Cookie实现记住密码代码

Posted 2020-11-28 ww103

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 );

        }


    }
}