session测试

学习-记录-分享 / 2024-10-25 / 原文

jsp1

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>session测试</title>
</head>

<body>

<form method="post" name="form">
    <table>
       <tr>
       		<td>
       			用户名：<input type="text" name="user">
       		</td>
       </tr>
    </table>
</form>

<%
	String user=request.getParameter("user");
	session.setAttribute("user",user);
%>
</body>
</html>

jsp2

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8" import="java.lang.Math"%>

<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>admin</title>
</head>
<body>
<form method="post" name="form">
    <table>
       <tr>
       		<td>
       			物品名称：<input type="text" name="user">
       		</td>
       </tr>
    </table>
<%
	String user=request.getParameter("user");
	session.setAttribute("name",user);
%>
</form>
</body>
</html>

jsp3

<%@ page language="java" contentType="text/html; charset=UTF-8"
   pageEncoding="UTF-8" import="java.lang.Math"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>static</title>
</head>
<body>
<form method="post" name="form">
   <table>
      <tr>
      		<td>
      			<input type="submit" name="submit" value="下单">
      		</td>
      </tr>
   </table>

用户名：<%=session.getAttribute("user") %><br>
商品名称：<%=session.getAttribute("name") %>
</body>
</html>

三个页面为独立的页面，彼此不传递数据
1和2都将数据存储到session中
3读取session中的数据

运行截图
1

2