锘??xml version="1.0" encoding="utf-8" standalone="yes"?>国产99久久精品一区二区,无码伊人66久久大杳蕉网站谷歌,91精品国产色综久久http://m.shnenglu.com/Error/category/21008.htmlzh-cnTue, 04 Nov 2014 13:25:05 GMTTue, 04 Nov 2014 13:25:05 GMT60JSP閫熸垚 0-6http://m.shnenglu.com/Error/archive/2014/11/04/208772.htmlEnicEnicTue, 04 Nov 2014 08:25:00 GMThttp://m.shnenglu.com/Error/archive/2014/11/04/208772.htmlhttp://m.shnenglu.com/Error/comments/208772.htmlhttp://m.shnenglu.com/Error/archive/2014/11/04/208772.html#Feedback0http://m.shnenglu.com/Error/comments/commentRss/208772.htmlhttp://m.shnenglu.com/Error/services/trackbacks/208772.htmlJsp濡備綍杞崲涓篠ervlet
jsp鐨勫簳灞傛妧鏈槸servlet錛屼粬浠殑鐢熷懡鍛ㄦ湡鏄浉鍚岀殑銆傛湇鍔″櫒璐熻矗瀹炰緥鍖杍sp/servlet錛屾縺媧籭nit()鏂規(guī)硶錛屽噯澶囧鐞嗗鎴風(fēng)璇鋒眰銆傚彲浠ラ氳繃緙栧啓service()鏂規(guī)硶澶勭悊鑷繁鐨勪簨鐗╅昏緫錛屾垨鑰呰嚜宸辯紪鍐檇oGet()銆乨oPost()鏂規(guī)硶銆傛湇鍔″櫒嬋媧籨estroy()鏂規(guī)硶鏃訛紝jsp/servlet琚攢姣侊紝鍚姩gc浣跨敤finalize()鏂規(guī)硶娓呯悊鍐呭瓨銆?/div>
jsp浼?xì)琚浆鎹㈠埌閫傚綋鐨剆ervlet浠g爜錛屽嵆涓涓?java鏂囦歡銆傝澶氬簲鐢ㄦ湇鍔″櫒淇濆瓨鐢熸垚鐨?java鏂囦歡錛屼竴鏃︿粬杞崲鍒?java鏂囦歡琚紪璇戜負(fù)瀛楄妭鐮?class銆?class鏂囦歡琚敮鎸佽緭鍑烘垚html鏂囨。榪斿洖緇欏鎴風(fēng)銆?/div>
HttpServlet鍩烘湰緇撴瀯
緙栧啓涓涓狧ttpServlet鏃訛紝閫氬父闇瑕佽璇ョ殑鏂規(guī)硶錛?/div>
Void init(ServletConfig sc) throws ServletException;
Void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException;
Void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException;
Void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException;
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2.N灞傛ā鍨嬶細(xì)娣誨姞浜?jiǎn)绫讳技JavaBean鐨勬湇鍔$璧勬簮銆?/div>
3.鏉炬暎鑰﹀悎妯″瀷錛氬厑璁鎬綅浜庤繙紼嬬郴緇熺殑jsp鍋氬絳変氦浜掞紝鎴栬呮嫢鏈変竴縐岰/S鍏崇郴銆?/div>
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5.杞彂璇鋒眰妯″瀷錛氶噸瀹氬悜錛岄氳繃forward琛屼負(fù)瀹炵幇銆?/div>
鐞嗚ВJsp鐨勫竷灞
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jsp鏍囩鍙互鏈変綔鐢ㄥ煙 <jsp: useBean name="myClass" class="SimpleClass" scope="page" />
娉ㄩ噴錛?/div>
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2.jsp: <%-- --%>
3.java: // or /**/
jsp瑙e墫錛?/div>
html浠g爜----璐熻矗欏甸潰鏁翠釜甯冨眬鍜屽瑙?/div>
jsp鏍囩----璐熻矗scriptlet銆佽〃杈懼紡銆佸0鏄庛佽涓哄拰鎸囦護(hù)
jsp闅愬紡瀵硅薄----渚嬪錛歳equest瀵硅薄銆乺esponse瀵硅薄銆乻ession瀵硅薄銆乧onfig瀵硅薄
JavaBean----瀹炵幇浜嬬墿閫昏緫
鐞嗚Вjsp鏍囩鍏冪礌
jsp鏈変袱縐嶅艦寮忥細(xì)<%%>銆?lt;jsp:tagid/>
1.jsp澹版槑鏍囩鐢ㄦ硶錛?瀹氫箟鍙橀噺)
<%!
declaration_statement(s)
%>
<jsp:declaration>
</jsp:declaration>
2.jsp琛ㄨ揪寮忔爣絳劇敤娉曪細(xì)(寮曠敤鍙橀噺)
<%=expression%>
<jsp: expression> expression </jsp: expression>
3.jsp scriptlet鏍囩鐢ㄦ硶錛?緙栧啓java浠g爜,宸笉澶氬氨鏄敤鏍囩鎶妀ava浠g爜鍖呰搗鏉ワ紝鏍囩浼?xì)鎴柇鏍嚱{?
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boolean isPasswordAnyGood(String password)
{
return false;
}
%>
<%
if(isPasswordAnyGood("123"))
{
%>
<H1>Welcome<H1/>
<%
}
else
{
%>
<H1>Press Login</H1>
<%
}
%>
4.jsp鎸囦護(hù)鏍囩錛氾紙棰勫鐞嗗懡浠や箣綾伙級(jí)
<%@ page import="com.macmilan.jspln24.*" %>
5.jsp琛屼負(fù)鏍囩錛堝厑璁竕sp浣跨敤java鍒涘緩瀵硅薄錛屽寘鍚玧sp錛岃漿鍙慾sp錛宩ava浜や簰錛?/div>
鍏錛歶seBean setProperty getProperty include forward plugin
Jsp鍐呯疆瀵硅薄鐢ㄦ硶錛?/div>
鍐呯疆瀵硅薄鎻愪緵鏉ヨ嚜嫻忚鍣ㄧ殑璇鋒眰騫朵笖鍔ㄦ佸搷搴旂殑鍔熻兘錛?/div>
request out response pageContext session application config page
JavaBean瑙勮寖錛堣繖鏄釜澶ц棰橈紝鎹鏈変袱縐嶇敤娉曪紝涓縐嶅彲浠ョ洿鎺ユ棤瑙嗭紝鎶妀avabean褰撲笉鍚宩ava綾誨湪jsp涓鍏ユ潵鐢ㄣ備竴縐嶆槸閬靛驚javabean瑙勮寖浣跨敤鏍囩鏉ヨ闂級(jí)
7


Enic 2014-11-04 16:25 鍙戣〃璇勮
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