Struts2整合SiteMesh

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SiteMesh
Struts

SiteMesh Struts2

1.导入Struts2的jar 和 sitemesh.jar 和 Struts2-sitemesh-plugin.jar
commons-fileupload-1.2.2.jar
commons-io-2.0.1.jar
commons-lang3-3.1.jar
commons-logging-1.1.1.jar
freemarker-2.3.19.jar
javassist-3.11.0.GA.jar
ognl-3.0.5.jar
sitemesh-2.4.2.jar
struts2-core-2.3.4.jar
struts2-sitemesh-plugin-2.3.4.1.jar
xwork-core-2.3.4.jar

2.在web.xml中配置 Struts sitemesh拦截器注意有一定的顺序


<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5" 
	xmlns="http://java.sun.com/xml/ns/javaee" 
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
	xsi:schemaLocation="http://java.sun.com/xml/ns/javaee 
	http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">

<!--用来消除sitemesh 拦截器 Struts2拦截器的冲突 使之兼容-->	
<filter>
	<filter-name>struts-cleanup</filter-name>
	<filter-class>org.apache.struts2.dispatcher.ActionContextCleanUp</filter-class>
</filter>

<filter>
	<filter-name>sitemesh</filter-name>
	<filter-class>com.opensymphony.module.sitemesh.filter.PageFilter</filter-class>
</filter>
	
<filter>
	<filter-name>struts2</filter-name>
	<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter</filter-class>
</filter>

<filter-mapping>
	<filter-name>struts-cleanup</filter-name>
	<url-pattern>/*</url-pattern>
</filter-mapping>

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

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


  <welcome-file-list>
    <welcome-file>index.jsp</welcome-file>
  </welcome-file-list>
  
</web-app>

3.在webroot下的descorators目录下建立 myDecorator.jsp 装饰器页面

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib prefix="decorator" uri="http://www.opensymphony.com/sitemesh/decorator" %>
<%@ taglib prefix="page" uri="http://www.opensymphony.com/sitemesh/page" %>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">
    
    <title><decorator:title default="装饰器页面"/></title>
    
   	<decorator:head/>

  </head>
  
  <body>
  	<div>top</div>
  	<hr>
    <div>
	   	<decorator:body/>
    </div>
    <hr>
    <div>bottom</div>
  </body>
</html>

4.在web-inf 下建立装饰器描述文件 decorators.xml

<?xml version="1.0" encoding="UTF-8"?>
<decoratos defaultdir="/decorators">
	<decorator name="myDecorator" page="myDecorator.jsp">
		<pattern>/songs/*</pattern>
	</decorator>
</decoratos>

5.建立实体类 Song.java

private String songName;
	private String singer;
	private String songTime;
//get set

6.action

package com.sh.action;

import java.util.ArrayList;
import java.util.List;

import com.opensymphony.xwork2.ActionSupport;
import com.sh.entity.Song;

public class AllSongs extends ActionSupport {
	private List<Song> allSongs=new ArrayList<Song>();

	public List<Song> getAllSongs() {
		return allSongs;
	}

	public void setAllSongs(List<Song> allSongs) {
		this.allSongs = allSongs;
	}

	@Override
	public String execute() throws Exception {
		// TODO Auto-generated method stub
		Song song1=new Song();
		song1.setSongName("浪子心声");
		song1.setSinger("刘德华");
		song1.setSongTime("3:41");
		
		Song song2=new Song();
		song2.setSongName("中国话");
		song2.setSinger("SHE");
		song2.setSongTime("4:18");
		

		Song song3=new Song();
		song3.setSongName("丁香花");
		song3.setSinger("唐磊");
		song3.setSongTime("4:05");
		
		allSongs.add(song1);
		allSongs.add(song2);
		allSongs.add(song3);
		
		return SUCCESS;
	}	
}

7.配置 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.i18n.encoding" value="utf-8"/>
   <package name="default" extends="struts-default" namespace="/songs">
   		<action name="allSongs" class="com.sh.action.AllSongs">
   			<result>/allSongs.jsp</result>
   		</action>
   </package>
</struts>

8.allSongs.jsp

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%@ taglib uri="/struts-tags" prefix="s" %>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">
    
    <title>Struts2AndStieMesh</title>


  </head>
  
  <body>
    	<center>
    		<br/>
    		<div>
    			<ul style="list-style: none">
    				<li style="float: left; width: 100px;">歌名</li>
    				<li style="float: left; width: 100px;">歌手</li>
    				<li style="float: left; width: 100px;">时长</li>
    				<div style="clear: both;"></div>
    			</ul>
    			<s:iterator value="allSongs">
    				<ul style="list-style:none">
    					<li style="float: left; width: 100px;"><s:property value="songName"/></li>
    					<li style="float: left; width: 100px;"><s:property value="singer"/></li>
    					<li style="float: left; width: 100px;"><s:property value="songTime"/></li>
    					<div style="clear: both;"></div>
    				</ul>
    			</s:iterator>
    		</div>
    		<br/>
    	</center>
  </body>
</html>

9.访问localhost:8080/Struts2AndSiteMesh/songs/allSongs.action 可以看到页面中加入
top 和bottom
如果将 decorations.xml中的pattern 改成 <pattern>/singer/*</pattern>
那上面的访问的页面就没有经过装饰器页面修饰

Struts2AndSiteMesh.zip (3.5 MB)
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Struts2中使用JfreeChart | SiteMesh简单应用

2012-11-05 10:33
浏览 7580
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分类:Web前端
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1 楼 java-lxm 2015-05-28

<filter>
<filter-name>struts-cleanup</filter-name>
<filter-class>org.apache.struts2.dispatcher.ActionContextCleanUp</filter-class>
</filter>
这不是已经过时了吗

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