基于注解的SpringMVC+freemarker环境搭建

jwlsky

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首先用IDE建一个web工程。(这个就不详细介绍了)
引入响应的jar包
web.xml
<?xml version="1.0" ?>
<web-app 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_3_0.xsd"
 version="3.0">
 
 <context-param>
 <param-name>contextConfigLocation</param-name>
 <param-value>classpath:applicationContext.xml</param-value>
 </context-param>

 
 <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>
 
 <servlet-mapping>
 <servlet-name>springmvc</servlet-name>
 <url-pattern>/</url-pattern>
 </servlet-mapping>
</web-app>
SpringMVC另外一个重要的配置文件。
DispatcherServlet会根绝web.xml中配置的<servlet-name>去找<servlet-name>-servlet.xml的文件来加载spring的一些配置信息。我这里就应该取名叫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"
 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-2.5.xsd
 http://www.springframework.org/schema/context
 http://www.springframework.org/schema/context/spring-context-2.5.xsd">

 
 <context:component-scan base-package="com.liba.spring.mvc"/>

 
 <bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter" />

 

 
 

 
 <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" />
 <property name="contentType" value="text/html;charset=UTF-8"></property>
 <property name="requestContextAttribute" value="request" />
 <property name="exposeSpringMacroHelpers" value="true" />
 <property name="exposeRequestAttributes" value="true" />
 <property name="exposeSessionAttributes" value="true" />
 </bean>


 
 
 
</beans>
如果是使用freemarker最为视图模板需要再spring的配置文件applicationContext.xml中加入以下配置
<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>
Controller建立
import javax.servlet.http.HttpServletRequest;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.servlet.ModelAndView;

@Controller
public class SpringMvcController {

 @RequestMapping(value="/welcome",method={RequestMethod.GET})
 public ModelAndView getFirstPage(HttpServletRequest request) {
 //welcom就是视图的名称（welcom.ftl）
 ModelAndView mv = new ModelAndView("welcom");
 mv.addObject("name", "My First Spring Mvc");
 return mv;
 }
}
在url上敲http://localhost:8080/welcome就会到WEB-INF/view/welcom.ftl页面渲染数据
welcom.ftl页面
<!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=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
Hello ${name}
</body>
</html>

页面出来的效果：

Hello My First Spring Mvc