Spring MVC 整合 Freemarker
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前言
1.为什么要使用Spring MVC呢?
2.为什么要使用Freemarker呢?
3.为什么不使用Struts2呢?
此示例出现的原因就是发现了struts2的性能太差,所以学习Spring MVC。又由于前一个项目使用的是Struts2+Freemarker写的,所以要替换Struts2就需要让Spring MVC也要支持Freemarker。
项目准备
1.Spring 包
spring2.5.6.jar
spring-aop.jar
spring-beans.jar
spring-context.jar
spring-context-support.jar
spring-core.jar
spring-jdbc.jar
spring-jms.jar
spring-orm.jar
spring-test.jar
spring-tx.jar
spring-web.jar
spring-webmvc.jar
spring-webmvc-portlet.jar
spring-webmvc-struts.jar
2.Freemarker包
freemarker-2.3.19.jar
加粗的部分为项目需要引入的包。
开始我们的整合之旅吧!
开发工具:NetBeans IDE 7.3.1
一、新建web项目springMVCAndFreemarker
二、将jar包引入项目
spring.jar
spring-webmvc.jar
freemarker.jar
依赖包
commons-logging.jar
三、配置web.xml
WEB-INF/web.xml
- <!– Spring 上下文参数 –>
- <context-param>
- <param-name>contextConfigLocation</param-name>
- <param-value>classpath:applicationContext.xml</param-value>
- </context-param>
- <!– Spring 容器启动器 –>
- <listener>
- <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
- </listener>
- <servlet>
- <servlet-name>springmvc</servlet-name>
- <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
- <load-on-startup>1</load-on-startup>
- </servlet>
- <!–为DispatcherServlet建树映射 –>
- <servlet-mapping>
- <servlet-name>springmvc</servlet-name>
- <url-pattern>/*</url-pattern>
- </servlet-mapping>
<!-- Spring 上下文参数 --> <context-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:applicationContext.xml</param-value> </context-param> <!-- Spring 容器启动器 --> <listener> <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class> </listener> <servlet> <servlet-name>springmvc</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <load-on-startup>1</load-on-startup> </servlet> <!--为DispatcherServlet建树映射 --> <servlet-mapping> <servlet-name>springmvc</servlet-name> <url-pattern>/*</url-pattern> </servlet-mapping>四、添加applicationContext.xml文件
src/applicationContext.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”
- xsi:schemaLocation=”http://www.springframework.org/schema/beans
- http://www.springframework.org/schema/beans/spring-beans-2.5.xsd”>
- </beans>
<?xml version="1.0" encoding="UTF-8"?><beans xmlns="http://www.springframework.org/schema/beans" 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-2.5.xsd"></beans>
接着在内容中添加Freemarker的支持配置
- <!– Freemarker配置 –>
- <bean id=“freemarkerConfig”
- class=“org.springframework.web.servlet.view.freemarker.FreeMarkerConfigurer”>
- <property name=“templateLoaderPath” value=“/WEB-INF/view/” />
- <property name=“freemarkerSettings”>
- <props>
- <prop key=“template_update_delay”>0</prop>
- <prop key=“default_encoding”>UTF-8</prop>
- <prop key=“number_format”>0.##########</prop>
- <prop key=“datetime_format”>yyyy-MM-dd HH:mm:ss</prop>
- <prop key=“classic_compatible”>true</prop>
- <prop key=“template_exception_handler”>ignore</prop>
- </props>
- </property>
- </bean>
<!-- Freemarker配置 --> <bean id="freemarkerConfig" class="org.springframework.web.servlet.view.freemarker.FreeMarkerConfigurer"> <property name="templateLoaderPath" value="/WEB-INF/view/" /> <property name="freemarkerSettings"> <props> <prop key="template_update_delay">0</prop> <prop key="default_encoding">UTF-8</prop> <prop key="number_format">0.##########</prop> <prop key="datetime_format">yyyy-MM-dd HH:mm:ss</prop> <prop key="classic_compatible">true</prop> <prop key="template_exception_handler">ignore</prop> </props> </property> </bean>五、添加spring MVC的servlet配置文件,命名规则(servlet-name+servlet.xml)
WEB-INF/springmvc-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”
- xsi:schemaLocation=”http://www.springframework.org/schema/beans
- http://www.springframework.org/schema/beans/spring-beans-2.5.xsd”>
- </beans>
<?xml version="1.0" encoding="UTF-8"?><beans xmlns="http://www.springframework.org/schema/beans" 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-2.5.xsd"></beans>接着在内容中添加Spring MVC的配置
- <!–视图解释器 –>
- <bean id=“viewResolver”
- class=“org.springframework.web.servlet.view.freemarker.FreeMarkerViewResolver”>
- <property name=“suffix”>
- <value>.ftl</value>
- </property>
- <property name=“contentType” value=“text/html;charset=UTF-8”></property>
- </bean>
<!--视图解释器 --> <bean id="viewResolver" class="org.springframework.web.servlet.view.freemarker.FreeMarkerViewResolver"> <property name="suffix"> <value>.ftl</value> </property> <property name="contentType" value="text/html;charset=UTF-8"></property> </bean>六、创建控制器Controller类
com.qisentech.springmvc.action.HelloWordController.java
- /*
- * 文 件 名 : com.qisentech.springmvc.action.HelloWordController.java
- * 创建日期 : 2013-8-7 11:40:04
- * 创 建 者 : qsyang
- */
- package com.qisentech.springmvc.action;
- import javax.servlet.http.HttpServletRequest;
- import javax.servlet.http.HttpServletResponse;
- import org.springframework.web.servlet.ModelAndView;
- import org.springframework.web.servlet.mvc.Controller;
- /**
- * <p>Title: </p>
- *
- * <p>Description: </p>
- *
- * @author qsyang
- * @version 1.0
- */
- public class HelloWordController implements Controller {
- @Override
- public ModelAndView handleRequest(HttpServletRequest hsr
- , HttpServletResponse hsr1) throws Exception {
- ModelAndView mv = new ModelAndView(“hello”);
- mv.addObject(”title”, “Spring MVC And Freemarker”);
- mv.addObject(”content”, “ Hello world , test my first spring mvc ! ”);
- return mv;
- }
- }
/* * 文 件 名 : com.qisentech.springmvc.action.HelloWordController.java * 创建日期 : 2013-8-7 11:40:04 * 创 建 者 : qsyang */package com.qisentech.springmvc.action;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import org.springframework.web.servlet.ModelAndView;import org.springframework.web.servlet.mvc.Controller;/** * <p>Title: </p> * * <p>Description: </p> * * @author qsyang * @version 1.0 */public class HelloWordController implements Controller { @Override public ModelAndView handleRequest(HttpServletRequest hsr , HttpServletResponse hsr1) throws Exception { ModelAndView mv = new ModelAndView("hello"); mv.addObject("title", "Spring MVC And Freemarker"); mv.addObject("content", " Hello world , test my first spring mvc ! "); return mv; }}代码中new ModelAndView(“hello”)中的hello就是模板文件的名称
由于我们的Freemarker的模板文件是配置在WEB-INF/view下,参考applicationContext.xml配置
<property name=”templateLoaderPath” value=”/WEB-INF/view/” />
所以我们需要在WEB-INF/view下新建模板文件,名称(hello.ftl)
- <!DOCTYPE html PUBLIC ”-//W3C//DTD HTML 4.01 Transitional//EN”
- “http://www.w3.org/TR/html4/loose.dtd”>
- <html>
- <head>
- <meta http-equiv=“Content-Type” content=“text/html; charset=UTF-8”>
- <title>{title}</span><span class="tag"></</span><span class="tag-name">title</span><span class="tag">></span><span> </span></span></li><li class="alt"><span> <span class="tag"></</span><span class="tag-name">head</span><span class="tag">></span><span> </span></span></li><li class=""><span> <span class="tag"><</span><span class="tag-name">body</span><span class="tag">></span><span> </span></span></li><li class="alt"><span> {content}
- </body>
- </html>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>${title}</title> </head> <body> ${content} </body></html>
七、将控制器交给Spring MVC进行拦截
添加以下内容到springmvc-servlet.xml
- <!– 地址转发器 –>
- <bean name=“HelloAction” class=“com.qisentech.springmvc.action.HelloWordController” />
- <bean id=“urlMapping”
- class=“org.springframework.web.servlet.handler.SimpleUrlHandlerMapping”>
- <property name=“mappings”>
- <props>
- <!– 映射URL地址 –>
- <prop key=“/hello”>HelloAction</prop>
- </props>
- </property>
- </bean>
<!-- 地址转发器 --><bean name="HelloAction" class="com.qisentech.springmvc.action.HelloWordController" /><bean id="urlMapping" class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping"><property name="mappings"> <props> <!-- 映射URL地址 --> <prop key="/hello">HelloAction</prop> </props></property></bean>
以上步骤处理好,我们就可以运行了
访问地址:http://localhost:8088/springMVCAndFreemarker/hello页面输出:
Hello world , test my first spring mvc !
就此,我们的第一个Spring MVC + Freemarker的示例结束了!
需要源码的,可以留言,留下邮箱,我看到了给你发过去!
附上项目结构图:
转载自http://blog.csdn.net/yakson
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