第二篇sitemesh整合
一、下载包
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1.sitemesh-3.0-alpha-2.zip sitemesh包
二、环境构建
2.1在hanfengCourse的WebRoot/WEB-INF/lib下导入sitemesh-3.0-alpha-2.jar
2.2包图：
2.3在web.xml中新增sitemesh的filter
<filter>
<filter-name>sitemesh</filter-name>
<filter-class>org.sitemesh.config.ConfigurableSiteMeshFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>sitemesh</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>2.4在WebRoot/WEB-INF下新增sitemesh3.xml,内容如下：
<sitemesh>
<mapping path="/*" decorator="/PAGE-INF/decorator/decorator.html"/>
</sitemesh>2.5在WebRoot下新增PAGE-INF/decorator文件夹,并新建decorator.html文件，代码如下：
<html>
<head>
<title>SiteMesh : <sitemesh:write property='title'>Title goes here</sitemesh:write></title>
<style type='text/css'>
body { font-family: arial, sans-serif; background-color: #ffffcc; }
h1, h2, h3, h4 { text-align: center; background-color: #ccffcc; border-top: 1px solid #66ff66; }
.disclaimer { text-align: center; border-top: 1px solid #cccccc; margin-top: 40px; color: #666666; font-size: smaller; }
</style>
<sitemesh:write property='head'/>
</head>
<body>
<h1 class='title'>SiteMesh site: <sitemesh:write property='title'>Title go here</sitemesh:write></h1>
<sitemesh:write property='body'>Body goes here. Blah blah blah.</sitemesh:write>
<div class='disclaimer'>Site disclaimer. This is an sitemesh.</div>
</body>
</html>2.6运行Tomcat服务器，访问http://localhost:8080/hanfengCourse/wellcome.jsp , 界面效果如下：
3.配置sitemesh，整合到struts2，支持-->装饰action返回显示层页面 和Freemarker
3.1导入jar包：struts2-sitemesh-plugin-2.3.16.jar
3.2包图：
3.3在web.xml中新增配置，全部代码如下：
<!-- Struts2集成 -->
<filter>
<filter-name>struts-prepare</filter-name>
<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareFilter</filter-class>
</filter>
<filter>
<filter-name>sitemesh</filter-name>
<filter-class>org.sitemesh.config.ConfigurableSiteMeshFilter</filter-class>
</filter>
<filter>
<filter-name>struts-execute</filter-name>
<filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsExecuteFilter</filter-class>
</filter>
<filter-mapping>
<filter-name>struts-prepare</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<filter-mapping>
<filter-name>sitemesh</filter-name>
<url-pattern>/*</url-pattern>
<dispatcher>REQUEST</dispatcher>
<dispatcher>FORWARD</dispatcher>
<dispatcher>INCLUDE</dispatcher>
</filter-mapping>
<filter-mapping>
<filter-name>struts-execute</filter-name>
<url-pattern>/*</url-pattern>
</filter-mapping>
<servlet>
<servlet-name>sitemesh-freemarker</servlet-name>
<servlet-class>org.apache.struts2.sitemesh.FreemarkerDecoratorServlet</servlet-class>
<init-param>
<param-name>default_encoding</param-name>
<param-value>UTF-8</param-value>
</init-param>
<load-on-startup>1</load-on-startup>
</servlet>
<servlet-mapping>
<servlet-name>sitemesh-freemarker</servlet-name>
<url-pattern>*.ftl</url-pattern>
</servlet-mapping>
<servlet>
<servlet-name>JspSupportServlet</servlet-name>
<servlet-class>org.apache.struts2.views.JspSupportServlet</servlet-class>
<load-on-startup>1</load-on-startup>
</servlet>
<listener>
<listener-class>org.apache.struts2.dispatcher.ng.listener.StrutsListener</listener-class>
</listener>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>3.4运行Tomcat服务器，界面显示如下：
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