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為什么我什么都配置好了，就是接收不到來自multipart/form-data的<form>參數(shù)？
這是jsp：

<body>
    <form action="/save" method="post" enctype="multipart/form-data">
        <input type="file" name="file">
        <input type="submit"/>
    </form>
</body>

這是springmvc配置文件:

   <bean id="commonsMultipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
        <property name="defaultEncoding" value="utf-8"></property>
        <property name="maxUploadSize" value="10485760000"></property>
        <property name="maxInMemorySize" value="40960"></property>
    </bean>

    <!-- 掃描路徑 -->
    <context:component-scan base-package="cn.liangjiateng.controller"/>
    <context:component-scan base-package="cn.liangjiateng.service"/>
    <mvc:annotation-driven/>
    <!-- 視圖層配置 -->
    <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver"
          id="internalResourceViewResolver">
        <!-- 前綴 -->
        <property name="prefix" value="/WEB-INF/jsp/" />
        <!-- 后綴 -->
        <property name="suffix" value=".jsp" />
    </bean>

這是controller：

  @RequestMapping(value = "/save",method = RequestMethod.POST)
    public String save(@RequestParam("file") MultipartFile file, HttpServletRequest request){
        System.out.println(file.getOriginalFilename());
     
        return "upload";
    }

然后就報錯：

求解，搞了好久

 <bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">  <property name="maxUploadSize" value="200000000"/> </bean>