Struts-2.3.24.1官方例子-struts2-blank

一、配置文件

1.web.xml

 <?xml version="1.0" encoding="UTF-8"?>
 <web-app id="WebApp_9" 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">

     <display-name>Struts Blank</display-name>

     <filter>
         <filter-name>struts2</filter-name>
         <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
     </filter>

     <filter-mapping>
         <filter-name>struts2</filter-name>
         <url-pattern>/*</url-pattern>
     </filter-mapping>

     <welcome-file-list>
         <welcome-file>index.html</welcome-file>
     </welcome-file-list>

     <!-- Restricts access to pure JSP files - access available only via Struts action -->
     <security-constraint>
         <display-name>No direct JSP access</display-name>
         <web-resource-collection>
             <web-resource-name>No-JSP</web-resource-name>
             <url-pattern>*.jsp</url-pattern>
         </web-resource-collection>
         <auth-constraint>
             <role-name>no-users</role-name>
         </auth-constraint>
     </security-constraint>

     <security-role>
         <description>Don't assign users to this role</description>
         <role-name>no-users</role-name>
     </security-role>

 </web-app>

2.struts.xml

 <?xml version="1.0" encoding="UTF-8" ?>
 <!DOCTYPE struts PUBLIC
     "-//Apache Software Foundation//DTD Struts Configuration 2.3//EN"
     "http://struts.apache.org/dtds/struts-2.3.dtd">

 <struts>

     <constant name="struts.enable.DynamicMethodInvocation" value="false" />
     <constant name="struts.devMode" value="true" />

     <package name="default" namespace="/" extends="struts-default">

         <default-action-ref name="index" />

         <global-results>
             <result name="error">/WEB-INF/jsp/error.jsp</result>
         </global-results>

         <global-exception-mappings>
             <exception-mapping exception="java.lang.Exception" result="error"/>
         </global-exception-mappings>

         <action name="index">
             <result type="redirectAction">
                 <param name="actionName">HelloWorld</param>
                 <param name="namespace">/example</param>
             </result>
         </action>
     </package>

     <include file="example.xml"/>

     <!-- Add packages here -->

 </struts>

3.example.xml

 <?xml version="1.0" encoding="UTF-8" ?>
 <!DOCTYPE struts PUBLIC
         "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
         "http://struts.apache.org/dtds/struts-2.0.dtd">

 <struts>
     <package name="example" namespace="/example" extends="default">

         <action name="HelloWorld" class="example.HelloWorld">
             <result>/WEB-INF/jsp/example/HelloWorld.jsp</result>
         </action>

         <action name="Login_*" method="{1}" class="example.Login">
             <result name="input">/WEB-INF/jsp/example/Login.jsp</result>
             <result type="redirectAction">Menu</result>
         </action>

         <action name="*" class="example.ExampleSupport">
             <result>/WEB-INF/jsp/example/{1}.jsp</result>
         </action>

         <!-- Add actions here -->
     </package>
 </struts>

4.

二、action

1.

 /*
  * $Id$
  *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
  * regarding copyright ownership.  The ASF licenses this file
  * to you under the Apache License, Version 2.0 (the
  * "License"); you may not use this file except in compliance
  * with the License.  You may obtain a copy of the License at
  *
  *  http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  * KIND, either express or implied.  See the License for the
  * specific language governing permissions and limitations
  * under the License.
  */

 package example;

 import com.opensymphony.xwork2.ActionSupport;

 /**
  * Base Action class for the Tutorial package.
  */
 public class ExampleSupport extends ActionSupport {
 }

2.

 /*
  * $Id$
  *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
  * regarding copyright ownership.  The ASF licenses this file
  * to you under the Apache License, Version 2.0 (the
  * "License"); you may not use this file except in compliance
  * with the License.  You may obtain a copy of the License at
  *
  *  http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  * KIND, either express or implied.  See the License for the
  * specific language governing permissions and limitations
  * under the License.
  */

 package example;

 import java.util.Arrays;
 import java.util.List;

 /**
  * <code>Set welcome message.</code>
  */
 public class HelloWorld extends ExampleSupport {

     public String execute() throws Exception {
         setMessage(getText(MESSAGE));
         return SUCCESS;
     }

     /**
      * Provide default valuie for Message property.
      */
     public static final String MESSAGE = "HelloWorld.message";

     /**
      * Field for Message property.
      */
     private String message;

     /**
      * Return Message property.
      *
      * @return Message property
      */
     public String getMessage() {
         return message;
     }

     /**
      * Set Message property.
      *
      * @param message Text to display on HelloWorld page.
      */
     public void setMessage(String message) {
         this.message = message;
     }

     public List<YesNo> getValues() {
 //        return null;
         return Arrays.asList(YesNo.values());
     }
 }

3.

 /*
  * $Id$
  *
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
  * regarding copyright ownership.  The ASF licenses this file
  * to you under the Apache License, Version 2.0 (the
  * "License"); you may not use this file except in compliance
  * with the License.  You may obtain a copy of the License at
  *
  *  http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing,
  * software distributed under the License is distributed on an
  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  * KIND, either express or implied.  See the License for the
  * specific language governing permissions and limitations
  * under the License.
  */

 package example;

 import org.apache.struts2.interceptor.validation.SkipValidation;

 public class Login extends ExampleSupport {

     @Override
     public String execute() throws Exception {
         return SUCCESS;
     }

     @SkipValidation
     public String form() throws Exception {
         return INPUT;
     }

     private String username;

     public String getUsername() {
         return username;
     }

     public void setUsername(String username) {
         this.username = username;
     }

     private String password;

     public String getPassword() {
         return password;
     }

     public void setPassword(String password) {
         this.password = password;
     }

 }

4.

 package example;

 public enum YesNo {
     YES, NO, middle
 }

三、JSP

1.HelloWorld.jsp

 <%@ page contentType="text/html; charset=UTF-8" %>
 <%@ taglib prefix="s" uri="/struts-tags" %>
 <html>
 <head>
     <title><s:text name="HelloWorld.message"/></title>
 </head>

 <body>
 <h2><s:property value="message"/></h2>

 <h3>Languages</h3>
 <ul>
     <li>
         <s:url id="url" action="HelloWorld">
             <s:param name="request_locale">en</s:param>
         </s:url>
         <s:a class="test" href="%{url}">English</s:a>
     </li>
     <li>
         <s:url id="url" action="HelloWorld">
             <s:param name="request_locale">es</s:param>
         </s:url>
         <s:a href="%{url}">Espanol</s:a>
     </li>
 </ul>

 <!-- 在package.properties配置信息 -->
 <s:checkboxlist name="test" list="values" listLabelKey="'test-' + name().toLowerCase()" />

 </body>
 </html>

2.Login.jsp

 <%@ page contentType="text/html; charset=UTF-8" %>
 <%@ taglib prefix="s" uri="/struts-tags" %>
 <html>
 <head>
     <title>Sign On</title>
 </head>

 <body>
 <s:form action="Login">
     <s:textfield key="username"/>
     <s:password key="password" />
     <s:submit/>
 </s:form>
 </body>
 </html>

3.Menu.jsp

 <%@ page contentType="text/html; charset=UTF-8" %>
 <%@ taglib prefix="s" uri="/struts-tags" %>
 <s:include value="Missing.jsp"/>

4.Missing.jsp

 <%@ page contentType="text/html; charset=UTF-8" %>
 <%@ taglib prefix="s" uri="/struts-tags" %>
 <html>
 <head><title>Missing Feature</title></head>

 <body>
 <p>
     <s:text name="Missing.message"/>
 </p>
 </body>
 </html>

5.Register.jsp

<%@ page contentType="text/html; charset=UTF-8" %>
<%@ taglib prefix="s" uri="/struts-tags" %>
<s:include value="Missing.jsp"/>

6.Welcome.jsp

 <%@ page contentType="text/html; charset=UTF-8" %>
 <%@ taglib prefix="s" uri="/struts-tags" %>
 <html>
 <head>
     <title>Welcome</title>
     <link href="<s:url value="/css/examplecss"/>" rel="stylesheet"
           type="text/css"/>
 </head>

 <body>
 <h3>Commands</h3>
 <ul>
     <li><a href="<s:url action="Login_input"/>">Sign On</a></li>
     <li><a href="<s:url action="Register"/>">Register</a></li>
 </ul>

 </body>
 </html>

7.

四、资源文件等

1.package.properies

 HelloWorld.message= Struts is up and running ...
 requiredstring = ${getText(fieldName)} is required.
 password = Password
 username = User Name
 Missing.message =  This feature is under construction. Please try again in the next interation.
 test-yes=Yo
 test-no=Nein
 test-middle=mod

2.Login-validation.xml

 <!DOCTYPE validators PUBLIC
         "-//Apache Struts//XWork Validator 1.0.2//EN"
         "http://struts.apache.org/dtds/xwork-validator-1.0.2.dtd">

 <validators>
     <field name="username">
         <field-validator type="requiredstring">
             <message key="requiredstring"/>
         </field-validator>
     </field>
     <field name="password">
         <field-validator type="requiredstring">
             <message key="requiredstring"/>
         </field-validator>
     </field>
 </validators>

3.velocity.properies

 runtime.log.logsystem.class=org.apache.velocity.runtime.log.NullLogChute