JSP三大指令、七大动作、九大对象

<%---------------------- JSP三大指令 -----------------------------%>
<%-- 1. page: language import(导入系统包) contentType session buffer autoFlush isThreadSafe --%>
<%@ page import="java.*" session="false" %>
<%-- 2. include --%>
<%@ include file="test.txt" %>
<%-- 3. taglib --%>

<%---------------------- JSP七大动作 Include param forward 其他：useBean getProperty setProperty plugin-----------------------------%>
<jsp:include page="test.txt"></jsp:include>
<jsp:forward page="test2.jsp">
<jsp:param value="111" name="attr1"/>
</jsp:forward>