jquery가 servlet에 접근해서 페이지로 데이터를 되돌려주는 방법

   package com.panlong.servlet;  
   
  
import java.io.IOException;  
 import java.io.PrintWriter;  
 import java.net.URLDecoder; 
 
  
import javax.servlet.ServletException;  
 import javax.servlet.http.HttpServlet;  
 import javax.servlet.http.HttpServletRequest;  
 import javax.servlet.http.HttpServletResponse; 
 
  
public class AjaxServlet extends HttpServlet {  
     private static final long serialVersionUID = 1L;  
     protected void doGet(HttpServletRequest req, HttpServletResponse resp)  
             throws ServletException, IOException {  
         Integer total = (Integer) req.getSession().getAttribute("total");  
         int temp = 0;  
         if(total == null ){  
             temp = 1;  
         }else{  
             temp = total.intValue() + 1;  
         }  
     req.getSession().setAttribute("total",temp);  
         try {  
             //1.     
             resp.setContentType("text/html;charset=GBK");  
             PrintWriter out = resp.getWriter();  
             String old = req.getParameter("name");  
             //2.           
             //String name = new String(old.getBytes("iso8859-1"),"UTF-8");  
             String name = URLDecoder.decode(old,"UTF-8");  
             if("".equals(old) || old == null){  
                 out.println("       ");  
             }else{  
                 if("liling".equals(name)){  
                     out.println("      ");  
                     return;  
                 }else{  
                     out.println("       ，     ["+name+"]     "+temp);  
                 }  
             }  
         } catch (Exception e) {  
             // TODO Auto-generated catch block  
             e.printStackTrace();  
         }  
         //3.      
     }  
     protected void doPost(HttpServletRequest req, HttpServletResponse resp)  
             throws ServletException, IOException {  
         doGet(req, resp);  
     }  
 }
 
 

   function verify(){  
  
     //           1,           encodeURI，     new String(old.getBytes("iso8859-1"),"UTF-8");  
  
     //           2,           encodeURI,     String name = URLDecoder.decode(old,"UTF-8");  
  
     var url = "servlet/AjaxServlet?name="+encodeURI(encodeURI($("#userName").val()));  
  
     url = convertURL(url);  
  
     $.get(url,null,function(data){  
  
         $("#result").html(data);  
  
     });  
  
 }  
  
 // url      �c，     ，       
  
 function convertURL(url){  
  
     //       
  
     var timstamp = (new Date()).valueOf();  
  
     //         url   
  
     if(url.indexOf("?") >=0){  
  
         url = url + "&t=" + timstamp;  
  
     }else{  
  
         url = url + "?t=" + timstamp;  
  
     }  
  
     return url;  
  
 } 
 

     
  
   
  
     
  
       
  
       
  
       
  
       
  
       
  
       
  
       
  
     
  
     
  
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