SpringMVC集成Jsp，Freemarker，Velocity

说明一下目录结构
 
Spring配置文件

<?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">
    <context:component-scan
        base-package="com.spring.action" />
    <!--  
        org.springframework.web.servlet.view.ResourceBundleViewResolver
        用于多个视图集成时,ResourceBundleViewResolver是通过解析资源文件来解析请求输出文件的。
        <property name="basename" value="views"></property>,即表示在/WEB-INF/classes路径下有一个
        views.properties文件,本例中views.properties的内容为
        welcome.(class)=org.springframework.web.servlet.view.velocity.VelocityView
        welcome.url=welcome.vm
        freemarker.(class)=org.springframework.web.servlet.view.freemarker.FreeMarkerView
        freemarker.url=freemarker.ftl
    -->
    <bean class="org.springframework.web.servlet.view.ResourceBundleViewResolver">
        <property name="basename" value="views"></property>
        <!-- 
            <property name="order" value="0"></property>
        -->
    </bean>
    
    <!-- jsp视图解析器 -->
    <bean id="jspViewResolver" class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="viewClass" value="org.springframework.web.servlet.view.JstlView"/>
        <property name="prefix" value="/"/>
        <property name="suffix" value=".jsp"/>
    </bean>        
    
    <!-- velocity视图解析器 -->
    <bean id="velocityViewResolver" class="org.springframework.web.servlet.view.velocity.VelocityViewResolver">
        <property name="cache" value="true"/>
        <property name="prefix" value="/"/>
        <property name="suffix" value=".vm"/>
    </bean>
    
    <!-- velocity环境配置 -->
    <bean id="velocityConfig" class="org.springframework.web.servlet.view.velocity.VelocityConfigurer">
        <!-- velocity配置文件路径 -->
        <property name="configLocation" value="/WEB-INF/velocity.properties"/>
        <!-- velocity模板路径 -->
        <property name="resourceLoaderPath" value="/WEB-INF/velocity/"/>
    </bean>
    
    <!-- FreeMarker环境配置 -->
    <bean id="freemarkerConfig" class="org.springframework.web.servlet.view.freemarker.FreeMarkerConfigurer">
        <!-- freemarker模板位置 -->
        <property name="templateLoaderPath" value="/WEB-INF/freemarker/"/>
    </bean>
    
    <!-- FreeMarker视图解析 -->
    <bean id="freeMarkerViewResolver" class="org.springframework.web.servlet.view.freemarker.FreeMarkerViewResolver">
        <property name="cache" value="true"/>
        <property name="prefix" value="/"/>
        <property name="suffix" value=".ftl"/>
    </bean>
</beans>

views.properties

#welcome为modelAndView.setViewName("welcome");中的welcome   .(class)固定写法
welcome.(class)=org.springframework.web.servlet.view.velocity.VelocityView
#welcome.url 路径 welcome.vm模板名称
welcome.url=welcome.vm

#freemarker为modelAndView.setViewName("freemarker");中的freemarker   .(class)固定写法
freemarker.(class)=org.springframework.web.servlet.view.freemarker.FreeMarkerView
#freemarker.url 路径 freemarker.ftl模板名称
freemarker.url=freemarker.ftl