基于注解Spring MVC 3.0简单示例
首先说明一下使用的版本:
JDK:1.6 Tomcat:6.0 Spring:3.2,使用到的Jar包截图:
工程结构截图:
接下来:web.xml文件配置:
<?xml version="1.0" encoding="UTF-8"?> <web-app version="3.0" 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"> <servlet> <servlet-name>SpringMVC</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <init-param> <param-name>contextConfigLocation</param-name> <param-value>classpath:SpringMVC-servlet.xml</param-value> </init-param> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>SpringMVC</servlet-name> <url-pattern>/</url-pattern> </servlet-mapping> <!-- 编码过滤 --> <filter> <filter-name>encode</filter-name> <filter-class>org.springframework.web.filter.CharacterEncodingFilter</filter-class> <init-param> <param-name>encoding</param-name> <param-value>UTF-8</param-value> </init-param> </filter> <filter-mapping> <filter-name>encode</filter-name> <url-pattern>/*</url-pattern> </filter-mapping> <welcome-file-list> <welcome-file>WEB-INF/index.jsp</welcome-file> </welcome-file-list> </web-app>
log4j.properties文件配置:
log4j.rootLogger=WARN,stdout log4j.appender.stdout=org.apache.log4j.ConsoleAppender log4j.appender.stdout.layout=org.apache.log4j.PatternLayout log4j.appender.stdout.layout.ConversionPattern=%n%-d{yyyy-MM-dd HH\:mm\:ss}%n[%p]-[Thread\: %t]-[%C.%M()]\: %m%n
SpringMVC-servlet.xml文件的配置:
<?xml version="1.0" encoding="UTF-8"?> <beans default-lazy-init="true" xmlns="http://www.springframework.org/schema/beans" xmlns:p="http://www.springframework.org/schema/p" xmlns:tx="" xmlns:aop="http://www.springframework.org/schema/aop" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:context= xmlns:mvc= xsi:schemaLocation= " http://www.springframework.org/schema/context/spring-context-3.1.xsd"> <!-- 注解驱动 --> <mvc:annotation-driven /> <!-- 扫描包 --> <context:component-scan base-package="com.project.controller" /> <!-- ViewResolver --> <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"> <property name="viewClass" value="org.springframework.web.servlet.view.JstlView"/> <property name="prefix" value="/WEB-INF/jsp/"/> <property name="suffix" value=".jsp"/> </bean> <!-- HandlerAdapter --> <!-- <bean class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping"> <property name="mappings"> <props> <prop key="/index">Hello</prop> </props> </property> </bean> --> <!-- HandlerMapping --> <bean class="org.springframework.web.servlet.handler.BeanNameUrlHandlerMapping"/> <!-- HandlerMapping --> <bean class="org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping"/> <!-- <bean name="/index" class="com.project.controller.HelloController"/> --> <!-- <bean id="Hello" class="com.project.controller.HelloController" /> --> </beans>
HelloController代码内容:
package com.project.controller; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.springframework.stereotype.Controller; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.servlet.ModelAndView; @Controller @RequestMapping("/hello") public class HelloController { @RequestMapping("/index") public ModelAndView index(HttpServletRequest request,HttpServletResponse response) throws Exception { ModelAndView modelView = new ModelAndView(); modelView.addObject("msg","Hello Index"); modelView.setViewName("index"); System.err.println("执行index!"); return modelView; } @RequestMapping("/show") public ModelAndView show(HttpServletRequest request,HttpServletResponse response) throws Exception { ModelAndView modelView = new ModelAndView(); modelView.addObject("msg","Hello show"); modelView.setViewName("index"); System.err.println("执行show!"); return modelView; } }
OK,运行效果如图:
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