文件上传
1.需要导入两个jar包
2.在SpringMVC配置文件中加入
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<!-- upload settings --><bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver"> <property name="maxUploadSize" value="102400000"></property></bean> |
3.方法代码
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@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
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<form action="mvc/upload" method="post" enctype="multipart/form-data"> <input type="file" name="file"><br> <input type="submit" value="submit"></form> |