out.write(buff, 0, len);commons-fileupload maven v1.2.2 官方版,}throws ServletException, IOException {String uuidname = request.getParameter(“filename”);commons,forward(request, response);request.setAttribute(“message”, “下载资源不存在”);File f = new File(savePath + “\\” + uuidname);int dir1 = filename.hashCode() & 0x0f;+ “\\” + dir1 + “\\” + dir2;// 确定文件的保存位置commons-fileupload.jar是maven中的实现文件上传的控制大小的组件 ...