private byte[] GetImageBytesFromFilePath(string fileName) { byte[] content = null; string filePath = ImageUploadHelper.GetUploadRootPath(this.RootPathName) + "Temp\\" + fileName; if (File.Exists(filePath)) { using (FileStream fs = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.Read)) { content = fs.ToBytes(); } } return(content); }
private void UploadImage() { const int FileTooLargeError = -2147467259; ObjectContextCache.Instance["FileUploadProcessed"] = true; HttpRequest request = HttpContext.Current.Request; HttpResponse response = HttpContext.Current.Response; string lockID = WebUtility.GetRequestQueryValue <string>("lockID", string.Empty); string userID = WebUtility.GetRequestQueryValue <string>("userID", string.Empty); string fileName = WebUtility.GetRequestQueryValue <string>("fileName", string.Empty); int fileMaxSize = WebUtility.GetRequestQueryValue <int>("fileMaxSize", 0); string controlID = WebUtility.GetRequestQueryValue("controlID", string.Empty); ExceptionHelper.CheckStringIsNullOrEmpty(fileName, "fileName"); try { if (fileMaxSize > 0 && request.ContentLength > fileMaxSize) { GenerateErrorInformation(string.Format("文件超过了上传大小的限制{0}字节", fileMaxSize)); } else { //不检查锁,沈峥修改 //CheckLock(lockID, userID); string uploadPath = ImageUploadHelper.GetUploadRootPath(this.RootPathName); AutoCreateUploadPath(uploadPath); string newID = UuidHelper.NewUuidString(); fileName = newID + fileName.Substring(fileName.LastIndexOf('.')); if (WebUtility.GetRequestQueryString("upmethod", "") == "new") { var dialogControlID = WebUtility.GetRequestQueryValue("dialogControlID", string.Empty); request.Files[0].SaveAs(uploadPath + @"Temp\" + fileName); string output = "<script type='text/javascript'>"; output += "window.parent.$find('" + dialogControlID + "').onUploadFinish(1)"; output += "</script>"; response.Write(output); } else if (WebUtility.GetRequestQueryString("upmethod", "") == "ue") { request.Files[0].SaveAs(uploadPath + @"Temp\" + fileName); string output = "<script type='text/javascript'>"; output += string.Format("window.parent.onUploadFinish('{0}','{1}')", newID, fileName); output += "</script>"; response.Write(output); } else { request.SaveAs(uploadPath + @"Temp\" + fileName, false); } string fileIconPath = FileConfigHelper.GetFileIconPath(fileName); response.AppendHeader("fileIconPath", HttpUtility.UrlEncode("message=" + fileIconPath)); string dateTimeNow = DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss.fff"); response.AppendHeader("lastUploadTag", "message=" + dateTimeNow); response.AppendHeader("newMaterialID", "message=" + HttpUtility.UrlEncode(newID)); } } catch (Exception ex) { string errorMessage = ex.Message; if (ex is ExternalException && ((ExternalException)(ex)).ErrorCode == FileTooLargeError && ex.Source == "System.Web") { errorMessage = "您上传的文件过大"; } GenerateErrorInformation(errorMessage); } finally { try { response.End(); } catch { } } }