我喜欢瓷砖tempate系统,因为它简单直接,与瓷砖2.2.2你可以有通配符支持将你的struts2约定直接进入模板系统,现在有OGNL也!
步骤与OGNL支持添加瓷砖瓷砖2.2.2(目前使用Struts 2.3.1.2)内:
1)添加Struts2的瓷砖,插件
2)添加瓷砖2.2.2罐子包括增加ognl支持的罐子。假设行家:ALL组ID:org.apache.tiles所有版本都2.2.2,以下是神器IDS:
- 瓷砖-API
- 瓷砖核心
- tiles-演员
- 砖,JSP
- 砖,OGNL
- 砖,servlet的
此外,还需要添加以下:
通过使用org.apache.tiles.extras.complete.CompleteAutoloadTilesListener你得到野生ç ARDS,EL,OGNL,在你tiles.xml MVEL支持
实施例的web.xml:
<?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">
<listener>
<listener-class>org.apache.tiles.extras.complete.CompleteAutoloadTilesListener</listener-class>
</listener>
<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>
</web-app>
struts.xml中用于演示:演示使用OGNL从支柱以显示硬编码的问候消息。存在三个动作映射“”,“test”和“package/*”,斜线后面的值将被tile用来设置一个新标题。一个非常简单的例子,但确实显示了一些有用的功能。
<struts>
<constant name="struts.devMode" value="true" />
<constant name="struts.ui.theme" value="simple" />
<constant name="struts.enable.SlashesInActionNames" value="true" />
<constant name="struts.mapper.alwaysSelectFullNamespace" value="false"/>
<package name="basicstruts2" namespace="" extends="tiles-default">
<result-types>
<result-type name="tiles" default="true" class="org.apache.struts2.views.tiles.TilesResult"/>
</result-types>
<action name="/**" class="com.kenmcwilliams.tiles.action.Test">
<result>{1}</result>
</action>
</package>
</struts>
tiles.xml
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE tiles-definitions PUBLIC
"-//Apache Software Foundation//DTD Tiles Configuration 2.1//EN"
"http://tiles.apache.org/dtds/tiles-config_2_1.dtd">
<tiles-definitions>
<definition name="baseLayout" template="/WEB-INF/content/tiles/template.jsp">
<put-attribute name="title" value="Default Title"/>
<put-attribute name="header" value="/WEB-INF/content/tiles/header.jsp"/>
<put-attribute name="body" value="/WEB-INF/content/tiles/body.jsp"/>
<put-attribute name="footer" value="/WEB-INF/content/tiles/footer.jsp"/>
<put-attribute name="variable" expression="OGNL:greeting"/>
</definition>
<definition name="test" extends="baseLayout">
<put-attribute name="title" value="Test Title"/>
</definition>
<definition name="WILDCARD:package/*" extends="baseLayout">
<put-attribute name="title" value="{1}" type="string"/>
</definition>
<definition name="" extends="baseLayout">
</definition>
</tiles-definitions>
/WEB-INF/content/tiles/body.jsp
<div>
This is the default body.
</div>
/WEB-INF /内容/瓦/ footer.jsp
<div>
This is the default footer.
</div>
/WEB-INF/content/tiles/header.jsp
<div>
This is the default header.
</div>
/WEB-INF/content/tiles/template.jsp
<%@taglib prefix="tiles" uri="http://tiles.apache.org/tags-tiles" %>
<%@taglib prefix="s" uri="/struts-tags"%>
<%@page contentType="text/html" pageEncoding="UTF-8" %>
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title><tiles:insertAttribute name="title"/></title>
</head>
<body>
<tiles:insertAttribute name="header"/>
<tiles:insertAttribute name="body"/>
<tiles:insertAttribute name="footer"/>
<tiles:insertAttribute name="variable"/>
</body>
</html>
Test.java Action
package com.kenmcwilliams.tiles.action;
import com.opensymphony.xwork2.ActionSupport;
import java.util.Map;
import java.util.logging.Logger;
import org.apache.struts2.interceptor.SessionAware;
public class Test extends ActionSupport implements SessionAware{
private static final Logger log = Logger.getLogger(Test.class.getName());
@Override
public String execute(){
log.info("Test execute");
return SUCCESS;
}
private String greeting = "Hello, World from Action!";
public String getGreeting(){
return greeting;
}
@Override
public void setSession(Map<String, Object> session) {
session.put("greeting", "Greetings from session!");
}
}
现在应该足以让瓷砖适用于您的应用程序。
我不确定你想要做什么 - 你的意思是你想让Tiles中的OGNL def使用S2值堆栈吗? – 2012-04-08 14:44:16
是的,它确实如此。我只是不知道自己在做什么,文档可能会更清晰一些。 – Quaternion 2012-04-08 22:33:54