发送XML文件

import Java.io.BufferedInputStream;

import java.io.IOException;

import java.io.PrintWriter;

import java.net.MalformedURLException;

import java.net.URL;

import java.net.URLConnection;

import javax.servlet.ServletException;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

public class ResourceServlet extends HttpServlet {

public void doGet(HttpServletRequest request, HttpServletResponse response)

throws ServletException, IOException {

//get web.XML for display by a servlet

String file = "/WEB-INF/web.xml";

URL url = null;

URLConnection urlConn = null;

PrintWriter out = null;

BufferedInputStream buf = null;

try {

out = response.getWriter();

url = getServletContext().getResource(file);

//set response header

response.setContentType("text/xml");

urlConn = url.openConnection();

//establish connection with URL presenting web.xml

urlConn.connect();

buf = new BufferedInputStream(urlConn.getInputStream());

int readBytes = 0;

while ((readBytes = buf.read()) != -1)

out.write(readBytes);

} catch (MalformedURLException mue) {

throw new ServletException(mue.getMessage());

} catch (IOException ioe) {

throw new ServletException(ioe.getMessage());

} finally {

if (out != null)

out.close();

if (buf != null)

buf.close();

}

}

public void doPost(HttpServletRequest request, HttpServletResponse response)

throws ServletException, IOException {

doGet(request, response);

}

}

（出处：http://www.knowsky.com）