<% pageContext.setAttribute("name", "雷鍬", pageContext.PAGE_SCOPE);
    	pageContext.setAttribute("time", new Date(), pageContext.PAGE_SCOPE);
     %>
     <%= (String)pageContext.getAttribute("name") %>
     <%= (Date)pageContext.getAttribute("time") %>

<%request.setAttribute("name", "sfafafa");
    	request.setAttribute("sex", "nan"); %>
	<a href= "index.jsp">連結</a>
 

<% session.setAttribute("name", "leiqiao");
  		session.setAttribute("sex", "nan"); 
  	 %>
  	 <a href = "index.jsp">forward</a>

<% 
		application.setAttribute("name", "leiqoao");
    	application.setAttribute("sex", "nan");
    %>
    <jsp:forward page="index.jsp"></jsp:forward>