JAVA程序代码：
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; import java.io.IOException; @WebServlet("/sessionDemo") public class SessionDemo extends HttpServlet { protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { //使用session共享数据 //1.获取session HttpSession session = request.getSession(); //2.存储数据 session.setAttribute("msg","木心小白菜！"); } protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { this.doPost(request, response); } }
JS程序代码：
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>标题</title>
</head>
<body>
<h1><%=request.getSession().getAttribute("msg")%>,欢迎您</h1>
</body>
</html>