您的位置：首页 > 理论基础 > 计算机网络

会话 httpSession

2015-06-01 00:00 465 查看

package session_demo;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

@WebServlet(urlPatterns="/session.do")
public class session01 extends HttpServlet {

/**
*
*/
private static final long serialVersionUID = -1183874912372297181L;

@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
// TODO Auto-generated method stub
doPost(req, resp);
}

@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {

HttpSession session=req.getSession();
resp.setCharacterEncoding("UTF-8");
resp.setContentType("text/html;charset=utf-8");
PrintWriter out=resp.getWriter();
if(session.isNew()){
out.println("新建的会话,ID是:"+session.getId()+"<br/>");
out.println("新建的会话,创建时间是:"+session.getCreationTime()+"<br/>");
}else{
out.println("会话已经存在,ID是:"+session.getId()+"<br/>");
out.println("会话已经存在,创建时间是:"+session.getCreationTime()+"<br/>");
}
out.println("最后一次访问会话的时间是:"+session.getLastAccessedTime()+"<br/>");
out.println("会话的有效时间是:"+session.getMaxInactiveInterval()+"<br/>");
session.setAttribute("name", "刘进");

//session.invalidate();
session.setMaxInactiveInterval(3);
}

}

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">

<title>My JSP 'index.jsp' starting page</title>

</head>

<body>
<%=session.getAttribute("name") %>
</body>
</html>

内容来自用户分享和网络整理，不保证内容的准确性，如有侵权内容，可联系管理员处理

标签：

相关文章推荐

新的分享

章节导航