#眉標=Ajax
#副標=AJAX開發工具(7)
#大標=整合GWT與Struts
#作者=文／沈炳宏


==程式1	<box>===========
<servlet-mapping>
		<servlet-name>action</servlet-name>
		<url-pattern>*.gwt</url-pattern>
</servlet-mapping>	
==<end>==============





==程式2	<box>===========
<action path="/完整模組名稱/模組" 
forward=".my.gwt.application"/>
==<end>==============




==程式3	<box>===========
<definition name=
".my.gwt.application" extends=".mainLayout">
<put name="title" value=
　　"Google Web Toolkit in Tiles" />
<put name="body" value=
"/完整模組名稱/GWTClient.html" />
<put name="header"
　　value="/WEB-INF/jsp/header.jsp" />
</definition>
==<end>==============





==程式4	<box>===========
<web-app>
	<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>
　　</servlet>
	<servlet-mapping>
		<servlet-name>action</servlet-name>
		<url-pattern>*.gwt</url-pattern>
	</servlet-mapping>
	<welcome-file-list>
		<welcome-file>
/WEB-INF/jsp/index.jsp</welcome-file>
	</welcome-file-list>
	<taglib>
	…
	</taglib>
</web-app>
==<end>==============





==程式5	<box>===========
<struts-config>
    <action-mappings>
      <action path="/com.runpc.ajax.Hello/Hello"
forward=" .com.runpc "/>   
    </action-mappings>

<plug-in className=
"org.apache.struts.tiles.TilesPlugin" >
    <set-property property="definitions-config" 
	     value="/WEB-INF/tiles-defs.xml" />
    <set-property property="moduleAware" 
value="true" />
<set-property property="definitions-parser-validate" 
value="true" />
  </plug-in>
</struts-config>
==<end>==============




==程式6	<box>===========
<tiles-definitions>
    <definition name=".com.runpc" 
page="/com.runpc.ajax.Hello/Hello.html">
<put name="title" value="StrutsDemo" />
<put name="body" value="/WEB-INF/jsp/null.jsp" />
<put name="header" value="/WEB-INF/jsp/null.jsp" />
<put name="menu" value="/WEB-INF/jsp/null.jsp" />
<put name="footer" value="/WEB-INF/jsp/null.jsp" />
    </definition>    
</tiles-definitions>
==<end>==============




==程式7	<box>===========
<?xml version="1.0" encoding="big5" ?>
<project name="StrutsDemo" default="compile" 
basedir=".">
  <description>
  StrutsDemo 編譯檔    
  </description>
	<property name="gwt.module"
	value="com.runpc.ajax.Hello"/> 
  <path id="project.class.path">
    <pathelement path="${java.class.path}/"/>
    <pathelement path=
"C:/java/gwt-windows-1.3.3/gwt-user.jar"/>
  </path>

  <target name="compile" 
description="編譯src目錄中的檔案至bin">
    <mkdir dir="bin"/>
<javac srcdir="src" destdir="bin" includes="**" 
debug="on" debuglevel="lines,vars,source" 
source="1.4">
      <classpath refid="project.class.path"/>
    </javac>
  </target>

  <target name="package" depends="compile" 
description="將專案包裝為jar">
<jar destfile="www/WEB-INF/lib/StrutsDemo.jar">
      <fileset dir="bin">
        <include name="**/*.class"/>
      </fileset>
      <fileset dir="src">        
        <include name="**"/>
      </fileset>
    </jar>
  </target>

  <target name="clean">
    <delete file="StrutsDemo.jar"/>
    <delete>
      <fileset dir="bin" includes="**/*.class"/>
    </delete>
  </target>

	<target name="gwt-compile" 
description="編譯為JavaScript">
	    <java classname=
"com.google.gwt.dev.GWTCompiler" fork="yes"
	failonerror="true">
	      <classpath>
	        <pathelement location="src"/>
	        <pathelement location=
"C:/java/gwt-windows-1.3.3/gwt-dev-windows.jar"/>	        
	      <path refid="project.class.path"/>
	      </classpath>
	      <arg value="-out"/>
	      <arg file="www"/>
	      <arg value="${gwt.module}"/>
	    </java>
	  </target> 

  <target name="all" depends="package"/>
</project>
==<end>==============




==程式8	<box>===========
<META HTTP-EQUIV="Refresh" 
CONTENT="0;
URL=com.runpc.ajax.Hello/Hello.gwt">
==<end>==============




　　
==程式9	<box>===========
<web-app>
	<display-name>struts2</display-name>
	<filter>
		<filter-name>struts2</filter-name>
		<filter-class>
org.apache.struts2.dispatcher.FilterDispatcher
		</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>
</web-app>
==<end>==============




==程式10	<box>===========
<struts>
	<constant name=
"struts.enable.DynamicMethodInvocation"
		value="false" />
	<constant name="struts.devMode" value="true" />	
	<package name="demo" extends="gwt-default">
		<action name="Hello" class="demo.Hello">
			<interceptor-ref name="gwt" />
		</action>
	</package>
</struts>
==<end>==============





==程式11	<box>===========
package demo;
import java.util.*;
public class Hello {
	public String execute(String text) {
		GregorianCalendar calendar = 
new GregorianCalendar();
		String result = text + ": " + 
calendar.getTime().toString(); 
		return result;
	}
}
==<end>==============




==程式12	<box>===========
package com.runpc.client;
public interface MyService extends RemoteService {
	public String execute(String s);
}

package com.runpc.client;
public interface MyServiceAsync {	
	public void execute(String s, AsyncCallback callback);
}
==<end>==============




==程式13	<box>===========
m_clickMeButton.addClickListener(
new ClickListener() {

public void onClick(Widget sender) {
MyServiceAsync service = 
(MyServiceAsync) GWT
　　.create(MyService.class);
AsyncCallback callback = new AsyncCallback() {
public void onSuccess(Object result) {
　　label.setText(result.toString());
}

public void onFailure(Throwable caught) {
	label.setText(caught.toString());
}
};

ServiceDefTarget endpoint = (ServiceDefTarget) service;
endpoint.setServiceEntryPoint("Hello.action");
service.execute(textBox.getText(), callback);
	}
});
==<end>==============



　　
　　=========box作者介紹==========
　　沈炳宏 
　　台灣微軟3-1／4-1／5-1／6-1MVP，長庚資管所畢業，致力於各軟體開發技術的研究，現任職為軟體工程師。
　　=============end===============