SpringMVC配置文件：
1 <bean id="multipartResolver"
2 class="org.springframework.web.multipart.commons.CommonsMultipartResolver">
3 <!-- 上传文件大小上限，单位为字节（10MB） -->
4 <property name="maxUploadSize">
5 <value>10485760</value>
6 </property>
7 <!-- 请求的编码格式，必须和jSP的pageEncoding属性一致，以便正确读取表单的内容，默认为ISO-8859-1 -->
8 <property name="defaultEncoding">
9 <value>UTF-8</value>
10 </property>
11 </bean>
前端：
1 <form action="upload" enctype="multipart/form-data" method="post">
2 <table>
3 <tr>
4 <td>文件描述:</td>
5 <td><input type="text" name="description"></td>
6 </tr>
7 <tr>
8 <td>请选择文件:</td>
9 <td><input type="file" name="file"></td>
10 </tr>
11 <tr>
12 <td><input type="submit" value="上传"></td>
13 </tr>
14 </table>
15 </form>
Controller：
1 @RequestMapping(value="upload",method = RequestMethod.POST)
2 @ResponseBody
3 public String upload(@RequestParam("file")MultipartFile mf, HttpServletRequest request) {
4 JSONObject json = new JSONObject();
5 json.put("code", 0);
6 json.put("msg", "上传图片成功！请编辑并保存模板。");
7 String uuid = UUID.randomUUID().toString().replace("-", "").toLowerCase();
8 String path = request.getServletContext().getRealPath("upload");
9 File file = new File(path, uuid + mf.getOriginalFilename().substring(mf.getOriginalFilename().lastIndexOf('.')));
10 json.put("data", file.getName());
11 //上传文件
12 try {
13 mf.transferTo(file);
14 } catch (IllegalStateException | IOException e) {
15 e.printStackTrace();
16 json.put("code", -1);
17 json.put("msg", e.getMessage());
18 }
19 return json.toString();
20 }