SRPING MVC 的文件上传:
XML配置
<!-- Only needed because we require fileupload in the org.springframework.samples.mvc.fileupload package --> <beans:bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver" />
JAVA代码:
@Controller @RequestMapping("/fileupload") public class FileUploadController { @ModelAttribute public void ajaxAttribute(WebRequest request, Model model) { model.addAttribute("ajaxRequest", AjaxUtils.isAjaxRequest(request)); } @RequestMapping(method=RequestMethod.GET) public void fileUploadForm() { } @RequestMapping(method=RequestMethod.POST) public void processUpload(@RequestParam MultipartFile file, Model model) throws IOException { model.addAttribute("message", "File '" + file.getOriginalFilename() + "' uploaded successfully " + file.getSize()+file.toString()); } }
日志内容:
另外,AJAX只可以接收任何形式的文本文档,无法处理二进制文件流,所以ajaxForm 在处理文件上传时使用了一个伪AJAX方法(利用隐藏的IFRAME返回文件上传结果,模拟AJAX效果实现)