JSPµÄ¾Å¸öÒþº¬¶ÔÏó
Ò»¡¢page ¶ÔÏó
page¶ÔÏó´ú±íJSP±¾Éí£¬¸ü׼ȷµØËµËü´ú±íJSP±»×ªÒëºóµÄServlet£¬Ëü¿ÉÒÔµ÷ÓÃServletÀàËù¶¨ÒåµÄ·½·¨¡£
¶þ¡¢config ¶ÔÏó
config ¶ÔÏóÀï´æ·Å×ÅһЩServlet ³õʼµÄÊý¾Ý½á¹¹¡£
config ¶ÔÏóʵÏÖÓÚjavax.servlet.ServletConfig ½Ó¿Ú£¬Ëü¹²ÓÐÏÂÁÐËÄÖÖ·½·¨£º
public String getInitParameter(name)
public java.util.Enumeration getInitParameterNames( )
public ServletContext getServletContext( )
public Sring getServletName( )
Èý¡¢request ¶ÔÏó
request ¶ÔÏó°üº¬ËùÓÐÇëÇóµÄÐÅÏ¢£¬È磺ÇëÇóµÄÀ´Ô´¡¢±êÍ·¡¢cookiesºÍÇëÇóÏà¹ØµÄ²ÎÊýÖµµÈµÈ¡£
request ¶ÔÏóʵÏÖjavax.servlet.http.HttpServletRequest½Ó¿ÚµÄ£¬ËùÌṩµÄ·½·¨¿ÉÒÔ½«Ëü·ÖΪËÄ´óÀࣺ
1.´¢´æºÍÈ¡µÃÊôÐÔ·½·¨£»
void setAttribute(String name, Object value) É趨nameÊôÐÔµÄֵΪvalue
Enumeration getAttributeNamesInScope(int scope) È¡µÃËùÓÐscope ·¶Î§µÄÊôÐÔ
Object getAttribute(String name) È¡µÃname ÊôÐÔµÄÖµ
void removeAttribute(String name) ÒÆ³ýname ÊôÐÔµÄÖµ
2.È¡µÃÇëÇó²ÎÊýµÄ·½·¨
String getParameter(String name) &
Ïà¹ØÎĵµ£º
<%@taglib prefix="s" uri="/WEB-INF/tld/struts-tags.tld" %>
<%@taglib prefix="c" uri="/WEB-INF/tld/c.tld"%>
<%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions"%>
<%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt"%>
<%@taglib prefix="dec ......
Ò»¡¢page ¶ÔÏó
¡¡¡¡page¶ÔÏó´ú±íJSP±¾Éí£¬¸ü׼ȷµØËµËü´ú±íJSP±»×ªÒëºóµÄServlet£¬Ëü¿ÉÒÔµ÷ÓÃServletÀàËù¶¨ÒåµÄ·½·¨¡£
¡¡¡¡¶þ¡¢config ¶ÔÏó
¡¡¡¡config ¶ÔÏóÀï´æ·Å×ÅһЩServlet ³õʼµÄÊý¾Ý½á¹¹¡£
¡¡¡¡config ¶ÔÏóʵÏÖÓÚjavax.servlet.ServletConfig ½Ó¿Ú£¬Ëü¹²ÓÐÏÂÁÐËÄÖÖ·½·¨£º
......
1¡¢ ×î»ù±¾µÄÂÒÂëÎÊÌâ¡£
Õâ¸öÂÒÂëÎÊÌâÊÇ×î¼òµ¥µÄÂÒÂëÎÊÌâ¡£Ò»°ãлá³öÏÖ¡£¾ÍÊÇÒ³Ãæ±àÂë²»Ò»Öµ¼ÖµÄÂÒÂë¡£
<%@ page language="java" pageEncoding="UTF-8"%>
<%@ page contentType="text/html;charset=iso8859-1"%>
<html>
<head>
<title>ÖÐÎÄÎÊÌâ</title>
<meta http-equi ......
ÔÚʹÓÃÊý¾Ý¿âµÄ¹ý³ÌÖУ¬²»¿É±ÜÃâµÄÐèҪʹÓõ½·ÖÒ³µÄ¹¦ÄÜ£¬¿ÉÊÇJDBCµÄ¹æ·¶¶Ô´ËȴûÓкܺõĽâ¾ö¡£¶ÔÓÚÕâ¸öÐèÇóºÜ¶àÅóÓѶ¼ÓÐ×Ô¼ºµÄ½â¾ö·½°¸£¬±ÈÈçʹÓÃVectorµÈ¼¯ºÏÀàÏȱ£´æÈ¡³öµÄÊý¾ÝÔÙ·ÖÒ³¡£µ«ÕâÖÖ·½·¨µÄ¿ÉÓÃÐԺܲÓëJDBC±¾ÉíµÄ½Ó¿ÚÍêÈ«²»Í¬£¬¶Ô²»Í¬ÀàÐ͵Ä×ֶεÄÖ§³ÖÒ²²»ºÃ¡£ÕâÀïÌṩÁËÒ»Ö ......