Web服务在本地PC的负载均衡（根据IP不同进行分配）

package com.ljf.test;

 

import java.io.IOException;

import java.util.Enumeration;

import java.util.HashMap;

import java.util.Map;

 

import javax.servlet.ServletException;

import javax.servlet.http.HttpServlet;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

 

public class Reurlt extends HttpServlet {

    private static final long serialVersionUID = 1L;

    public Reurlt() {

        super();

    }




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

        doGet(request, response);        

}

 

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




        String pas="";

        pas=request.getQueryString();

        

         String ip = request.getHeader("x-forwarded-for"); 

         if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) { 

             ip = request.getHeader("Proxy-Client-IP"); 

         } 

         if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) { 

             ip = request.getHeader("WL-Proxy-Client-IP"); 

         } 

         if (ip == null || ip.length() == 0 || "unknown".equalsIgnoreCase(ip)) { 

             ip = request.getRemoteAddr(); 

         } 

        String ipd=ip.substring(0, 6);

        System.out.println(ipd+'|'+ip);

        if(ip.equals("10.63.0.12")){

            response.sendRedirect("http://172.19.44.111:8082/dacx/dmsSjjView.htm?"+pas);

        }

        else{

            response.sendRedirect("http://10.63.1.120:7011/dacx/dmsSjjView.htm?"+pas); 

        }

    }

 }