<%--
Document : addCookie
Created on : 2020-4-12, 8:16:06
Author : Administrator
--%>
<%@page contentType="text/html" pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title> 增加Cookie </title>
</head>
<body>
<%
// 获取请求参数
String name = request.getParameter("name");
// 以获取到的请求参数为值，创建一个Cookie对象
Cookie c = new Cookie("username", name);
// 设置Cookie对象的生存期限
c.setMaxAge(24 * 3600);
// 向客户端增加Cookie对象
response.addCookie(c);
%>
</body>
</html>
<%--
Document : readCookie
Created on : 2020-4-12, 8:23:18
Author : Administrator
--%>
<%@page contentType="text/html" pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title> 读取Cookie </title>
</head>
<body>
<%
// 获取本站在客户端上保留的所有Cookie
Cookie[] cookies = request.getCookies();
// 遍历客户端上的每个Cookie
for (Cookie c : cookies) {
// 如果Cookie的名为username，表明该Cookie是需要访问的Cookie
if (c.getName().equals("username")) {
out.println(c.getValue());
}
}
%>
</body>
</html>
