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>