public IActionResult Post() { var files = Request.Form.Files; long size = files.Sum(f => f.Length); //size > 100MB refuse upload ! if (size > 104857600) { return(Json(Return_Helper_DG.Error_Msg_Ecode_Elevel_HttpCode("pictures total size > 100MB , server refused !"))); } var filePathResultList = new List <FileUploadFiles>(); foreach (var file in files) { var fileName = ContentDispositionHeaderValue.Parse(file.ContentDisposition).FileName.ToString().Trim('"'); var old_fileName = fileName; string filePath = hostingEnv.WebRootPath + $@"\Files\upload\"; if (!Directory.Exists(filePath)) { Directory.CreateDirectory(filePath); } string suffix = fileName.ToString().Split(".")[1]; //if (!pictureFormatArray.Contains(suffix)) //{ // return Json(Return_Helper_DG.Error_Msg_Ecode_Elevel_HttpCode("the picture format not support ! you must upload files that suffix like 'png','jpg','jpeg','bmp','gif','ico'.")); //} fileName = Guid.NewGuid() + "." + suffix; string fileFullName = filePath + fileName; using (FileStream fs = System.IO.File.Create(fileFullName)) { file.CopyTo(fs); fs.Flush(); } var ret = new FileUploadFiles() { Id = Application.EncryptionDes.Encrypt(fileFullName), FileName = old_fileName, Length = file.Length, }; filePathResultList.Add(ret); } string message = $"{files.Count} file(s) /{size} bytes uploaded successfully!"; return(Json(Return_Helper_DG.Success_Msg_Data_DCount_HttpCode(message, filePathResultList, filePathResultList.Count))); }
public IActionResult Show(string id) { string file = EncryptionDes.Decrypt(id); //file = file.Remove(0, 4); //string filePath = hostingEnv.WebRootPath + $@"\Files\upload\"; //string fileFullName = filePath + file; FileInfo tmpFile = new FileInfo(file); if (!tmpFile.Exists) { var message = "文件不存在"; return(Json(Return_Helper_DG.Error_Msg_Ecode_Elevel_HttpCode(message))); } //if (!("," + RoadFlow.Utility.Config.UploadFileType + ",").Contains("," + tmpFile.Extension.Replace(".", "") + ",", StringComparison.CurrentCultureIgnoreCase)) //{ // Response.Write("该文件类型不允许查看!"); // return; //} var stream = System.IO.File.OpenRead(tmpFile.FullName); return(File(stream, "application/vnd.android.package-archive", Path.GetFileName(tmpFile.FullName))); }