銆銆絎簩姝ワ紝鍦?澶栫綉鍗?涓婇厤緗甀P鍦板潃鍜屽瓙緗戞帺鐮侊紙鐢盜SP鎻愪緵錛夛紝濡侷P鏄?0.32.101.11,瀛愮綉鎺╃爜鏄?55.255.255.0(琛ㄧず灞鍩熺綉瑙勬ā灝忎簬256鍙?;鍏跺畠閮芥寜ISP鐨勮姹傝緗傛敞鎰忥細涓嬮潰鐨勬搷浣滄槸鍏抽敭錛?br />
銆銆1銆佸湪Windows 2000鎿嶄綔緋葷粺涓紝鍙屽嚮"澶栫綉鍗?榪炴帴灞炴э紝閫?鍏變韓"鏍囩錛岄変腑"鍚敤姝よ繛鎺ョ殑Internet榪炴帴鍏變韓"欏廣?br /> 銆銆2銆佸湪錛穒ndows 98鎿嶄綔緋葷粺涓紝鐐硅緗紝鎺у埗闈㈡澘錛屽弻鍑籌nternet閫夐」錛岀偣"榪炴帴"鏍囩錛屽崟鍑?灞鍩熺綉璁劇疆"涓嬬殑"鍏變韓"閫夐」錛岄変腑"鍚敤姝よ繛鎺ョ殑Internet榪炴帴鍏變韓"欏廣?
銆銆絎笁姝ワ紝"鍐呯綉鍗?IP鍦板潃璁句負錛?92.168.0.1銆?br />
銆銆絎洓姝ワ紝灞鍩熺綉涓叾瀹冨鎴鋒満緗戝崱闈欐佽緗負192.168.0.2鍒?92.168.0.253涔嬮棿鐨勪換浣旾P鍦板潃錛岀綉鍏熾丏NS鍧囪涓?92.168.0.1錛堝嵆鏈嶅姟鍣?鍐呯綉鍗?鐨処P鍦板潃錛夛紝鐓ф璁劇疆錛屽嵆鍙叡浜竴鏉＄嚎璺繛涓奍nternet錛屽緢綆鍗曞惂銆?br />
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1. 紜畾Web Container鏀寔Serverlet2.4錛?澶嶅埗鏀寔jstl 1.1鐗堟湰鐨刯stl.jar,standard.jar(鍙煡闃卪eta-inf)鍒皐eb-inf/lib銆?/p>
2. 鍦╓eb.xml錛孯oot鑺傜偣鏀逛負
<web-app version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee
http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd ">
3.鍦╦sp涓紝瀵筩ore,ftm taglib鐨勫紩鍏ユ敼涓?nbsp;
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"% >
<%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt"% >
2.鐩存帴鍦╤tml閲岄潰浣跨敤EL錛岃屼笉鏄?lt;c:out value="">
鍏呭垎浣跨敤JSP2.0鐨凟L錛岀洿鎺ュ湪html涓啓${book} 鑰屼笉鏄?lt;c:out value="${book}">灝嗚幏寰楃畝媧佹棤姣旓紝鍙瘮緹巚elocity,freemarker鐨勭晫闈€?/p>
3.鏂板鐨凢unction鏍囩
Function鏍囩閲屾渶鏈夌敤鐨勪竴欏規槸鍙栧緱List,Map鐨剆ize浜嗐傚彟澶栨湁涓浜汼tringUtils鍜孋ollection鐨勫嚱鏁般?/p>
JSTL閲岄潰涓嶇粰璋冪敤瀵硅薄闄etXXX()澶栫殑浠諱綍鏂規硶鐪熸槸浠跺緢璁╄浜洪儊闂風殑浜嬫儏錛侊紒
<%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions"%>
${fn:length(myList)}
4.鍏朵粬鐨凟L鐭ヨ瘑鐐?/h2>
4.1 EL鐨勮繍綆楃
闄や簡鏈鍩烘湰鐨勭畻鏈繍綆楃錛岄昏緫榪愮畻絎︼紝姣旇緝榪愮畻絎﹀錛岃繕鏈変竴涓猠mpty榪愮畻絎︼紝鐢ㄦ潵鍒ゆ柇鍙橀噺鏄惁涓簄ull 鎴杔ist, map鐨剆ize 鏄惁涓洪浂銆?/p>
<c:if test="${not empty myList}">
EL鐨勮繍綆楃閮芥湁鏂囧瓧鍜岀鍙蜂袱縐嶇増鏈紝濡倈| 鍜?or錛?>= 鍜?ge錛岄傜敤浜庝笉鑳戒嬌鐢ㄦ枃瀛楁垨絎﹀彿鐨勬椂鍊欍?
4.2 []涓? 涓ょ璁塊棶灞炴ф垨鍏冪礌鐨勬柟寮?
${book.name}涓?{book["name"]}絳変環銆?/p>
${book["name"]}涓昏鐢ㄤ簬"name"涓蹭負鍙橀噺錛屾垨鑰呭瓧絎︿覆涓惈鏈?."瀛楃鐨勬儏鍐?/p>
濡?${myMap[order.status]} 鏄闂甅ap鍏冪礌鐨勪竴縐嶅緢閲嶈鐨勬柟寮忋?/p>
4.3 list涓巑ap
orderList[0] 榪斿洖絎竴涓厓绱?/p>
鐢╧ey鍜寁alue閬嶅巻map
<c:forEach var="entry" items="${myMap}">
<option value="${entry.key}">${entry.value}</option>
</c:forEach>
4.4.璁塊棶闈欐佸彉閲?/h3>
EL鏈韓涓嶆敮鎸侀潤鎬佸彉閲忚闂紝鍙橀氱殑鏂規硶鏄啓涓涓猼ag,灝嗘煇涓被鐨勯潤鎬佸彉閲忓弽灝勫埌涓涓猰ap涓紝 濡?a >http://www.javaranch.com/journal/200601/Journal200601.jsp#a3
涓嶈繃浣跨敤Map灝嗗け鍘婚潤鎬佸彉閲忕紪璇戞湡瀹夊叏鐨勬剰涔夛紝鍥犳榪樻槸寤鴻鍦ㄨ繖縐嶆儏鍐典笅錛屼嬌鐢ㄦ櫘閫欽SP錛岃showOrder.jsp
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import java.io.FileInputStream;
import java.util.Properties;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.support.DefaultListableBeanFactory;
import org.springframework.beans.factory.support.PropertiesBeanDefinitionReader;
public class HelloWorldWithDI {
public static void main(String[] args) throws Exception {
//get BeanFactory
BeanFactory factory=getBeanFactory();
MessageRenderer mr=(MessageRenderer)factory.getBean("renderer");
mr.render();
}
private static BeanFactory getBeanFactory() throws Exception {
// get the bean factory
DefaultListableBeanFactory factory = new DefaultListableBeanFactory();
// create a definition reader
PropertiesBeanDefinitionReader rdr = new PropertiesBeanDefinitionReader(
factory);
// load the configuration options
Properties props = new Properties();
props.load(new FileInputStream("./ch2/src/conf/beans.properties"));
rdr.registerBeanDefinitions(props);
return factory;
}
}
beans.properties:
renderer.class=com.apress.prospring.ch2.StandardOutMessageRenderer
renderer.messageProvider(ref)=provider
provider.class=com.apress.prospring.ch2.HelloWorldMessageProvider
DefaultListableBeanFactory璐熻矗浠巔roperties鏂囦歡璇誨彇BeanFactory鐨勯厤緗俊鎭紝鐒跺悗榪斿洖宸查厤緗殑瀹炰緥銆?br>榪欎釜閰嶇疆鏂囦歡宸茬粡瀹氫箟浜咲I鍏崇郴錛屾墍浠ュ湪main鏂規硶涓棤闇璁劇疆MessageRenderer 鍜孧essageProvider鐨勪緷璧栧叧緋匯?br>
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3錛歨ttp://hbcui1984.javaeye.com/blog/post/230199
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榪欓噷鏄師鏂囧湴鍧
]]>
class A
{
聽聽聽private B b;
}
class B
{
聽聽聽private A a;
}
(浜?渚濊禆(Dependency)
A浠ユ潵B錛氱被A璁塊棶B鐨勫睘鎬ф垨鏂規硶錛屾垨鑰呯被A璐熻矗瀹炰緥鍖栫被B錛屼絾鏄被B涓嶆槸綾籄鐨勫睘鎬с?br />
(涓?鑱氶泦(Aggregation)
鎸囩殑鏄暣浣撲笌閮ㄥ垎鐨勫叧緋伙細濡備漢鍜屾墜鐨勫叧緋伙紝閮ㄥ垎綾諱笉鑳借劚紱繪暣浣撶被鍗曠嫭瀛樺湪銆?img src ="http://www.aygfsteel.com/LittleRain/aggbug/104315.html" width = "1" height = "1" />
]]>
----錛氬湪浣犵殑pojo涓畾涔変簡鏁版嵁搴撶殑key word錛屼緥濡傦細group絳夌瓑.
2)net.sf.hibernate.QueryException: could not resolve property type: username [select user.password from cn.org.sppc.ipmanager.User user where user.username=?]
----錛歶sername鍦‵orm綾諱腑銆佸湪Hibernate鐨剎ml鏂囦歡涓拰鐩稿搴旂殑PO瀵硅薄涓悕縐伴兘瑕佷繚鎸佷竴鑷達紙鍖呮嫭澶у皬鍐欙級銆傚寘鎷瑂truts-config.xml涓殑銆?/p>
]]>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>test.html</title>
<SCRIPT src="1.js"></SCRIPT>
<SCRIPT language="javaScript">
function go()
{
document.getElementById("button").style.background="url(2.jpg)";
//document.getElementById("button").style.
}
</SCRIPT>
</head>
<body>
<input onclick="go()" id="button" type="button" style="width:350;height:300;background:url(1.jpg);">
<input type="button" value="test" onclick="go()"/>
</body>
</html>
2.娉ㄦ剰鐢╦s鎻愪氦琛ㄥ崟鐨勬椂鍊欙紝鎻愪緵琛ㄥ崟鎻愪氦鍔熻兘鐨刡utton鐨勫悕瀛椾笉鑳藉畾涔夋垚submit錛屼笉鐒朵細瀵艱嚧formName鏃犳硶鎻愪氦錛?
]]>