SpringMVC+FreeMarker（FTL）Integration example

File: /WebContent/WEB-INF/web.xml

<?xml version="1.0" encoding="UTF-8"?>

<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

        xmlns="http://java.sun.com/xml/ns/javaee"

        xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd"

        xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"

        id="WebApp_ID" version="3.0">

         

  <display-name>Freemarker_SpringMVC_example</display-name>

  <welcome-file-list>

    <welcome-file>index.html</welcome-file>

    <welcome-file>index.jsp</welcome-file>

  </welcome-file-list>

 

  <servlet>

        <servlet-name>spring</servlet-name>

        <servlet-class>

            org.springframework.web.servlet.DispatcherServlet

        </servlet-class>

        <load-on-startup>1</load-on-startup>

    </servlet>

    <servlet-mapping>

        <servlet-name>spring</servlet-name>

        <url-pattern>*.html</url-pattern>

    </servlet-mapping>

</web-app>

File: /WebContent/WEB-INF/spring-servlet.xml

<?xml version="1.0" encoding="UTF-8"?>

<beans xmlns="http://www.springframework.org/schema/beans"

    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

    xmlns:p="http://www.springframework.org/schema/p"

    xmlns:context="http://www.springframework.org/schema/context"

    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd                http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.0.xsd">

 

    <!-- freemarker config -->

    <bean id="freemarkerConfig" class="org.springframework.web.servlet.view.freemarker.FreeMarkerConfigurer">

      <property name="templateLoaderPath" value="/WEB-INF/ftl/"/>

    </bean>

     

    <!--

      View resolvers can also be configured with ResourceBundles or XML files. If you need

      different view resolving based on Locale, you have to use the resource bundle resolver.

    -->

    <bean id="viewResolver" class="org.springframework.web.servlet.view.freemarker.FreeMarkerViewResolver">

      <property name="cache" value="true"/>

      <property name="prefix" value=""/>

      <property name="suffix" value=".ftl"/>

    </bean>

 

    <context:component-scan

        base-package="com.dufeng.core" />

          

</beans>

File: com/dufeng/core/UserController.java

package com.dufeng.core;

 

import java.util.ArrayList;

import java.util.List;

 

import org.springframework.stereotype.Controller;

import org.springframework.ui.ModelMap;

import org.springframework.web.bind.annotation.ModelAttribute;

import org.springframework.web.bind.annotation.RequestMapping;

import org.springframework.web.bind.annotation.RequestMethod;

 

@Controller

public class UserController {

    /**

     * Static list of users to simulate Database

     */

    private static List<User> userList = new ArrayList<User>();

 

    //Initialize the list with some data for index screen

    static {

        userList.add(new User("Bill", "Gates"));

        userList.add(new User("Steve", "Jobs"));

        userList.add(new User("Larry", "Page"));

        userList.add(new User("Sergey", "Brin"));

        userList.add(new User("Larry", "Ellison"));

    }

 

    /**

     * Saves the static list of users in model and renders it

     * via freemarker template.

     *

     * @param model

     * @return The index view (FTL)

     */

    @RequestMapping(value = "/index", method = RequestMethod.GET)

    public String index(@ModelAttribute("model") ModelMap model) {

 

        model.addAttribute("userList", userList);

 

        return "index";

    }

 

    /**

     * Add a new user into static user lists and display the

     * same into FTL via redirect

     *

     * @param user

     * @return Redirect to /index page to display user list

     */

    @RequestMapping(value = "/add", method = RequestMethod.POST)

    public String add(@ModelAttribute("user") User user) {

 

        if (null != user && null != user.getFirstname()

                && null != user.getLastname() && !user.getFirstname().isEmpty()

                && !user.getLastname().isEmpty()) {

 

            synchronized (userList) {

                userList.add(user);

            }

 

        }

 

        return "redirect:index.html";

    }

 

}

File:com/dufeng/core/User.java

package com.dufeng.core;

 

public class User {

    private String firstname;

    private String lastname;

 

    public User() {

    }

 

    public User(String firstname, String lastname) {

        this.firstname = firstname;

        this.lastname = lastname;

 

    }

 

    //Add Getter and Setter methods

 

}

File: /WebContent/WEB-INF/ftl/index.ftl

<html>

<head><title>ViralPatel.net - FreeMarker Spring MVC Hello World</title>

<body>

<div id="header">

<H2>

    <a href="http://viralpatel.net"><img height="37" width="236" border="0px" src="http://viralpatel.net/blogs/wp-content/themes/vp/images/logo.png" align="left"/></a>

    FreeMarker Spring MVC Hello World

</H2>

</div>

 

<div id="content">

     

  <fieldset>

    <legend>Add User</legend>

  <form name="user" action="add.html" method="post">

    Firstname: <input type="text" name="firstname" /> <br/>

    Lastname: <input type="text" name="lastname" />   <br/>

    <input type="submit" value="   Save   " />

  </form>

  </fieldset>

  <br/>

  <table class="datatable">

    <tr>

        <th>Firstname</th>  <th>Lastname</th>

    </tr>

    <#list model["userList"] as user>

    <tr>

        <td>${user.firstname}</td> <td>${user.lastname}</td>

    </tr>

    </#list>

  </table>

 

</div> 

</body>

</html>