ModelAndView返回有关问题,求解答

ModelAndView返回问题,求解答

@RequestMapping(value="/listview")
	 protected ModelAndView handle(HttpServletRequest req, HttpServletResponse resp) throws Exception { 
	    initList();
	    onInitList();
	    System.out.println(11);
	    ModelAndView view=new ModelAndView("biz/projectmanager/integration/prjCostManagement/prjCostManagementList");
	    
	    return view;
	  }

spring-mvc.xml

 <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
	 	 
		<property name="prefix" value="/"></property>
		<property name="suffix" value=".jsp"></property>
		  <property name="viewClass" value="org.springframework.web.servlet.view.JstlView"></property>
	</bean>

web.xml

<servlet>
		<servlet-name>dispatcherServlet</servlet-name>
		<servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
		<init-param>
			<param-name>contextConfigLocation</param-name>
			<param-value>classpath*:spring/spring-mvc.xml</param-value>
		</init-param>
		<load-on-startup>1</load-on-startup>
	</servlet>
	<servlet-mapping>
		<servlet-name>dispatcherServlet</servlet-name>
		<url-pattern>/</url-pattern>
	</servlet-mapping>

今天在线等，一定结贴给分，现在去吃饭，帮忙啊各位！
------解决思路----------------------
<property name="prefix" value="/"></property>
你的这个文件是放在哪里？
是在 app 目录下？
即 ../WEB-INF/biz/projectmanager/integration/prjCostManagement/prjCostManagementList.jsp