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JSPÓï·¨
Ö¸Áî(Directive)±ê¼Ç
      page Ö¸Áî
      include Ö¸Áî
      taglib Ö¸Áî
<%@ page language="java" %>
<%@ include file="test.html"%>
<%@ taglib uri="http://www.deng.com/tags" prefix="util" %>
<%@ page contentType = "text/html" %>
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<%@ page contentType = "text/html;charset=UTF-8" %>
<%@ page pageEncoding="UTF-8" %>
<%@ page import="java.io.*, java.util.Hashtable"  %>
<%@ page session="true" %>  //ĬÈÏΪtrue
<%@ page isErrorPage="true" %>   //רÃÅÏÔʾ´íÎóÐÅÏ¢µÄÒ³Ãæ
<%@ page errorPage="/error.jsp"  %>    //Èç¹ûÔÚµ±Ç°µÄÒ³ÃæÖгöÏÖÎ¥ÀýÁË, »áÌøתµ½error.jspÒ³ÃæÀ´´¦Àí´íÎóÐÅÏ¢
ÉùÃ÷(Declaration) ±ê¼Ç, Ï൱ÓÚ¶¨Òå³ÉÔ±±äÁ¿µÄ±ê¼Ç
<%!
     private int getDateCount = 0 ;
%>
JSPÄÚÖöÔÏó
1.out:  javax.servlet.jsp.JspWriter
2.request:   javax.servlet.ServletRequest
3.response: javax.servlet.ServletResponse
4.session:   javax.servlet.http.HttpSession
5.application:  javax.servlet.ServletContext
6.config:   javax.servlet.ServletConfig
7.page:   java.lang.Object
8.pageContext:   javax.servlet.jsp.PageContext
9.exception:   java.lang.Throwable