<form method="post" enctype="multipart/form-data"  action="${ctx}/wzxxfbpdtp/upload">
	上传图片:<input type="file" name="imgFile"/>
          <input type="submit" value="submit">
          </form>

@Controller
@RequestMapping("/wzxxfbpdtp")
public class WzXxfbPdtpController{

         @RequestMapping(value = "/upload")
	public ModelAndView upload(HttpServletRequest request,HttpServletResponse response) throws Exception{
         //下面的类型转换就报错了。
         MultipartHttpServletRequest multipartRequest = (MultipartHttpServletRequest) request;
	MultipartFile multipartFile = multipartRequest.getFile("imgFile");
	//后面再写业务逻辑
         return new ModelAndView(LIST_ACTION);
	}
}

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans" 
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:p="http://www.springframework.org/schema/p" 
    xmlns:context="http://www.springframework.org/schema/context"
    xmlns:mvc="http://www.springframework.org/schema/mvc"
    xsi:schemaLocation="
        http://www.springframework.org/schema/beans 
        http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
        http://www.springframework.org/schema/context 
        http://www.springframework.org/schema/context/spring-context-2.5.xsd
        http://www.springframework.org/schema/mvc
        http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd"
    default-autowire="byName"   >

	<!-- 开启支持@NumberFormat @DateTimeFormat @Valid标注 ,@DateTimeFormat用于bean 日期属性的格式化,请查看: http://static.springsource.org/spring/docs/3.0.2.RELEASE/spring-framework-reference/htmlsingle/spring-framework-reference.html#mvc-config-->
    <mvc:annotation-driven validator="validator"/>

	<!-- 自动搜索@Controller标注的类 -->
	<context:component-scan base-package="com.**.controller"/>
	<bean class="org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping">
		<!-- 拦截器注册
		<property name="interceptors">
			<bean class="javacommon.springmvc.interceptor.SharedRenderVariableInterceptor"/>
		</property>
		 -->
	</bean>

    <bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter"/>
	
	<bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
      <property name="maxUploadSize" value="104857600"/>
        <property name="maxInMemorySize" value="4096"/>
   </bean>


    <!-- 根据客户端的不同的请求决定不同的view进行响应, 如 /blog/1.json /blog/1.xml -->
    <bean class="org.springframework.web.servlet.view.ContentNegotiatingViewResolver">
    	<property name="ignoreAcceptHeader" value="true"/>
		<property name="defaultContentType" value="text/html"/>
		
    	<!-- 扩展名至mimeType的映射,即 /user.json => application/json -->
		<property name="mediaTypes">
			<map>
				<entry key="json" value="application/json" />
				<entry key="xml" value="application/xml" />
			</map>
		</property>
		<!-- 用于开启 /userinfo/123?format=json 的支持 -->
		<property name="favorParameter" value="true"/>
		<property name="viewResolvers">
			<list>
				
			    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">
			        <property name="viewClass" value="org.springframework.web.servlet.view.JstlView"/>
			        <property name="prefix" value="/pages"/>
			        <property name="suffix" value=".jsp"/>
			    </bean>
			</list>
		</property>
		<property name="defaultViews">
			<list>
				<!-- for application/json -->
				<bean class="org.springframework.web.servlet.view.json.MappingJacksonJsonView" />
				<!-- for application/xml -->
				<!-- 
				<bean class="org.springframework.web.servlet.view.xml.MarshallingView" >
					<property name="marshaller">
						<bean class="org.springframework.oxm.xstream.XStreamMarshaller"/>
					</property>
				</bean>
				 -->
			</list>
		</property>
    </bean>
    <!-- Mapping exception to the handler view -->
    <bean id="exceptionResolver" class="org.springframework.web.servlet.handler.SimpleMappingExceptionResolver">
        <property name="exceptionMappings">
            <props>
            </props>
        </property>
    </bean>
        
</beans>

<?xml version="1.0" encoding="UTF-8"?>
<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">
	<!-- Spring ApplicationContext配置文件的路径�,可使用通配符，多个路径用�1,号分隔 此参数用于后面的Spring-Context 
		loader -->
	<context-param>
		<param-name>contextConfigLocation</param-name>
		<param-value>classpath*:spring/*.xml</param-value>
	</context-param>
	<!-- JSTL i18n定义 -->
	<context-param>
		<param-name>javax.servlet.jsp.jstl.fmt.localizationContext</param-name>
		<param-value>i18n/messages</param-value>
	</context-param>
	<!-- Character Encoding filter -->
	<filter>
		<filter-name>CharacterEncodingFilter</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>
		<init-param>
			<param-name>forceEncoding</param-name>
			<param-value>true</param-value>
		</init-param>
	</filter>
	<!-- FlashScope filter,在Flash中存储的数据,在下一次http请求中也可以继续引用,使用方法为Flash.current().error("存在错误");
	<filter>
		<filter-name>FlashFilter</filter-name>
		<filter-class>cn.org.rapid_framework.web.scope.FlashFilter</filter-class>
	</filter> -->
	<!-- LoggerMDCFilter,存放在MDC中的数据，log4j可以直接引用并作为日志信息打印出来. -->
	<filter>
		<filter-name>LoggerMDCFilter</filter-name>
		<filter-class>javacommon.filter.LoggerMDCFilter</filter-class>
	</filter>
	<!-- 浏览器不支持put,delete等method,由该filter将_method=delete转换为标准的http delete方法 -->
	<filter>
		<filter-name>HiddenHttpMethodFilter</filter-name>
		<filter-class>org.springframework.web.filter.HiddenHttpMethodFilter</filter-class>
	</filter>
	<!--Hibernate Open Session in View Filter
	<filter>
		<filter-name>openSessionInViewFilter</filter-name>
		<filter-class>org.springframework.orm.hibernate3.support.OpenSessionInViewFilter</filter-class>
	</filter> -->
	<filter-mapping>
		<filter-name>CharacterEncodingFilter</filter-name>
		<url-pattern>/*</url-pattern>
	</filter-mapping>
	<!--<filter-mapping>
		<filter-name>FlashFilter</filter-name>
		<url-pattern>/*</url-pattern>
	</filter-mapping>-->
	<filter-mapping>
		<filter-name>LoggerMDCFilter</filter-name>
		<url-pattern>/*</url-pattern>
	</filter-mapping>
	<filter-mapping>
		<filter-name>HiddenHttpMethodFilter</filter-name>
		<servlet-name>springmvc</servlet-name>
	</filter-mapping>
	<!--<filter-mapping>
		<filter-name>openSessionInViewFilter</filter-name>
		<url-pattern>/*</url-pattern>
	</filter-mapping>
	Spring ApplicationContext 载入 -->
	<listener>
		<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
	</listener>
	<!-- spring security 载入 <filter> <filter-name>springSecurityFilterChain</filter-name> 
		<filter-class>org.springframework.web.filter.DelegatingFilterProxy</filter-class> 
		</filter> <filter-mapping> <filter-name>springSecurityFilterChain</filter-name> 
		<url-pattern>/*</url-pattern> </filter-mapping> 使Spring支持request与session的scope,如:<bean 
		id="loginAction" class="com.foo.LoginAction" scope="request"/> -->
	<listener>
		<listener-class>org.springframework.web.context.request.RequestContextListener</listener-class>
	</listener>
	<!-- Spring 刷新Introspector防止内存泄露 
	<listener>
		<listener-class>org.springframework.web.util.IntrospectorCleanupListener</listener-class>
	</listener>-->
	<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>
	<servlet-mapping>
		<servlet-name>default</servlet-name>
		<url-pattern>*.js</url-pattern>
	</servlet-mapping>
	<servlet-mapping>
		<servlet-name>default</servlet-name>
		<url-pattern>*.css</url-pattern>
	</servlet-mapping>
	<servlet-mapping>
		<servlet-name>default</servlet-name>
		<url-pattern>*.jpg</url-pattern>
	</servlet-mapping>
	<servlet-mapping>
		<servlet-name>default</servlet-name>
		<url-pattern>*.gif</url-pattern>
	</servlet-mapping>
	<servlet-mapping>
		<servlet-name>default</servlet-name>
		<url-pattern>*.html</url-pattern>
	</servlet-mapping>
	<servlet-mapping>
		<servlet-name>default</servlet-name>
		<url-pattern>*.htm</url-pattern>
	</servlet-mapping>
	<servlet-mapping>
		<servlet-name>default</servlet-name>
		<url-pattern>*.xml</url-pattern>
	</servlet-mapping>
	<servlet-mapping>
		<servlet-name>default</servlet-name>
		<url-pattern>*.png</url-pattern>
	</servlet-mapping>
	<servlet-mapping>
		<servlet-name>default</servlet-name>
		<url-pattern>*.swf</url-pattern>
	</servlet-mapping>
	<servlet-mapping>
		<servlet-name>default</servlet-name>
		<url-pattern>*.zip</url-pattern>
	</servlet-mapping>
	<!-- session超时定义,单位为分钟 -->
	<session-config>
		<session-timeout>10</session-timeout>
	</session-config>
	<!-- 默认首页定义 -->
	<welcome-file-list>
		<welcome-file>index.jsp</welcome-file>
	</welcome-file-list>
	<!-- Error Page定义 -->
	<error-page>
		<error-code>500</error-code>
		<location>/commons/error.jsp</location>
	</error-page>
	<error-page>
		<error-code>404</error-code>
		<location>/commons/404.jsp</location>
	</error-page>
	<error-page>
		<error-code>403</error-code>
		<location>/commons/403.jsp</location>
	</error-page>
	<login-config>
		<auth-method>BASIC</auth-method>
	</login-config>
</web-app>

 <form action="upload" method="post" enctype="multipart/form-data">
        <table width="60%" border="1" cellspacing="0">
            <tr>
                <td width="35%"><strong>File to upload</strong></td>
                <td width="65%"><input type="file" name="file" /></td>
            </tr>
            <!-- 
            <tr>
                <td><strong>Notes</strong></td>
                <td><input type="text" name="notes" width="60" /></td>
            </tr>
             -->
            
            <tr>
                <td>&nbsp;</td>
                <td><input type="submit" name="submit" value="Add"/></td>
            </tr>
        </table>
    </form>

<?xml version="1.0" encoding="UTF-8"?>
<web-app 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_2_5.xsd"
           version="2.5">

    <context-param>
        <param-name>contextConfigLocation</param-name>
        <param-value>/WEB-INF/applicationContext.xml</param-value>
    </context-param>
	<!-- Character Encoding filter -->
	<filter>
		<filter-name>CharacterEncodingFilter</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>
		<init-param>
			<param-name>forceEncoding</param-name>
			<param-value>true</param-value>
		</init-param>
	</filter>
	<filter>
		<filter-name>HiddenHttpMethodFilter</filter-name>
		<filter-class>org.springframework.web.filter.HiddenHttpMethodFilter</filter-class>
	</filter>
	<filter-mapping>
		<filter-name>CharacterEncodingFilter</filter-name>
		<url-pattern>/*</url-pattern>
	</filter-mapping>
	<filter-mapping>
		<filter-name>HiddenHttpMethodFilter</filter-name>
		<servlet-name>dispatcher</servlet-name>
	</filter-mapping>
    <listener>
        <listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>
    </listener>
    <listener>
		<listener-class>org.springframework.web.context.request.RequestContextListener</listener-class>
	</listener>
    <servlet>
        <servlet-name>dispatcher</servlet-name>
        <servlet-class>org.springframework.web.servlet.DispatcherServlet</servlet-class>
        <load-on-startup>1</load-on-startup>
    </servlet>
    <servlet-mapping>
        <servlet-name>dispatcher</servlet-name>
        <url-pattern>/</url-pattern>
    </servlet-mapping>

    <welcome-file-list>
        <welcome-file>redirect.jsp</welcome-file>
    </welcome-file-list>
</web-app>

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans" 
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xmlns:p="http://www.springframework.org/schema/p" 
    xmlns:context="http://www.springframework.org/schema/context"
    xmlns:mvc="http://www.springframework.org/schema/mvc"
    xsi:schemaLocation="
        http://www.springframework.org/schema/beans 
        http://www.springframework.org/schema/beans/spring-beans-2.5.xsd
        http://www.springframework.org/schema/context 
        http://www.springframework.org/schema/context/spring-context-2.5.xsd
        http://www.springframework.org/schema/mvc
        http://www.springframework.org/schema/mvc/spring-mvc-3.0.xsd"
    default-autowire="byName"   >

	<!-- 开启支持@NumberFormat @DateTimeFormat @Valid标注 ,@DateTimeFormat用于bean 日期属性的格式化,请查看: http://static.springsource.org/spring/docs/3.0.2.RELEASE/spring-framework-reference/htmlsingle/spring-framework-reference.html#mvc-config-->
   <!--  <mvc:annotation-driven validator="validator"/>-->

	<!-- 自动搜索@Controller标注的类 -->
	<context:component-scan base-package="com.spring.example.web"/>
	<bean class="org.springframework.web.servlet.mvc.annotation.DefaultAnnotationHandlerMapping">
		<!-- 拦截器注册 
		<property name="interceptors">
			<bean class="javacommon.springmvc.interceptor.SharedRenderVariableInterceptor"/>
		</property>-->
	</bean>

    <bean class="org.springframework.web.servlet.mvc.annotation.AnnotationMethodHandlerAdapter"/>
	
	<bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
	<!-- set the max upload size100MB -->
		<property name="maxUploadSize">
			<value>104857600</value>
		</property>
	</bean>

    <!-- 根据客户端的不同的请求决定不同的view进行响应, 如 /blog/1.json /blog/1.xml -->
    <bean class="org.springframework.web.servlet.view.ContentNegotiatingViewResolver">
    	<property name="ignoreAcceptHeader" value="true"/>
		<property name="defaultContentType" value="text/html"/>
		
    	<!-- 扩展名至mimeType的映射,即 /user.json => application/json -->
		<property name="mediaTypes">
			<map>
				<entry key="json" value="application/json" />
				<entry key="xml" value="application/xml" />
			</map>
		</property>
		<!-- 用于开启 /userinfo/123?format=json 的支持 -->
		<property name="favorParameter" value="true"/>
		<property name="viewResolvers">
			<list>
				<bean class="org.springframework.web.servlet.view.BeanNameViewResolver" />
			    <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>
			</list>
		</property>
    </bean>
    <!-- Mapping exception to the handler view -->
    <bean id="exceptionResolver" class="org.springframework.web.servlet.handler.SimpleMappingExceptionResolver">
        <property name="exceptionMappings">
            <props>
            </props>
        </property>
    </bean>
        
</beans>

@Controller
public class FilesController{
@RequestMapping("/upload")
    public ModelAndView upload(HttpServletRequest request,
            HttpServletResponse response) throws Exception {
//这个地方能正常转换，没有报错
        MultipartHttpServletRequest multipartRequest = (MultipartHttpServletRequest) request;
        MultipartFile multipartFile = multipartRequest.getFile("file");

        Files file = new Files();
//下面可以再与逻辑
 return new ModelAndView("redirect:files");
}