JSP九大隐式对象｜request｜response｜config｜application｜exception｜Session｜page｜out｜pageContext

?

include指令(静态包含（编译时包含），它包含的所有jsp会编译成一个servlet)

<%@include file="/public/head.jsp" %>
    
    aaaaaaaaaaaaaaaa<br/>
    
<%@include file="/public/foot.jsp" %>

?动态包含(这种情况是运行时包含(被包含的jsp会分别编译成单独的servlet))

<% 
    	request.getRequestDispatcher("/public/head.jsp").include(request,response);
%>
<% 
   	response.getWriter().write("aaaaaaaaaaaaa<br/>");
%>
<% 
    	request.getRequestDispatcher("/public/foot.jsp").include(request,response);
%>