FreeMarker 生成ページ (3)_html/css_WEB-ITnose

package com.ftl;import java.io.IOException;import java.io.PrintWriter;import java.util.ArrayList;import java.util.HashMap;import java.util.List;import java.util.Map;import javax.servlet.ServletException;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import com.entity.User;import freemarker.template.Configuration;import freemarker.template.Template;import freemarker.template.TemplateException;public class FreeMarkerHandler extends HttpServlet {		private Configuration configuration = null; //解释Configuration		//构造函数	public FreeMarkerHandler(){		//创建Configuration实例		configuration = new Configuration();		//输出的数据默认的编码类型		configuration.setDefaultEncoding("utf-8");	}		@SuppressWarnings("unchecked")	public void doGet(HttpServletRequest request,HttpServletResponse response) throws ServletException,IOException	{		//---------------1.准备数据-----------------		//要填入的数据文件		Map dataMap = new HashMap();//解释数据的容器		//添加数据		dataMap.put("title", "FreeMarker示例");		List<User> userList = new ArrayList<User>();		User user1 = new User();		user1.setId("1");		user1.setName("小依");		User user2 = new User();		user2.setId("2");		user2.setName("小耳");		userList.add(user1);		userList.add(user2);		dataMap.put("userList", userList); //将数据放到Map中		//---------------------------------------				//---------------2.设置模板装载的方法(有多种方法)-		//介绍两种方法：		configuration.setServletContextForTemplateLoading(getServletContext(),"templates");//		configuration.setClassForTemplateLoading(this.getClass(),"/com/template");		//---------------------------------------				//----------------3.获得模板----------------		//获得需要装载的模版		Template template = null;		try {			template = configuration.getTemplate("hello.ftl");			template.setEncoding("utf-8");		} catch (IOException e) {			e.printStackTrace();		}		//---------------------------------------				//--------------4.开始准备生成输出--------------        //使用模版文件的charset作为本页面的charset        //使用text/html MIME-type        response.setContentType("text/html; charset=" + template.getEncoding());        PrintWriter out = response.getWriter();                //合并数据模型和模版，并将结果输出到out中        try        {        	template.process(dataMap,out);// 用模板来开发servlet可以只在代码里面加入动态的数据        }        catch(TemplateException e)        {         throw new ServletException("处理Template模版中出现错误", e);        }      //------------------------------------------        	}	}

<?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">  <welcome-file-list>    <welcome-file>index.jsp</welcome-file>  </welcome-file-list>  	<servlet>	    <servlet-name>FreeMarkerHandler</servlet-name>	    <servlet-class>com.ftl.FreeMarkerHandler</servlet-class>	</servlet>	<servlet-mapping>	    <servlet-name>FreeMarkerHandler</servlet-name>	    <url-pattern>*.do</url-pattern>	</servlet-mapping></web-app>