<!-- 配置文件上传 --><!--200*1024*1024即200M resolveLazily属性启用是为了推迟文件解析，以便捕获文件大小异常 --><bean id="multipartResolver"class="org.springframework.web.multipart.commons.CommonsMultipartResolver"><property name="maxUploadSize" value="209715200" /> <!--文件总大小--><property name="maxUploadSizePerFile" value="2097152"/> <!--单个文件总大小--><property name="defaultEncoding" value="UTF-8" /> <!--编码方式--><property name="resolveLazily" value="true" /></bean>

<!-- 定义文件上传解析器 --><bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver"><!-- 设定默认编码 --><property name="defaultEncoding" value="UTF-8"></property><!-- 设定文件上传的最大值5MB，5*1024*1024 --><property name="maxUploadSize" value="5242880"></property></bean>

 <!-- 文件上传所依赖的jar包 --><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></dependencies>

@RequestMapping("/doUpdataOne")public String doUpdataOne(One one,MultipartFile file, Model model, HttpSession session){//图片上传   if (!file.isEmpty()) {System.out.println("要上传的文件名:" + file.getOriginalFilename());String path = session.getServletContext().getRealPath("/images"); //路径try {model.addAttribute("fileName", file.getOriginalFilename());file.transferTo(new File(path, file.getOriginalFilename()));one.setOimges(file.getOriginalFilename());       //将要上传的文件保存到数据库中oneService.updataOne(one);                      //执行修改 } catch (Exception e) {e.printStackTrace();}}return "redirect:/oneAction/findOneList";    //重定向到显示窗口}