①不能再使用request.getparameters()方法,否则保错
②fi.getname获得的表单项名字,通过普通表单提交的getgetparameters同样也能获得;如果单纯是获得名字,就没必要使用fileupload了
③注意表单项集合(list)的获取,细心不要出错;
ServletInputStream in = request.getInputStream(); DiskFileItemFactory dif=new DiskFileItemFactory(); ServletFileUpload sfu=new ServletFileUpload(dif); String f = null; FileItem fi = null; String id = null; try { List<FileItem> fileItem = sfu.parseRequest(request); FileItem idItem = fileItem.get(0); id = idItem.getString(); fi = fileItem.get(1); f=this.getServletContext().getRealPath("/WEB-INF/uploads")+"/"+fi.getName(); ImageUtil.readBin2Image(fi.getInputStream(), f); } catch (FileUploadException e) { // TODO 自动生成的 catch 块 e.printStackTrace(); } |