FreeMarker整合Spring 3.0
开发环境：
System：Windows
WebBrowser：IE6+、Firefox3+
JavaEE Server：tomcat5.0.2.8、tomcat6
IDE：eclipse、MyEclipse 8
开发依赖库：
JavaEE5、Spring 3.0.0.M4、FreeMarker 2.3.16
Email：[email protected]
Blog：http://blog.csdn.net/IBM_hoojo
1、 新建WebProject，工程名称是SpringFreemarker；然后手动添加jar包，需要的jar包如下：
SpringFramework jar包下载地址：
FreeMarker library下载地址：
当然你也可以去官方下载
2、 在web.xml中添加如下配置：
<!-- 加载Spring容器配置 -->
< listener >
< listener-class > org.springframework.web.context.ContextLoaderListener</ listener-class >
</ listener >
<!-- 设置Spring容器加载配置文件路径 -->
< context-param >
< param-name > contextConfigLocation</ param-name >
< param-value > classpath*:applicationContext-*.xml</ param-value >
</ context-param >
< servlet >
< servlet-name > dispatcher</ servlet-name >
< servlet-class > org.springframework.web.servlet.DispatcherServlet</ servlet-class >
< init-param >
< param-name > contextConfigLocation</ param-name >
< param-value > /WEB-INF/dispatcher.xml</ param-value >
</ init-param >
< load-on-startup > 1</ load-on-startup >
</ servlet >
< servlet-mapping >
< servlet-name > dispatcher</ servlet-name >
< url-pattern > *.do</ url-pattern >
</ servlet-mapping >
上面分别是添加Spring的监听器、以及配置Spring的配置文件、还有SpringMVC的控制器；
3、 在WEB-INF中添加文件dispatcher.xml，和web.xml中的对应。内容如下：
<? xml version ="1.0" encoding ="UTF-8" ?>
< beans xmlns ="http://www.springframework.org/schema/beans"
xmlns:mvc ="http://www.springframework.org/schema/mvc" xmlns:context ="http://www.springframework.org/schema/context"
xmlns:util ="http://www.springframework.org/schema/util" xmlns:xsi ="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation ="http://www.springframework.org/schema/beans >
http://www.springframework.org/schema/beans/spring-beans-3.0.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.0.xsd
http://www.springframework.org/schema/util
http://www.springframework.org/schema/util/spring-util-3.0.xsd"
< context:component-scan base-package ="com.hoo" />
<!-- annotation的方法映射适配器
<bean id="handlerAdapter" class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter"/>
-->
<!-- annotation默认的方法映射适配器 -->
< bean id ="handlerMapping" class ="org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping" />
< bean class ="org.springframework.web.servlet.view.InternalResourceViewResolver" >
< property name ="viewClass" value ="org.springframework.web.servlet.view.JstlView" />
</ bean >
</ beans >
上面是SpringMVC的基本配置
4、 在src中添加applicationContext-beans.xml，内容如下：
<? 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:aop ="http://www.springframework.org/schema/aop"
xmlns:tx ="http://www.springframework.org/schema/tx"
xmlns:util ="http://www.springframework.org/schema/util"
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/aop
http://www.springframework.org/schema/aop/spring-aop-3.0.xsd
http://www.springframework.org/schema/tx
http://www.springframework.org/schema/tx/spring-tx-3.0.xsd
http://www.springframework.org/schema/util
http://www.springframework.org/schema/util/spring-util-3.0.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context-3.0.xsd"
</ beans >
里面可以添加一些bean的配置
5、 在src目录添加freemarker.properties配置文件，这个文件是freemarker一些常用的转换，内容如下：
tag_syntax=auto_detect
template_update_delay=2
default_encoding=UTF-8
output_encoding=UTF-8
locale=zh_CN
date_format=yyyy-MM-dd
time_format=HH:mm:ss
datetime_format=yyyy-MM-dd HH:mm:ss
6、 在dispatcher.xml中添加freemarker的配置，配置如下：
<!-- 设置freeMarker的配置文件路径 -->
< bean id ="freemarkerConfiguration" class ="org.springframework.beans.factory.config.PropertiesFactoryBean" >
< property name ="location" value ="classpath:freemarker.properties" />
</ bean >
<!-- 配置freeMarker的模板路径 -->
< bean id ="freemarkerConfig" class ="org.springframework.web.servlet.view.freemarker.FreeMarkerConfigurer" >
<!--property name="freemarkerSettings" ref="freemarkerConfiguration"/-->
< property name ="templateLoaderPath" >
< value > /WEB-INF/ftl/</ value >
</ property >
< property name ="freemarkerVariables" >
< map >
< entry key ="xml_escape" value-ref ="fmXmlEscape" />
</ map >
</ property >
</ bean >
< bean id ="fmXmlEscape" class ="freemarker.template.utility.XmlEscape" />
<!-- 配置freeMarker视图解析器 -->
< bean id ="viewResolver" class ="org.springframework.web.servlet.view.freemarker.FreeMarkerViewResolver" >
< property name ="viewClass" value ="org.springframework.web.servlet.view.freemarker.FreeMarkerView" />
< property name ="viewNames" value ="*.ftl" />
< property name ="contentType" value ="text/html; charset=utf-8" />
< property name ="cache" value ="true" />
< property name ="prefix" value ="" />
< property name ="suffix" value ="" />
< property name ="order" value ="2" />
</ bean >
上面最关键的就是freeMarker的视图解析器viewResolver的配置，viewClass是使用哪个视图解析器，这里是类路径；其他的和jsp的视图解析器都很类似。
7、 下面在WEB-INF中添加2个ftl模板，在WEB-INF添加ftl，然后添加hello.ftl/hi.ftl，内容分别是：
hello.ftl
< html >
< body >
< h1 > say hello ${name}</ h1 >< br />
${(1 == 1)?string("yes", "no")}
</ body >
</ html >
hi.ftl
< html >
< body >
< h1 > say hello ${name}</ h1 >< br />
${(1 != 1)?string("yes", "no")}
</ body >
</ html >
8、 添加Controller控制器，代码如下：
package com.hoo.controller;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.RequestMapping;
/**
* <b>function:</b> FreeMarker示例控制器
* @author hoojo
* @createDate 2011-3-3 下午04:50:10
* @file HelloWorldController.java
* @package com.hoo.controller
* @project SpringFreemarker
* @version 1.0
*/
@Controller
@RequestMapping("/freeMarker" )
public class HelloWorldController {
@RequestMapping("/hello" )
public String sayHello(ModelMap map) {
System.out.println("say Hello ……" );
map.addAttribute("name" , " World!" );
return "/hello.ftl" ;
}
@RequestMapping("/hi" )
public String sayHi(ModelMap map) {
System.out.println("say hi ……" );
map.put("name" , "jojo" );
return "/hi.ftl" ;
}
@RequestMapping("/jsp" )
public String jspRequest(ModelMap map) {
System.out.println("jspRequest ……" );
map.put("name" , "jsp" );
return "/temp.jsp" ;
}
}
9、 添加index.jsp的测试链接或temp.jsp的内容：
index.jsp
< body >
< a href ="freeMarker/hello.do" > say hello</ a >< br />
< a href ="freeMarker/hi.do" > say hi</ a >< br />
< a href ="freeMarker/jsp.do" > jspRequest</ a >
</ body >
temp.jsp
< body >
< h3 > ${name }</ h3 >
</ body >
如果运行无错误，并输出正确的结果就整合成功！~.~
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