利用servlet处理XMLHTTP提交的POST数据

/*
* publishNews.java
*
* Created on 2007年8月28日, 下午3:57
*/

package com.dading;

import java.io.*;
import java.net.*;

import javax.servlet.*;
import javax.servlet.http.*;

/**
*
* @author Administrator
* @version
*/
public class publishNews extends HttpServlet {

/** Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
* @param request servlet request
* @param response servlet response
*/
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html;charset=UTF-8");
PrintWriter out = response.getWriter();
String str=this.getStream(request);
out.println("返回："+str);
out.close();
}

public String getStream(HttpServletRequest request) throws IOException{
BufferedReader br=new BufferedReader(new InputStreamReader(request.getInputStream(),"UTF-8"));
StringBuffer ReString=new StringBuffer();
String tmp="";
while(true){
tmp=br.readLine();
if(tmp==null)
break;
else
ReString.append(tmp);
}
return ReString.toString();
}

// <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
/** Handles the HTTP <code>GET</code> method.
* @param request servlet request
* @param response servlet response
*/
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
}

/** Handles the HTTP <code>POST</code> method.
* @param request servlet request
* @param response servlet response
*/
protected void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
processRequest(request, response);
}

/** Returns a short description of the servlet.
*/
public String getServletInfo() {
return "Short description";
}
// </editor-fold>
}