基于注解的SPRINGMVC+FREEMARKER环境搭建
2013-08-07 17:55
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基于注解的SPRINGMVC+FREEMARKER环境搭建
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
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<?xml version="1.0" ?>
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<web-app xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd"
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version="3.0">
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<!-- Spring 服务层的配置文件 -->
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<context-param>
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<param-name>contextConfigLocation</param-name>
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<param-value>classpath:applicationContext.xml</param-value>
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</context-param>
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<!-- Spring 容器启动监听器 -->
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<listener>
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<listener-class>org.springframework.web.context.ContextLoaderListener
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</listener-class>
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</listener>
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<servlet>
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<servlet-name>springmvc</servlet-name>
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<servlet-class>org.springframework.web.servlet.DispatcherServlet
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</servlet-class>
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<load-on-startup>1</load-on-startup>
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</servlet>
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<!--为DispatcherServlet建立映射 -->
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<servlet-mapping>
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<servlet-name>springmvc</servlet-name>
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<url-pattern>/</url-pattern>
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</servlet-mapping>
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</web-app>
SpringMVC另外一个重要的配置文件。
DispatcherServlet会根据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
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<?xml version="1.0" encoding="UTF-8"?>
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<beans
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xmlns="http://www.springframework.org/schema/beans"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xmlns:p="http://www.springframework.org/schema/p"
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xmlns:context="http://www.springframework.org/schema/context"
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xsi:schemaLocation="http://www.springframework.org/schema/beans
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http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
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http://www.springframework.org/schema/context
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http://www.springframework.org/schema/context/spring-context-2.5.xsd">
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<!--对web包中的所有类进行扫描,以完成Bean创建和自动依赖注入的功能 -->
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<context:component-scan base-package="com.liba.spring.mvc"/>
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<!-- 启动Spring MVC的注解功能,完成请求和注解POJO的映射 请求映射-->
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<bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter" />
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<!--以下三种视图配置根据需要任选一种即可 -->
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<!-- 一般的视图配置 -->
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<!--<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"
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p:prefix="/WEB-INF/view/" p:suffix=".jsp"/>-->
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<!-- 针对freemarker的视图配置 -->
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<bean id="viewResolver"
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class="org.springframework.web.servlet.view.freemarker.FreeMarkerViewResolver">
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<property name="cache" value="true" />
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<property name="prefix" value="" />
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<property name="suffix" value=".ftl" />
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<property name="contentType" value="text/html;charset=UTF-8"></property>
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<property name="requestContextAttribute" value="request" />
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<property name="exposeSpringMacroHelpers" value="true" />
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<property name="exposeRequestAttributes" value="true" />
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<property name="exposeSessionAttributes" value="true" />
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</bean>
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<!-- View resolvers can also be configured with ResourceBundles or XML files.
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If you need different view resolving based on Locale, you have to use the
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resource bundle resolver. -->
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<!-- 这个是针对返回视图还是json值的视图配置 来分别处理同步和异步请求 -->
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<!--<bean
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class="org.springframework.web.servlet.view.ContentNegotiatingViewResolver">
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<property name="mediaTypes">
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<map>
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<entry key="html" value="text/html" />
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<entry key="json" value="application/json" />
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</map>
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</property>
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<property name="favorParameter" value="true" />
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<property name="viewResolvers">
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<list>
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<bean class="org.springframework.web.servlet.view.BeanNameViewResolver" />
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<bean id="viewResolver"
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class="org.springframework.web.servlet.view.freemarker.FreeMarkerViewResolver">
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<property name="cache" value="true" />
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<property name="prefix" value="" />
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<property name="suffix" value=".ftl" />
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<property name="contentType" value="text/html;charset=UTF-8"></property>
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<property name="requestContextAttribute" value="request" />
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<property name="exposeSpringMacroHelpers" value="true" />
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<property name="exposeRequestAttributes" value="true" />
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<property name="exposeSessionAttributes" value="true" />
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</bean>
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</list>
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</property>
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<property name="defaultContentType" value="text/html" />
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</bean>
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-->
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</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
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<bean id="freemarkerConfig"
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class="org.springframework.web.servlet.view.freemarker.FreeMarkerConfigurer">
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<property name="templateLoaderPath" value="/WEB-INF/view/" />
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<property name="freemarkerSettings">
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<props>
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<prop key="template_update_delay">0</prop>
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<prop key="default_encoding">UTF-8</prop>
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<prop key="number_format">0.##########</prop>
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<prop key="datetime_format">yyyy-MM-dd HH:mm:ss</prop>
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<prop key="classic_compatible">true</prop>
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<prop key="template_exception_handler">ignore</prop>
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</props>
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</property>
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</bean>
Controller建立
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import javax.servlet.http.HttpServletRequest;
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import org.springframework.stereotype.Controller;
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import org.springframework.web.bind.annotation.RequestMapping;
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import org.springframework.web.bind.annotation.RequestMethod;
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import org.springframework.web.servlet.ModelAndView;
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@Controller
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public class SpringMvcController {
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@RequestMapping(value="/welcome",method={RequestMethod.GET})
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public ModelAndView getFirstPage(HttpServletRequest request) {
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//welcom就是视图的名称(welcom.ftl)
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ModelAndView mv = new ModelAndView("welcom");
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mv.addObject("name", "My First Spring Mvc");
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return mv;
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}
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}
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
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
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<title>Insert title here</title>
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</head>
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<body>
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Hello ${name}
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</body>
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</html>
页面出来的效果:
Hello My First Spring Mvc
原文地址:http://www.blogjava.net/paulwong/archive/2013/06/14/372220.html
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