1、需要导入两个jar包
commons-fileupload-1.3.1.jar
commons-io-2.4.jar
commons-fileupload-1.3.1.jar commons-io-2.4.jar
2、在SpringMVC配置文件中加入
<!-- upload settings --> <bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver"> <property name="maxUploadSize" value="102400000"></property> </bean>
3、方法代码
@RequestMapping(value="/upload",method=RequestMethod.POST) public String upload(HttpServletRequest req) throws Exception{ MultipartHttpServletRequest mreq = (MultipartHttpServletRequest)req; MultipartFile file = mreq.getFile("file"); String fileName = file.getOriginalFilename(); SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmss"); FileOutputStream fos = new FileOutputStream(req.getSession().getServletContext().getRealPath("/")+ "upload/"+sdf.format(new Date())+fileName.substring(fileName.lastIndexOf('.'))); fos.write(file.getBytes()); fos.flush(); fos.close(); return "hello"; }
4、前台form表单
<form action="mvc/upload" method="post" enctype="multipart/form-data"> <input type="file" name="file"><br> <input type="submit" value="submit"> </form>
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