FreeMarker 真实案例应用
定义模板这个模板很简单，就是定义了一个显示文章的指今，然在的显示最新文章和热门文章的时候调用即可
模板文件源代码：
<#macro showNewArticles articles> <#list articles as article> <li> ${article_index+1}. <a target="_blank" href="/article/${article.id }">${article.title }</a> </li> </#list></#macro><%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%><link rel="stylesheet" type="text/css" href="/resources/css/foot.css" /><div id="footer_area"> <div id="footer_area_content"> <div class="box"> <h3>最近发布</h3> <div class="box_content"> <ol> <@showNewArticles articles=newDESCArticles /> </ol> </div> </div> <div class="box"> <h3>热门文章</h3> <div class="box_content"> <ol> <@showNewArticles articles=viewCountDescArticles /> </ol> </div> </div> <!-- 省略了一部分 --> </div></div>
Freemarker的服务类
freemarker服务类会调用articleService
完整源代码：
package com.naxsu.service;import java.util.HashMap;import java.util.List;import java.util.Map;import javax.annotation.Resource;import org.springframework.stereotype.Service;import com.naxsu.entity.Article;import com.naxsu.utils.FreemarkerUtil;@Service("freemarkerService")public class FreeMarkerService { @Resource(name="articleService") private ArticleService articleservice; public void getFootPage() { Map<String,Object> root = new HashMap<String,Object>(); List<Article> newDESCArticles = articleservice.getNewDESCArticle(); List<Article> viewCountDescArticles = articleservice.getViewCountDESCArticle(); root.put("newDESCArticles", newDESCArticles); root.put("viewCountDescArticles", viewCountDescArticles); String path =this.getClass().getProtectionDomain() .getCodeSource().getLocation().getPath(); path = path.substring(0,path.indexOf("/WEB-INF")); FreemarkerUtil.getInstance().fprint("foot.ftl", root, path+"/WEB-INF/jsp/template/foot.jsp"); } }
用spring aop实现切面拦截文章的增删改的服务
在增删改文章的时候都会调用freemarkerService，从而生成相应的jsp。FreeMarker与SpringMVC整合在这里不做多说，请看相关的文章。
源代码如下：
<aop:config> <aop:aspect ref="freemarkerService"> <aop:pointcut id="createFootTemplate" expression="execution(* com.naxsu.service.ArticleService.insert*(..))|| execution(* com.naxsu.service.ArticleService.update*(..))|| execution(* com.naxsu.service.ArticleService.delete*(..))"/> <aop:after method="getFootPage" arg-names="id" pointcut-ref="createFootTemplate"/> </aop:aspect></aop:config>
jsp的嵌入
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@ include file="../template/foot.jsp"%>
页:
[1]