如果我在控制器内设置
model.addAttribute("page-title", "Home");
而且我想像这样将其放置在tiletou.jsp上:
<title><tiles:getAsString name="page-title"/></title>
我该怎么办?
写一个准备者?
对于preparer de put-attribute的定义无关紧要,因此看起来似乎没有任何意义。
只需添加
[执行此操作时,我只会得到“ $ {page-title}-我的网站”作为输出。 EL未评估。
所以,请问最佳实践是什么,如何使它起作用?
tiles-defs.xml:
<tiles-definitions>
<definition name="baseLayout" template="/WEB-INF/pages/common/layout.jsp">
<put-attribute name="website-title" value="My Website"/>
<put-attribute name="page-title" expression="Default Title"/>
<put-attribute name="header" value="/WEB-INF/pages/common/header.jsp"/>
<put-attribute name="body" value=""/>
<put-attribute name="footer" value="/WEB-INF/pages/common/footer.jsp"/>
</definition>
<definition name="*" extends="baseLayout">
<put-attribute name="page-title" value="${page-title}"/>
<put-attribute name="body" value="/WEB-INF/pages/{1}.jsp"/>
</definition>
</tiles-definitions>
layout.jsp:
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
<%@ taglib uri="http://www.springframework.org/tags" prefix="spring"%>
<%@ taglib uri="http://tiles.apache.org/tags-tiles" prefix="tiles" %>
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/>
<meta name="language" content="English" />
<title><tiles:getAsString name="page-title"/> - <tiles:getAsString name="website-title"/></title>
<link rel="stylesheet" type="text/css" href="<c:url value="/resources/css/style.css" />" media="all"/>
</head>
<body>
<div id="container">
<!-- header -->
<tiles:insertAttribute name="header"/>
<!-- main central container -->
<tiles:insertAttribute name="body"/>
<!-- footer -->
<tiles:insertAttribute name="footer"/>
</div>
</body>
</html>
homeController.java:
@Controller
public class HomeController {
@RequestMapping(value = "/", method = RequestMethod.GET)
public ModelAndView home(Locale locale, Model model) {
ModelAndView mav = new ModelAndView();
mav.setViewName("home");
model.addAttribute("page-title", "Home");
return mav;
}
}
servlet-context.xml:
<beans:bean id="tilesviewResolver" class="org.springframework.web.servlet.view.tiles2.TilesViewResolver" p:order="0"/>
<beans:bean id="tilesConfigurer" class="org.springframework.web.servlet.view.tiles2.TilesConfigurer">
<beans:property name="definitions" value="/WEB-INF/tiles/tiles-defs.xml"/>
</beans:bean>
pom.xml:
<!-- Tiles -->
<dependency>
<groupId>org.apache.tiles</groupId>
<artifactId>tiles-jsp</artifactId>
<version>2.2.2</version>
<type>jar</type>
<scope>compile</scope>
</dependency>
<dependency>
<groupId>org.apache.tiles</groupId>
<artifactId>tiles-el</artifactId>
<version>2.2.2</version>
</dependency>
<put-attribute name="page-title" expression="${page-title}"/>
如果我们使用Tiles 3.x,则应: