在web.xml文件中，添加：
<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>
上述配置中，默认会在WEB-INF/目录下，查找springmvc-servlet.xml的配置文件，模式为：(servletname)-servlet.xml.找到该配置文件后，以此来加载应用程序上下文。
如果想要修改默认的配置文件，则可通过下面的方法来指定配置文件路径：
<context-param>
<param-name>contextConfigLocation</param-name>
<param-value>/WEB-INF/HelloWeb-servlet.xml</param-value>
</context-param>
<listener>
<listener-class>
org.springframework.web.context.ContextLoaderListener
</listener-class>
</listener>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:context="http://www.springframework.org/schema/context"
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-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.xiaofan.hello.activiti" />
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
<property name="prefix" value="/WEB-INF/pages/" />
<property name="suffix" value=".jsp" />
</bean>
</beans>@Controller
@RequestMapping("/hello")
public class HelloController{
@RequestMapping(method = RequestMethod.GET)
public String printHello(ModelMap model) {
model.addAttribute("message", "Hello Spring MVC Framework!");
return "hello";
}
}
<html>
<head>
<title>Hello Spring MVC</title>
</head>
<body>
<h2>${message}</h2>
</body>
</html>
习惯使用jetty进行web测试，因为是maven项目，所以对pom.xml进行以下步骤的修改：
1.添加servlet依赖：
<!-- servlet依赖 --> <dependency> <groupId>javax.servlet</groupId> <artifactId>servlet-api</artifactId> <version>2.5</version> <scope>provided</scope> </dependency> <dependency> <groupId>javax.servlet.jsp</groupId> <artifactId>jsp-api</artifactId> <version>2.1</version> <scope>provided</scope> </dependency> <dependency> <groupId>javax.servlet.jsp.jstl</groupId> <artifactId>jstl-api</artifactId> <version>1.2</version> </dependency>
2.添加jetty插件：
<plugin> <groupId>org.mortbay.jetty</groupId> <artifactId>jetty-maven-plugin</artifactId> <version>8.1.14.v20131031</version> <configuration> <jvmArgs>-Dfile.encoding=UTF-8</jvmArgs> <scanIntervalSeconds>0</scanIntervalSeconds> <stopKey>foo</stopKey> <stopPort>9999</stopPort> <webApp> <contextPath>/activiti-hello</contextPath> </webApp> <connectors> <connector implementation="org.eclipse.jetty.server.nio.SelectChannelConnector"> <port>9090</port> <maxIdleTime>60000</maxIdleTime> </connector> </connectors> </configuration> </plugin>
经过上述步骤，可以通过mvn jetty:run来运行测试了,在浏览器中输入http://127.0.0.1:9090/activiti-hello/hello，可以看到以下页面：
至此，springmvc基本框架的helloworld实例已经完成
总结一下，开发springmvc的简单应用包括以下步骤：
原文：http://www.cnblogs.com/huntdream/p/6011192.html