jsp·ÖÒ³±êÇ©
Ò»¼ò½é£¬
Pager-taglib£¬Ö§³Ö¶àÖÖ·ç¸ñµÄ·ÖÒ³ÏÔʾ¡£Êµ¼ÊÉÏËýÊÇÒ»¸öJsp±êÇ©¿â£¬ÎªÔÚJSPÉÏÏÔʾ·ÖÒ³ÐÅÏ¢¶øÉè¼ÆµÄÒ»Ì×±êÇ©£¬Í¨¹ýÕâЩ±êÇ©µÄ²»Í¬µÄ×éºÏ£¬»áÐγɶàÖÖ²»Ò»ÑùµÄ·ÖÒ³Ò³Ãæ£¬·ç¸ñ¸÷Ò죬Ëý×Ô´øµÄDEMO¾ÍÓÐÆßÖÖ×óÓҵķÖÒ³·ç¸ñ£¬°üÀ¨GoogleµÄ·ÖÒ³·ç¸ñ¡£¶øÐèÒª¶©ÖÆ×ÔÒѵķç¸ñµÄ·ÖÒ³Ò³ÃæÒ²·Ç³£¼òµ¥¡£
·ÖÒ³·½Ê½ÓÐÁ½ÖÖ£º
Ò»ÖÖÊÇ´ÓActionÖеõ½Ò»¸öList£¬ÔÚÒ³ÃæÉÏͨ¹ý<pg:item>½øÐÐ×Ô¶¯·ÖÒ³¡£
µÚ¶þÖÖÊÇͨ¹ý°Ñ pageSize,pageNoÁ½²ÎÊý´«¸øºǫ́½øÐÐÊý¾Ý¿â·ÖÒ³¡£
ÎÒ×öÁ½¸öDemo¼ÓÒÔ˵Ã÷¶Ô±È£º
¶þ¡¢×¼±¸
°Ñpager-taglib.jar·Åµ½libĿ¼ÏÂ(½ö´Ë×ãÒ࣬Íêȫû±ØÒª¸Äweb.xmlʲôµÄ£¬»¹Óйٷ½war°üÖеĶ«Î÷¶¼¿ÉÒÔ²»Òª)
Java´úÂë
<%@ taglib uri="http://jsptags.com/tags/navigation/pager" prefix="pg" %>
<%@ taglib uri="http://jsptags.com/tags/navigation/pager" prefix="pg" %>
Èý£¬jsp £¨µÚÒ»ÖÖ·ÖÒ³·½°¸ÓÉ<pg:item>×ÔÐзÖÒ³ £©
Java´úÂë
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib uri="/WEB-INF/tld/c.tld" prefix="c"%>
<%@ taglib uri="http://jsptags.com/tags/navigation/pager" prefix="pg" %>
<html>
<head></head>
<body>
<pg:pager
url="/PageAction.do"
index="half-full"
maxPageItems = "3"
maxIndexPages="5"
isOffset = "<%=false%>"
export = "pageOffset,currentPageNumber=pageNumber"
scope = "request">
<table>
<c:forEach items="${userlist}" var="user">
<pg:item>
<tr>
&nb
Ïà¹ØÎĵµ£º
¸Ã±êÇ©ÓÃÓÚÏòÄ¿±êÒ³ÃæÖеIJÎÊý´«Öµ£¬¸Ã±êǩͨ³£Óëjsp:include»òjsp:forward±êǩһÆðʹÓÃ
¸ñʽ£º<jsp:param name=? value=? />
name£ºÄ¿±êÒ³ÃæÖеÄij²ÎÊýÃû
value£ºÏònameÖ¸¶¨µÄ²ÎÊýËù´«µÄÖµ
Ò»¸öÒ³ÃæÖпÉÒÔÊ ......
1.jsp:include±êÇ©ÊÇÔÚÖ´ÐÐʱ²Å¶Ô¼ÓÔØµÄÎļþ½øÐд¦Àí£¬Òò´ËJspÒ³ÃæºÍËüËù¼ÓÔØµÄÎļþÔÚÂß¼ºÍÓï·¨É϶¼ÊǶÀÁ¢µÄ£¬Èç¹û¶Ô¼ÓÔØÎļþ½øÐÐÐ޸ģ¬ÄÇôÔËÐÐʱ¿ÉÒÔ¿´µ½Ëù¼ÓÔØÎļþÐ޸ĺóµÄ½á¹û
2.¶øÓÃincludeÖ¸Áî¼ÓÔØÎļþʱ£¬Êǽ«¼ÓÔØÎļþºÍJspÒ³ÃæºÏ²¢³ÉÒ»¸öеÄJspÒ³Ãæºó£¬·¢Ë͸øJspÒýÇæ½øÐд¦ÀíµÄ£¬Òò´ËÈç¹û¼ÓÔØÎļþ·¢Éú±ä»¯£¬Ôò±Ø ......
request¶ÔÏóÊÇjavax.servlet.HttpServletRequestÀàµÄÒ»¸ö×ÓÀà¶ÔÏ󣬵±¿Í»§¶ËÇëÇóÒ»¸öJspÒ³ÃæÊÇ£¬JspÈÝÆ÷»á½«¿Í»§¶ËµÄÇëÇóÐÅÏ¢°ü×°ÔÚÕâ¸ö¶ÔÏóÖУ»¸Ã¶ÔÏóÖеij£Ó÷½·¨ÈçÏ£º
getParameter(String name)£ºÒÔ×Ö·û´®µÄÐÎʽ·µ»Ø¿Í»§¶Ë´«À´µÄijһ¸öÇëÇó²ÎÊýµÄÖµ£¬²ÎÊýÃûÓÉnameÖ¸¶¨
getParameterNames() ......
I used Eclipse to try the google app engine demo project: guestbook.
when i create a *.jsp file in the WAR directory,the error information appear:
"Your Web Application Project must be configured to use a JDK in order to use JSPs."
solution:
It is because Eclipse put the JRE to the JRE directory ......
http://www.blogjava.net/19851985lili/articles/97664.html
ÄãµÄ´úÂë±¾ÉíÓÐÎÊÌ⣬һ°ãÀ´Ëµ£¬ÎÒÃÇÔÚʹÓÃStrutsʱ£¬Èç¹ûÒªÔÚJSPÒþʽµÄ´«Öµ¸øActionÓÐÁ½ÖÖÇé¿ö£º
1¡¢Òª´«µÄÖµÊÇfromBeanÖеÄÒ»¸ö×ֶΣ¬Äã˵µÄÇé¿öÓ¦¸Ã¾ÍÊÇÕâÖÖÇé¿ö£¬ÀýÈçÐèÒªÔÚEditÒ³ÃæÖб£´ætheID£¬ÔÚActionÖÐÖ´ÐÐUpdate²Ù×÷ʱ¸ù¾ÝIDÀ´¸üÐÂÊý¾Ý¿âµÄÖµ£¬Äã¿ÉÒ ......