private void OnUploadPictureServiceVote(HttpContext context) { context.Response.ContentType = "text/plain"; string errorMsg = ""; try { HttpFileCollection files = context.Request.Files; if (files.Count == 0) { context.Response.Write("{\"success\": false,\"message\": \"未找到任何可上传的文件,请检查!\"}"); return; } int effect = 0; UploadFilesHelper ufh = new UploadFilesHelper(); ImagesHelper ih = new ImagesHelper(); using (TransactionScope scope = new TransactionScope()) { foreach (string item in files.AllKeys) { HttpPostedFile file = files[item]; if (file == null || file.ContentLength == 0) { continue; } int fileSize = file.ContentLength; int uploadFileSize = int.Parse(WebConfigurationManager.AppSettings["UploadFileSize"]); if (fileSize > uploadFileSize) { throw new ArgumentException("文件【" + file.FileName + "】大小超出字节" + uploadFileSize + ",无法上传,请正确操作!"); } if (!UploadFilesHelper.IsFileValidated(file.InputStream, fileSize)) { throw new ArgumentException("文件【" + file.FileName + "】为受限制的文件,请正确操作!"); } string fileName = file.FileName; PictureServiceVote bll = new PictureServiceVote(); if (bll.IsExist(file.FileName, fileSize)) { throw new ArgumentException("文件【" + file.FileName + "】已存在,请勿重复上传!"); } string originalUrl = UploadFilesHelper.UploadOriginalFile(file, "PictureServiceVote"); //获取随机生成的文件名代码 string randomFolder = string.Format("{0}_{1}", DateTime.Now.ToString("MMdd"), UploadFilesHelper.GetRandomFolder("svp")); PictureServiceVoteInfo model = new PictureServiceVoteInfo(); model.FileName = VirtualPathUtility.GetFileName(originalUrl); model.FileSize = fileSize; model.FileExtension = VirtualPathUtility.GetExtension(originalUrl).ToLower(); model.FileDirectory = VirtualPathUtility.GetDirectory(originalUrl.Replace("~", "")); model.RandomFolder = randomFolder; model.LastUpdatedDate = DateTime.Now; bll.Insert(model); CreateThumbnailImage(context, ih, originalUrl, model.FileDirectory, model.RandomFolder, model.FileExtension); effect++; } scope.Complete(); } if (effect == 0) { context.Response.Write("{\"success\": false,\"message\": \"未找到任何可上传的文件,请检查!\"}"); return; } context.Response.Write("{\"success\": true,\"message\": \"已成功上传文件数:" + effect + "个\"}"); return; } catch (Exception ex) { errorMsg = ex.Message; } context.Response.Write("{\"success\": false,\"message\": \"" + errorMsg + "\"}"); }