spring mvc学习

1-web.xml <web-app version="2.4" xmlns="http://java.sun.com/xml/ns/j2ee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemalocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-app_2_4.xsd"> <servlet> <servlet-name>springapp</servlet-name> <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class> <load-on-startup>1</load-on-startup> </servlet> <servlet-mapping> <servlet-name>springapp</servlet-name> <url-pattern>*.htm</url-pattern> </servlet-mapping> <welcome-file-list> <welcome-file>index.jsp</welcome-file> </welcome-file-list> </web-app> 2-定义控制类 package controller; import javax.servlet.http.*; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.springframework.web.servlet.ModelAndView; import org.springframework.web.servlet.mvc.CancellableFormController; import org.springframework.web.servlet.mvc.Controller; public class HelloController implements Controller { protected final Log logger=LogFactory.getLog(getClass()); public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response)throws Exception{ String he="qq"; request.setAttribute("timya", he); return new ModelAndView("hello.jsp");//跳转 } } 3-配置springapp-servlet.xml <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-2.0.xsd"> <bean id="helloController" class="controller.HelloController"> </bean> //定义映射关系 <bean id="urlMapping" class="org.springframework.web.servlet.handler.SimpleUrlHandlerMapping"> <property name="mappings"> <props> <prop key="/hello.htm">helloController</prop>//为hello.htm的后缀的交由helloController类处理 </props> </property> </bean> </beans>