使用Spring CommonsMultipartResolver 上传文件
可以在controller(spring mvc) 或者 action (struts mvc)
中直接使用CommonsMultipartResolver
private String upload(HttpServletRequest request){ String path = ""; String pathSum = ""; CommonsMultipartResolver commonsMultipartResolver = new CommonsMultipartResolver(request.getSession().getServletContext()); if (commonsMultipartResolver.isMultipart(request)){ MultipartHttpServletRequest multipartRequest =(MultipartHttpServletRequest)request; Iterator iter = multipartRequest.getFileNames();// 格式大概是{files=[文件对象,文件对象]} while (iter.hasNext()) { List<MultipartFile> listFile = multipartRequest.getFiles(iter.next().toString());// 如果是多个input,则靠iter遍历,若一个input选择了多个文件,则靠这个listfile去遍历 for (int i = 0; i < listFile.size(); i++) { String fileName = Utils.getuuid() + listFile.get(i).getOriginalFilename().substring(listFile.get(i).getOriginalFilename().lastIndexOf(".")); path = context.getRealPath("/upload") + "/" + fileName; pathSum += (path + ","); File f=new File(path); try { listFile.get(i).transferTo(f); } catch (IOException e) { e.printStackTrace(); } } } pathSum = pathSum.substring(0,pathSum.length()-1);// 去掉最后一个逗号 } return pathSum; }
可以在spring配置文件中配置
<!-- 支持上传文件 -->
<bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver"> <property name="maxUploadSize" value="419430400"/>
<property name="defaultEncoding" value="UTF-8"/>
</bean>
jsp code
<form id=”fileUploadForm” method=”post” action=”XXX.do?method=fileUpload” enctype=”multipart/form-data”>
<tr>
<td>File:</td>
<td><input type=”file” name=”file” multiple="multiple"></td>
</tr>
<tr>
<td><input type=”hidden” name=”fileOwner” value=”1002″/></td>
<td><input type=”submit” value=”submit”></td>
</tr>
</form>
发布者:songJian 点击数:1817 发布时间:2017-06-28 05:39:07 更新时间:2017-12-14 21:00:45
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