package com.panjun.servlets;

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

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

@SuppressWarnings("unchecked")
public class ShowListServlet extends HttpServlet {

    private static final long serialVersionUID = -6920365688165262694L;

    private final List list = new ArrayList();

    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        resp.setContentType("text/xml;charset=UTF-8");
        PrintWriter out = resp.getWriter();
        
        //生成xml文件返回给html页面
        StringBuilder xml = new StringBuilder();
        xml.append("<items>");
        for (Object o : list) {
            xml.append("<item>").append(o).append("</item>");
        }
        xml.append("</items>");
        out.print(xml.toString());
    }

    @Override
    protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        doGet(req, resp);
    }

    @Override
    public void init() throws ServletException {
        list.add("aaaa");
        list.add("bbbb");
        list.add("cccc");
        list.add("dddd");
    }
}

------解决方案--------------------
帮顶!
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