JSP 四个域对象 


<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>Title</title>
</head>
<body>

    <%
        //page
        pageContext.setAttribute("name1","pageC");
        //request
        request.setAttribute("name2","req");
        //session
        session.setAttribute("name3","sess");
        //application
        application.setAttribute("name4","app");
    %>
<%--        服务端跳转--%>
<%--        <jsp:forward page="jsp3_1.jsp"></jsp:forward>--%>
<%--        客户端跳转--%>
        <a href="jsp3_1.jsp">click me</a>


</body>
</html>


<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
    <title>jsp3_1</title>
</head>
<body>
    <%
        out.println("page "+pageContext.getAttribute("name1"));
        out.println("req "+request.getAttribute("name2"));
        out.println("sess "+session.getAttribute("name3"));
        out.println("app "+application.getAttribute("name4"));


    %>
</body>
</html>
posted @ 2022-04-21 17:31  lwx_R  阅读(11)  评论(0)  编辑  收藏  举报