<%-- 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>
