SpringMVC进行文件上传

<dependency>
      <groupId>commons-fileupload</groupId>
      <artifactId>commons-fileupload</artifactId>
      <version>1.3.1</version>
    </dependency>
    <dependency>
      <groupId>commons-io</groupId>
      <artifactId>commons-io</artifactId>
      <version>2.4</version>
    </dependency>

<bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
        <property name="maxUploadSize" value="10485760" />
    </bean>

form action="fileupload" method="post" enctype="multipart/form-data">
    选择文件：<input type="file" name="upload" /><br/>
    <input type="submit" value="上传" />
</form>

@RequestMapping("fileupload")
    public String fileuoload(HttpServletRequest request, MultipartFile upload) throws Exception {
        System.out.println("springmvc文件上传...");
 
        // 使用fileupload组件完成文件上传
        // 上传的位置
        String path = request.getSession().getServletContext().getRealPath("/uploads/");
        // 判断，该路径是否存在
        File file = new File(path);
        if(!file.exists()){
            // 创建该文件夹
            file.mkdirs();
        }
 
        // 说明上传文件项
        // 获取上传文件的名称
        String filename = upload.getOriginalFilename();
        // 把文件的名称设置唯一值，uuid
        String uuid = UUID.randomUUID().toString().replace("-", "");
        filename = uuid+"_"+filename;
        // 完成文件上传
        upload.transferTo(new File(path,filename));
 
        return "success";
    }