servlet代码package com.bjsxt.servlet;
package com.bjsxt.servlet;import javax.servlet.ServletException;import javax.servlet.annotation.WebServlet;import javax.servlet.http.Cookie;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import java.io.IOException;/** * @program: JavaEE * @description * @author: wuhao * @create: 2019-11-28 14:15 **/@WebServlet("/login")public class LoginServlet extends HttpServlet { @Override protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException { //设置编码 req.setCharacterEncoding("utf-8"); resp.setContentType("text/html;charset=UTF-8"); //获取请求数据 String uname = req.getParameter("uname"); String pwd = req.getParameter("pwd"); String ck = req.getParameter("ck"); //处理请求(理应掉业务逻辑层) boolean flag = false; if ("张三".equals(uname) && "123".equals(pwd)) { flag = true; } if (flag) { // 判断是否记住密码 if ("yes".equals(ck)) { //记录账号密码 Cookie cookie = new Cookie("uname", uname); Cookie cookie1 = new Cookie("pwd", pwd); //设置时间 cookie.setMaxAge(3600 * 24 * 3); cookie1.setMaxAge(3600 * 24 * 3); //设置路径 cookie.setPath("/day14/login.jsp"); cookie1.setPath("/day14/login.jsp"); //放入响应头中 resp.addCookie(cookie); resp.addCookie(cookie1); } req.getRequestDispatcher("success.jsp").forward(req, resp); } else { // resp.sendRedirect("login.jsp"); req.setAttribute("msg", "账号或密码不正确"); req.getRequestDispatcher("login.jsp").forward(req,resp ); } }}