsService.getLastNews();//获取最新的视频资讯

             request.setAttribute("newes", newes);
             request.getRequestDispatcher("/WEB-INF/page/news.jsp").forward(request, response);
     }

 }

XMLServiceBean

 package com.wangjialin.server.service.implement;

 import java.util.ArrayList;
 import java.util.List;

 import com.wangjialin.server.domain.News;
 import com.wangjialin.server.service.XMLService;

 public class XMLServiceBean implements XMLService {
     /**
      * 获取最新的视频资讯
      * @return
      */
     public List<News> getLastNews(){

         List<News> newes = new ArrayList<News>();
         newes.add(new News(10, "wangjialin", 20));
         newes.add(new News(45, "jialingege", 10));
         newes.add(new News(89, "android", 50));
         return newes;
     }
 }

XMLService

 package com.wangjialin.server.service;

 import java.util.List;

 import com.wangjialin.server.domain.News;

 public interface XMLService {

     /**
      * 获取最新的视频资讯
      * @return
      */
     public List<News> getLastNews();

 }

News.java

 package com.wangjialin.server.domain;

 public class News {

     private Integer id;
     private String title;
     private Integer timelength;

     public News(Integer id, String title, Integer timelength) {
         this.id = id;
         this.title = title;
         this.timelength = timelength;
     }

     public Integer getId() {
         return id;
     }

     public void setId(Integer id) {
         this.id = id;
     }

     public String getTitle() {
         return title;
     }

     public void setTitle(String title) {
         this.title = title;
     }

     public Integer getTimelength() {
         return timelength;
     }

     public void setTimelength(Integer timelength) {
         this.timelength = timelength;
     }

 }

news.jsp

 <%@ page language="java" contentType="text/xml; charset=UTF-8" pageEncoding="UTF-8"%><%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%><?xml version="1.0" encoding="UTF-8"?>
 <newslist>
     <c:forEach items="${newes}" var="news">
         <news id="${news.id}">
             <title>${news.title}</title>
             <timelength>${news.timelength}</timelength>
         </news>
     </c:forEach>
 </newslist>