Web服务在本地PC的负载均衡（根据IP不同进行分配）

packagecom.ljf.test;

 

importjava.io.IOException;

importjava.util.Enumeration;

importjava.util.HashMap;

importjava.util.Map;

 

importjavax.servlet.ServletException;

importjavax.servlet.http.HttpServlet;

importjavax.servlet.http.HttpServletRequest;

importjavax.servlet.http.HttpServletResponse;

 

publicclass Reurlt extendsHttpServlet {

    privatestatic final long serialVersionUID = 1L;

    publicReurlt() {

        super();

    }




    protectedvoid doGet(HttpServletRequest request, HttpServletResponse response) throwsServletException, IOException {

        doGet(request, response);        

}

 

   protectedvoid doPost(HttpServletRequest request, HttpServletResponse response) throwsServletException, 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); 

        }

    }

 }