jsp页面

<form class="form-horizontal" role="form" id="form" enctype="multipart/form-data"  action="<%=request.getContextPath()%>/userorder/form/order?" method="post" target="hidden_frame"><div ><input type="checkbox" id="orderTypes" name="orderTypes"  value="1" checked="checked" style=" width: 19px; height: 25px; padding: 0 5px 0 0;float:left; ">&nbsp;&nbsp;Symbol&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<input type="checkbox"  name="orderTypes" id="orderTypes" value="2" style=" width: 19px; height: 25px; padding: 0 5px 0 0; ">&nbsp;&nbsp;FootPrint

</div></ul><ul class="reg-box"><li><label for="">芯&nbsp;片&nbsp;名&nbsp;称&nbsp;&nbsp;</label><div class="col-md-9"> <input type="text" name="partNumber" id="partNumber" class="partnum" style="width:300px; height:35px;"style="color:#999;" onBlur="textBlur(this)" onFocus="textFocus(this)"><span class="error error0"></span><span class="default default1"></span></li><li style="list-style:none;float:center;"><label for="">文&nbsp;档&nbsp;链&nbsp;接&nbsp;&nbsp;<br>(或上传文件)</label><input type="text" name="dataSheetLink" id="dataSheetLink" class="datalink" style="width:300px; height:20px;" style="color:#999;" onBlur="textBlur(this)" onFocus="textFocus(this)">&nbsp;&nbsp;<span class="error error1"><br><label for=""></label><span class="default default2"></span> </li><div style="display:inline;"><input type="file"  id="file" name="myfiles"  class="file" style="width:300px; height:20px;" style="color:#999;" onBlur="textBlur(this)" onFocus="textFocus(this)"/>&nbsp;&nbsp;</span></div><li style="list-style:none;float:center;margin-top: 10px"><label for="">EDA&nbsp;&nbsp;&nbsp;TOOL&nbsp;&nbsp;&nbsp;</label><div class="col-md-9"><select style="width:300px; height:45px;"  style="color:#999;" id="select0" name="edaTool" ><option  value="0">--请选择--</option><option  value="1">11</option><option  value="2">22</option><option  value="3">33</option></select></div></li>         </ul><ul class="reg-box"><div class="btn"><button type="submit"  value="showmsg" >确定</button></div></ul></form><iframe name='hidden_frame' id="hidden_frame" style='display:none'></iframe>

action

 @RequestMapping(value = "/userorder/form/order", method =RequestMethod.POST)public voiduserOrderForm(HttpSession session, HttpServletRequest request,HttpServletResponse response, UserOrder userOrder,@RequestParam MultipartFile myfiles)throwsIOException {JSONObject jsonObject= null;Map<String, Object> userOrdermap = new HashMap<String, Object>();UserOrder userOrderParm= newUserOrder();HttpSession sessions=request.getSession();User usertemp= (User) sessions.getAttribute("AdminUser");User user=userService.userByName(usertemp.getUserName());userOrderParm.setUserId(user.getUserId());userOrderParm.setOrderTypes(userOrder.getOrderTypes());userOrderParm.setPartNumber(userOrder.getPartNumber());userOrderParm.setDataSheetLink(userOrder.getDataSheetLink());userOrderParm.setEdaTool(userOrder.getEdaTool());userOrderParm.setConfirmTime(newDate());Random rd= newRandom();SimpleDateFormat sdf= new SimpleDateFormat("yyyyMMddhhmmss");int num = rd.nextInt(9);String originalFilename=myfiles.getOriginalFilename();int index = originalFilename.substring(0).lastIndexOf(".");String fileType= originalFilename.substring(index + 1,originalFilename.length());String fileName= sdf.format(newjava.util.Date()).concat(String.valueOf(num)).concat(".").concat(fileType);FileOutputStream out;InputStream stream= null;String basePath= Config.getProperty("OrderUpLoadPath");stream=myfiles.getInputStream();out= new FileOutputStream(basePath + fileName, false);int byteCount = 0;byte[] bytes = new byte[1024];while ((byteCount = stream.read(bytes)) != -1) {out.write(bytes,0, byteCount);}out.flush();out.close();stream.close();userOrderParm.setUploadDataSheet("/orderfile/" +fileName);int orderSuccess =userOrderService.saveOrder(userOrderParm);if (orderSuccess == 1) {userOrdermap.put("result", 0);}else{userOrdermap.put("result", 1);userOrdermap.put("error", "用户定制失败。");}jsonObject=JSONObject.fromObject(userOrdermap);response.getWriter().print(jsonObject.toString());}

spring 的配置文件

<!-- SpringMVC上传文件时，需要配置MultipartResolver处理器 -->
<bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
<property name="defaultEncoding" value="UTF-8"/>
<!-- 指定所上传文件的总大小不能超过200KB。注意maxUploadSize属性的限制不是针对单个文件，而是所有文件的容量之和 -->
<property name="maxUploadSize" value="200000000"/>
</bean>

<!-- SpringMVC在超出上传文件限制时，会抛出org.springframework.web.multipart.MaxUploadSizeExceededException
该异常是SpringMVC在检查上传的文件信息时抛出来的，而且此时还没有进入到Controller方法中 -->
<bean id="exceptionResolver" class="org.springframework.web.servlet.handler.SimpleMappingExceptionResolver">
<property name="exceptionMappings">
<props>
<!-- 遇到MaxUploadSizeExceededException异常时，自动跳转到404页面 -->
<prop key="org.springframework.web.multipart.MaxUploadSizeExceededException">/error/404</prop>
</props>
</property>
</bean>