创建项目
2.导入struts2的相关jar文件
3.在web.xml中配置如下：
<?xml version="1.0" encoding="UTF-8"?> <web-app id="WebApp_ID" version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"> <display-name>MyFreemark</display-name> <filter> <filter-name>struts</filter-name> <filter-class>org.apache.struts2.dispatcher.FilterDispatcher</filter-class> </filter> <filter-mapping> <filter-name>struts</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <welcome-file-list> <welcome-file>index.jsp</welcome-file> </welcome-file-list> </web-app>
4.创建struts.xml文件，且内容如下：
<?xml version="1.0" encoding="GBK"?> <!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN""http://struts.apache.org/dtds/struts-2.0.dtd"> <struts> <!--- Add packages here --> <constant name="struts.devMode" value="true" /> <constant name="struts.i18n.encoding" value="GBK" /> <package name="default" namespace="/" extends="struts-default"> <action name="list" class="com.zsw.action.ListAction"> <result type="redirect">/${msg}</result> </action> </package> </struts>
5.创建CreateHtml.java用来生成静态页面
package com.zsw.util; import java.io.BufferedWriter; import java.io.File; import java.io.FileOutputStream; import java.io.IOException; import java.io.OutputStreamWriter; import java.io.Writer; import java.util.Locale; import java.util.Map; import org.apache.struts2.ServletActionContext; import freemarker.template.Configuration; import freemarker.template.Template; import freemarker.template.TemplateException; public class CreateHtml { /** * * @param ftl 模板文件 * @param htmlName html文件名称 * @param map map保存数据 * @param relaPath //在这里没有用到 * @throws IOException * @throws TemplateException */ public void init(String ftl, String htmlName, Map map, String relaPath) throws IOException, TemplateException { //创建Configuration对象 Configuration cfg = new Configuration(); cfg.setServletContextForTemplateLoading(ServletActionContext.getServletContext(), "/"); cfg.setEncoding(Locale.getDefault(), "gbk"); //创建Template对象 Template template = cfg.getTemplate(ftl); template.setEncoding("gbk"); //生成静态页面 String path = ServletActionContext.getServletContext().getRealPath("/"); File fileName = new File(path + htmlName); Writer out = new BufferedWriter(new OutputStreamWriter(new FileOutputStream(fileName), "gbk")); template.process(map, out); out.flush(); out.close(); } }
6.创建Action文件ListAction.java,如下：
package com.zsw.action; import java.io.IOException; import java.util.ArrayList; import java.util.HashMap; import java.util.List; import java.util.Map; import com.opensymphony.xwork2.ActionSupport; import com.zsw.util.CreateHtml; import com.zsw.vo.Person; import freemarker.template.TemplateException; public class ListAction extends ActionSupport { private String msg; public String getMsg() { return msg; } public void setMsg(String msg) { this.msg = msg; } public String execute() { CreateHtml createHtml = new CreateHtml(); List<Person> persons = new ArrayList<Person>(); for (int i = 0; i < 5; i++) { Person p = new Person(); p.setId(i); p.setName("a" + "1"); p.setAge("5"); p.setSex("man"); persons.add(p); } Map<String, List<Person>> map = new HashMap<String, List<Person>>(); map.put("personlist", persons); String htmlName = "personlist.html"; String ftl = "person.ftl"; String relaPath = "index.jsp"; try { createHtml.init(ftl, htmlName, map, relaPath); } catch (IOException e) { e.printStackTrace(); } catch (TemplateException e) { e.printStackTrace(); } this.msg = htmlName; return SUCCESS; } }
7.创建模板文件person.ftl
<table style="text-align:center;FONT-SIZE: 11pt; WIDTH: 600px; FONT-FAMILY: 宋体; BORDER-COLLAPSE: collapse" borderColor=#3399ff cellSpacing=0 cellPadding=0 align=center border=1> <tr> <td><b>编号</b></td> <td><b>用户名</b></td> <td><b>密码</b></td> <td><b>性别</b></td> <td><b>年龄</b></td> </tr> <#list personlist as person> <tr> <td>${person.id}</td> <td>${person.name}</td> <td>${person.sex}</td> <td>${person.age}</td> </tr> </#list> </table>
8.启动服务器，访问地址：http://localhost:8080/MyFreemark/list
效果图如下：
9.以上例子下载地址如下：
宝贝网址：