这是index.jsp
<%@ page language="java" import="java.util.*" contentType="text/html; charset=utf-8" %>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>cookie管理</title>
</head>
<body>
<%
String welcome="第一次访问";
String[] info=new String[]{"","",""};
Cookie[] cook=request.getCookies();
if(cook!=null){
for(int i=0;i<cook.length;i++){
if(cook[i].getName().equals("mrCookInfo")){
info=cook[i].getValue().split("#");
welcome="欢迎回来！";
}
}
}
%>
<%=info[0]+welcome %>
<form action="show.jsp" method="post">
<ul style="line=height:23px">
<li>姓 名：<input name="name" type="text" value="<%=info[0]%>"></li>
<li>出生日期：<input name="birthday" type="text" value="<%=info[1] %>"></li>
<li>邮箱地址：<input name="mail" type="text" value="<%=info[2]%>"></li>
<li><input type="submit" value="提交">
</body>
</html>这是show.jsp<%@ page language="java" import="java.util.*" contentType="text/html; charset=utf-8" %><%String path = request.getContextPath();String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";%><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html> <head> <title>My JSP 'show.jsp' starting page</title> </head> <body> <% String name=request.getParameter("name"); String birthday=request.getParameter("birthday"); String mail=request.getParameter("mail"); Cookie myCook=new Cookie("mrCookInfo",name+"#"+birthday+"#"+"mail"); myCook.setMaxAge(60*60*24*365);//设置cookie有效期 response.addCookie(myCook); %> 表单提交成功 <ul style="line-heigth24px"> <li>姓名：<%=name %> <li>出生日期<%=birthday %> <li>电子邮箱<%=mail %> <li><a href="index.jsp">返回</a> </ul> </body></html>问题出在关于cookie管理知识点，show.jsp的代码运行错误提示是第22行exception org.apache.jasper.JasperException: An exception occurred processing JSP page /show.jsp at line 22
19: String mail=request.getParameter("mail");
20: Cookie myCook=new Cookie("mrCookInfo",name+"#"+birthday+"#"+"mail");
21: myCook.setMaxAge(60*60*24*365);//璁剧疆cookie鏈夋晥鏈�
22: response.addCookie(myCook);
23: %>
24: 琛ㄥ崟鎻愪氦鎴愬姛
25: <ul style="line-heigth24px">
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