通过超链接打开的是同一会话
定义一个page1
<%@ page language="java" import="java.util.*,java.text.*" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>session</title> </head> <body> <h1>session对象</h1> <% SimpleDateFormat ndf=new SimpleDateFormat("yyyy年MM月dd日 HH:mm:ss"); Date d=new Date(session.getCreationTime()); session.setAttribute("username","admin"); session.setAttribute("password","123456"); session.setAttribute("age","geyao"); //设置session的最大期限为十秒 //session.setMaxInactiveInterval(10); %> <hr> Session创建时间: <%=ndf.format(d) %><br> Session的ID编号:<%=session.getId() %><br> 从Session中获取用户名:<%=session.getAttribute("username") %><br> <a href="session_page2.jsp" target="_blank">跳转到page2</a> </body> </html> <%@ page language="java" import="java.util.*,java.text.*" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>session</title> </head> <body> <h1>session对象</h1> <hr> Session的ID编号:<%=session.getId() %><br> 从Session中获取用户名:<%=session.getAttribute("username") %><br> Session中保存的属性:<% String[] name=session.getValueNames(); for(int i=0;i<name.length;i++){ out.println(name[i]+" "); } %> </body> </html>
