1.留言簿页面:liuYan.jsp

1 <%@ page language="java" contentType="text/html; charset=UTF-8" 2     pageEncoding="UTF-8" %> 3      4 <%@ page import= "java.net.URLDecoder" %> 5  6 <%@ page import="java.util.*" %> 7  8  9 10 
     11 12 13 14 
留言薄
15 <%16 Cookie[] co = request.getCookies();17 18 String nc = "";19 String ly = "";20 21 //ArrayList
     
       ar = new ArrayList<>();22 23 if(co != null)24 {25     for(int i = 0; i < co.length; i++)26     {27         if(co[i].getName().equals("myco"))28         {29             //String mes = "";30             31             nc = URLDecoder.decode(co[i].getValue().split("#")[0]);32 33             ly = URLDecoder.decode(co[i].getValue().split("#")[1]);34             35             //ar.add(mes);36             37             out.print("
      
昵称:" + nc +"
      
 留言:" + ly + "
      
");38         }39     }40     41     /*42     for(int i = 0; i < ar.size(); i ++)43     {44         out.print("
      
昵称:" + ar.get(i).split("#") +"
      
 留言:" + ar.get(i).split("#")[1] + "
      
");    45     }46     */47 }48 else49 {50     out.print("暂时没有留言");51 }52 %>53 
      
54 
      
       55 请输入昵称:
       
       
56 57 请输入您的留言:
       
58 
       59 
       
60 
       61 62 
      
63 64 
     

2,留言处理页面, xianShi.jsp

1 <%@ page language="java" contentType="text/html; charset=UTF-8" 2     pageEncoding="UTF-8" errorPage="error1.jsp"%> 3      4 <%@ page import="java.net.URLEncoder" %> 5  6  7  8  9 
     10 11 12 13 <%14 //request.setCharacterEncoding("GB18030");15 16 //String nc = URLEncoder.encode(request.getParameter("nc"),"UTF-8");17 String nc = URLEncoder.encode(new String(request.getParameter("nc").getBytes("ISO-8859-1"),"UTF-8"));18 String ly = URLEncoder.encode(new String(request.getParameter("ly").getBytes("ISO-8859-1"),"UTF-8"));19 20 Cookie co = new Cookie("myco",nc + "#" + ly);21 22 co.setMaxAge(60*60*24*30);23 24 response.addCookie(co);25 26 //out.print();27 28 response.sendRedirect("liuYan.jsp");29 %>30  31 32 33