<html>
<head>
<title>freemarker测试</title>
</head>
<body>
<h1>${message},${name}</h1>
</body>
</html>
package com.test.servlet;
import java.io.IOException;
import java.io.Writer;
import java.util.HashMap;
import java.util.Map;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import freemarker.template.Configuration;
import freemarker.template.Template;
import freemarker.template.TemplateException;
@SuppressWarnings("serial")
public class HelloFreeMarkerServlet extends HttpServlet {
// 负责管理FreeMarker模板的Configuration实例
private Configuration cfg = null;
public void init() throws ServletException {
// 创建一个FreeMarker实例
cfg = new Configuration();
// 指定FreeMarker模板文件的位置
cfgsetServletContextForTemplateLoading(getServletContext(),
"/WEB-INF/templates");
}
@SuppressWarnings("unchecked")
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
// 建立数据模型
Map root = new HashMap();
root.put("message", "hello world");
root.put("name", "java小强");
// 获取模板文件
Template t = cfg.getTemplate("test.ftl");
// 使用模板文件的Charset作为本页面的charset
// 使用text/html MIME-type
responsesetContentType("text/html; charset=" + tgetEncoding());
Writer out = response.getWriter();
// 合并数据模型和模板,并将结果输出到out中
try {
tprocess(root, out); // 往模板里写数据
} catch (TemplateException e) {
e.printStackTrace();
}
}
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
doPost(request, response);
}
public void destroy() {
super.destroy();
}
}
<?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">
<servlet>
<servlet-name>hello</servlet-name>
<servlet-class>
com.test.servlet.HelloFreeMarkerServlet
</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>hello</servlet-name>
<url-pattern>/hello</url-pattern>
</servlet-mapping>
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
</web-app>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> <% String path = request.getContextPath(); String basePath = request.getScheme()+"://"+request.getServerName() +":"+request.getServerPort()+path+"/"; %> <html> <body> <% String mypath = "hello"; response.sendRedirect(basePath + mypath); %> </body> </html>
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