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1. StrutsµÄÆðÔ´
    StrutsÊÇ×÷ΪApache JakartaÏîÄ¿µÄ×é³É²¿·Ö¡£¸ÃÏîÄ¿µÄÄ¿±êÊÇΪ½¨Á¢Java web Ó¦ÓóÌÐò¶øÌṩµÄÒ»¸ö¿ªÔ´¿ò¼Ü£¬Ä¿Ç°´ó¼ÒÒ»°ãʹÓõİ汾Ϊ1.1£¬µ«Ò²³öÏÖÁË1.2¡£Í¨¹ýʹÓÃstruts ¿ò¼Ü¿ÉÒԸĽøºÍÌá¸ßJava Server Pages (JSPs)¡¢Servlet¡¢±êÇ©¿âÒÔ¼°ÃæÏò¶ÔÏóµÄ¼¼ÊõÔÚwebÓ¦ÓóÌÐòÖеÄÓ¦Óá£Ó¦ÓÃStruts¿ò¼Ü¿ÉÒÔ¼õÉÙÄãÓ¦ÓÃMVC(Model- View -Controller)Éè¼ÆÄ£Ê½µÄ¿ª·¢Ê±¼ä£¬´Ó¶øÌá¸ß¿ª·¢Ð§ÂÊ¡£°ÑStrutsÓ¦ÓÃÓÚJ2ee¿Í»§¶Ë£¬Ó¦¸ÃÊÇÒ»¸ö²»´íµÄÑ¡Ôñ¡£
2. StrutsµÄ¹¤×÷Ô­Àí
    Ì¸µ½Struts,ÎÒÃǾͲ»µÃ²»Ìáµ½MVCÉè¼ÆÄ£Ê½¡£MVC¼´Model-View-ControllerµÄËõд£¬ËüÊÇwebÓ¦Óõ±Öеij£ÓõÄÉè¼ÆÄ£Ê½¡£MVC ¼õÈõÁËÒµÎñÂß¼­½Ó¿ÚºÍÊý¾Ý½Ó¿ÚÖ®¼äµÄñîºÏ£¬ÒÔ¼°ÈÃÊÓͼ²ã¸ü¸»Óڱ仯¡£
StrutsÊÇMVCµÄÒ»ÖÖʵÏÖ£¬ËüºÜºÃµÄ½áºÏÁËJsp,Java Servlet,Java Bean ,TaglibµÈ¼¼Êõ¡£ÄÇôÎÒÃÇÀ´¿´¿´Struts¿ò¼ÜµÄ¹¤×÷Ô­Àí£º
¿ØÖÆ£ºÔÚStrutsÖУ¬ActionServletÆð×ÅÒ»¸ö¿ØÖÆÆ÷£¨Controller£©µÄ×÷Óá£ActionServletÊÇÒ»¸öͨÓõĿØÖÆ×é¼þ¡£Õâ¸ö¿ØÖÆ×é¼þÌṩÁË´¦ÀíËùÓз¢Ë͵½StrutsµÄHTTPÇëÇóµÄÈë¿Úµã¡£Ëü½ØÈ¡ºÍ·Ö·¢ÕâЩÇëÇóµ½ÏàÓ¦µÄ¶¯×÷ÀࣨÕâЩ¶¯×÷Àà¶¼ÊÇActionÀàµÄ×ÓÀࣩ¡£ÁíÍâ¿ØÖÆ×é¼þÒ²¸ºÔðÓÃÏàÓ¦µÄÇëÇó²ÎÊýÌî³ä Action Form£¨Í¨³£³ÆÖ®ÎªFromBean£©,²¢´«¸ø¶¯×÷Àࣨͨ³£³ÆÖ®ÎªActionBean£©¡£¶¯×÷ÀàʵÏÖºËÐÄÉÌÒµÂß¼­£¬Ëü¿ÉÒÔ·ÃÎÊjava bean »òµ÷ÓÃEJB¡£ËùÓÐÕâЩ¿ØÖÆÂß¼­ÀûÓÃStruts-config.xmlÎļþÀ´ÅäÖá£
ÊÓͼ£ºÖ÷ÒªÊÇÓÉJspÀ´¿ØÖÆÒ³ÃæÊä³öµÄ¡£Ëü½ÓÊÕµ½Action FormÖеÄÊý¾Ý£¬ÀûÓÃhtml£¬taglib£¬bean£¬logicµÈÏÔʾÊý¾Ý¡£
Ä£ÐÍ£ºÔÚStrutsÖУ¬Ö÷Òª´æÔÚÈýÖÖbean,·Ö±ðÊÇ£ºAction,ActionForm,EJB»òÕßJava Bean¡£ActionFormÓÃÀ´·â×°¿Í»§ÇëÇóÐÅÏ¢£¬ActionÈ¡µÃActionFormÖеÄÊý¾Ý£¬ÔÙÓÉEJB»òÕßJava Bean½øÐд¦Àí¡£
3 Struts ÓŵãÓëȱµã
Óŵ㣺1.ÀûÓÃStrutsÌṩµÄtaglib¿ÉÒÔ´ó´ó½ÚÔ¼¿ª·¢Ê±¼ä¡£2. ±íÏÖÓëÂß¼­·ÖÀë¡£ 3.ά»¤À©Õ¹±È½Ï·½±ã¡£ 4 ±ãÓÚÍŶӿª·¢
ȱµã£º´óÁ¿µÄʹÓñêÇ©£¬¶ÔÓÚ³õѧÕßÄѶȽϴó¡£
4. Struts 1.1 °²×°
    °²×°Struts 1.1 ±È½Ï¼òµ¥¡£¼ÙÉèÎÒÃÇʹÓõÄÊÇTomcat 5.0,²¢ÇÒ°²×°ÔÚD: omcatÏ¡£Ê×ÏÈ£¬Çëµ½http://jakarta.apache.org/struts/ ÏÂÔØStruts 1.1,½âѹËõºó£¬¿ÉÒÔ¿´µ½jakarta-struts-1.1Ŀ¼£¬ÔÚÕâ¸öĿ¼ÏÂÃæ£¬Äã¿ÉÒÔ¿´µ½ÕâÑùÒ»¸öĿ¼£ºwebapps.¸ÃĿ¼ÏÂÃæÓжà¸ö*.war£¬ÎÒÃÇcopy struts-blank.war Îļþµ½D: omcatwebappsÏ£¬restart Tomcat£¬ÔÚTomcat µÄwebappsϾͻáÉú³ÉÒ»¸östruts-blank¿Õ°×Struts¿ª·¢»·¾³¡£ÁíÍ⣬ÔÚÄã½âѹËõµÄĿ¼ÏµÄwebappsÖÐ struts-example.war ÊÇÒ»¸öºÜºÃµÄstrutsѧϰ½Ì³Ì£¬Èç¹ûÄãÏëÉîÈëѧϰÇë·ÃÎÊhttp://jakarta.apache.org/struts »òÕß ÏÂÔØ ¡¶Struts in Action¡· E Îİ档
5. Ò»¸ö¼òµ¥µÄÀý×Ó
5.1 Logon.jsp
<%@ taglib uri="/WEB-INF/struts-html.tld" prefix="html" %>
<%@ page contentType="text/html; charset=gb2312" %>
<%
/**
* This page shows Logon interface.
* Title: LOGON SYSTEM
* Description: Logon Page
* Copyright: Copyright (c) 2004
* Company: www.ewe.com.cn
* @author bluesunny <hyjun2001@163.com>
* @version 1.0
*/
response.setHeader("Pragma","No-cache");
response.setHeader("Cache-Control","no-cache");
response.setDateHeader("Expires", 0);
%>
<html>
<head>
<title>Logon</title>
</head>
<body>
<html:errors/>
<html:form action="/Logon" focus="username">
username:<html:text property="username" size="25"/>
password:<html:password property="password" size="25"/>
<html:submit property=”submit”/>
</html:form>
</body>
</html>
Ò³ÃæÎªÓû§µÇÂ½Ò³Ãæ£¬Ó¦Óõ½StrutsµÄhtml±êÇ©¡£
5.2 LogonForm.java
package com.logon.app;
import javax.servlet.http.*;
import org.apache.struts.action.*;
/**
* This page shows LogonForm.java
* Title: LOGON SYSTEM
* Description: LogonForm Page
* Copyright: Copyright (c) 2004
* Company: www.ewe.com.cn
* @author bluesunny
* @version 1.0
*/
public class LogonForm extends ActionForm{
private String username;
private String password;
public LoginForm() {
username = null;
password = null;
}
public void setUsername(String username){
this.username = username;
}
public String getUsername() {
return this.username;
}
public void setPassword(String password){
this.password = password;
}
public String getPassword(){
return this.password;
}
public void reset(ActionMapping mapping, HttpServletRequest request)
{
username = null;
password = null;
}
}
Õâ¸öÒ³ÃæÎªActionForm bean £¬Ö÷ÒªÊÇÓÃÀ´·â×°¿Í»§¶ËµÄÓû§ÃûÓëÃÜÂë¡£
5.3 LogonAction.java
package com.logon.app;
import java.io.*;
import java.sql.*;
import org.apache.struts.action.Action;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;
import org.apache.struts.action.ActionForm;
import javax.servlet.*;
import javax.servlet.http.*;
import org.apache.struts.action.*;
/**
* This page shows LogonAction.java
* Title: LOGON SYSTEM
* Description: LogonAction Page
* Copyright: Copyright (c) 2004
* Company: www.ewe.com.cn
* @author bluesunny
* @version 1.0
*/
public class LogonAction extends Action{
public ActionForward execute(ActionMapping actionMapping, ActionForm actionForm, HttpServletRequest request, HttpServletResponse response)throws Exception{
LogonForm form = (LogonForm)actionForm;
ActionErrors errors = new ActionErrors();
String username = form.getUsername();
String password = form.getPassword();
If(username.equals(“bluesunny”) && password.equals(“bluesunny”)){
return actionMapping.findForward("success");
}else{
errors.add("login",new ActionError("Logon.failed"));
saveErrors(request,errors);
return actionMapping.findForward("failed");
}
}
}
È¡µÃActionFormÖеÄÊý¾Ý£¬½øÐд¦Àí£¬´¦Àí½á¹û·µ»Øµ½JspÒ³Ãæ¡£
5.4 web.xml
<?xml version="1.0" encoding="ISO-8859-1"?>
<!DOCTYPE web-app
PUBLIC "-//Sun Microsystems, Inc.//DTD Web Application 2.3//EN"
"http://java.sun.com/j2ee/dtds/web-app_2_3.dtd">
<web-app>
<display-name>Struts Logon Application</display-name>
<!-- Standard Action Servlet Configuration (with debugging) -->
<servlet>
<servlet-name>action</servlet-name>
<servlet-class>org.apache.struts.action.ActionServlet</servlet-class>
<init-param>
<param-name>config</param-name>
<param-value>/WEB-INF/struts-config.xml</param-value>
</init-param>
<init-param>
<param-name>debug</param-name>
<param-value>2</param-value>
</init-param>
<init-param>
<param-name>detail</param-name>
<param-value>2</param-value>
</init-param>
<load-on-startup>2</load-on-startup>
</servlet>
<!-- Standard Action Servlet Mapping -->
<servlet-mapping>
<servlet-name>action</servlet-name>
<url-pattern>*.do</url-pattern>
</servlet-mapping>
<!-- The Welcome File List -->
<welcome-file-list>
<welcome-file>logon.jsp</welcome-file>
</welcome-file-list>
<!-- Struts Tag Library Descriptors -->
<taglib>
<taglib-uri>/tags/struts-bean</taglib-uri>
<taglib-location>/WEB-INF/struts-bean.tld</taglib-location>
</taglib>
<taglib>
<taglib-uri>/tags/struts-html</taglib-uri>
<taglib-location>/WEB-INF/struts-html.tld</taglib-location>
</taglib>
<taglib>
<taglib-uri>/tags/struts-logic</taglib-uri>
<taglib-location>/WEB-INF/struts-logic.tld</taglib-location>
</taglib>
<taglib>
<taglib-uri>/tags/struts-nested</taglib-uri>
<taglib-location>/WEB-INF/struts-nested.tld</taglib-location>
</taglib>
<taglib>
<taglib-uri>/tags/struts-tiles</taglib-uri>
<taglib-location>/WEB-INF/struts-tiles.tld</taglib-location>
</taglib>
</web-app>
5.5 struts-config.xml
<?xml version="1.0" encoding="ISO-8859-1" ?>
<!DOCTYPE struts-config PUBLIC
"-//Apache Software Foundation//DTD Struts Configuration 1.1//EN"
"http://jakarta.apache.org/struts/dtds/struts-config_1_1.dtd">
<struts-config>
<form-beans>
<form-bean name="logonForm" type=" com.logon.app.LoginForm"/>
</form-beans>
<action-mappings>
<action
path="/Logon" type="com.logon.app.LogonAction" name="logonForm" scope="request" input="Logon.jsp">
<forward name="success" path="/success.jsp"/>
<forward name="failure" path="/Logon.jsp"/>
</action>
<message-resources parameter="resources.application"/>
</struts-config>
5.6 application.properties
Logon.failed = Logon failed!Please Logon in again!
5.7 deploy Logon Application
´´½¨Ò»¸ösuccess.jsp£¬ÊäÈë:"successflly!".
     ±àÒëÔ´Îļþ£¬²¢ÇҰѸÃÓ¦ÓóÌÐò²¿ÊðÔÚTOMCATÀ¼ÙÉ貿ÊðÔÚappĿ¼ÏÂÃæ¡£ÎÒÃÇ¿ÉÒÔÆô¶¯ä¯ÀÀÆ÷·ÃÎÊ£ºhttp://localhost:8080/app/.
5.8 Ŀ¼½á¹¹
/WEB-INF :
/ WEB-INF/lib : Struts.jar
/ WEB-INF/classes :
/ WEB-INF/classes/com/logon/app : *.class
/ WEB-INF/classes/resources : *.properties
6. ×ܽá
    ±¾ÎÄÏêϸ½²½âÁËStrutsµÄ¹¤×÷Ô­ÀíÒÔ¼°°²×°·½·¨£¬²¢ÇÒ¾ÙÁËÒ»¸öµÇ½Àý×Ó×÷ΪStruts¿ò¼ÜÓ¦Óá£ÁíÍ⣬±¾ÎĶÔStrutsµÄĿ¼½á¹¹Ò²ÓÐ˵Ã÷£¬Õâ´ó´ó¼õÇáÁ˳õѧÕßѧϰ¸ºµ££¬¿ÉÒÔ×÷ΪStrutsÈëÃÅÖ®Óá£
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