new421.jsp
<%--
Created by IntelliJ IDEA.
User: user1
Date: 2022/7/18
Time: 21:30
To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>Title</title>
</head>
<body>
<%
String s = session.getId();
%>
<p>当前session对象的标识ID是：</p>
<%= s%>
<p>输入你的姓名连接到new422_Example3_9Jack.jsp</p>
<form action="new422_Example3_9Jack.jsp" method="post" name="form1">
<input type="text" name="username"><br>
<input type="submit" value="提交" name="submit">
</form>
</body>
</html>
