实现自动登陆(java) 实现自动登陆(java)

package com.xfaccp; import java.io.IOException; import javax.servlet.ServletException; import javax.servlet.http.Cookie; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; public class MyServlet extends HttpServlet { /** * */ private static final long serialVersionUID = 1L; /** * The doPost method of the servlet. <br> * * This method is called when a form has its tag value method equals to post. * * @param request the request send by the client to the server * @param response the response send by the server to the client * @throws ServletException if an error occurred * @throws IOException if an error occurred */ public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { CheckLogin c =new CheckLogin(); if(c.isLogin(request)) { //将用户的名字放入session中 HttpSession session =request.getSession(); String name=request.getParameter("txtName"); session.setAttribute("userName",name); //取得登陆框中复选框，保存用户的姓名到cookie中 if(request.getParameter("checkbox")!=null) { //生成一个cookie Cookie coo=new LongTimeCookie("loginName",name); response.addCookie(coo); } response.sendRedirect("loginAccess.jsp"); } else response.sendRedirect("loginFail.jsp"); } }