asp.net通過單表實現多檔案上傳代碼

代碼如下

複製代碼

#region    上傳檔案到資料庫和伺服器         public void FN_UpFiles()         {             //遍曆File表單元素             HttpFileCollection files = HttpContext.Current.Request.Files;             try             {                 for (int iFile = 0; iFile < files.Count; iFile++)                 {                     //檢查副檔名字                     HttpPostedFile postedFile = files[iFile];                     string fileName = "";//定義檔案名稱                     //string fileExtension = "";                     fileName = Path.GetFileName(postedFile.FileName);//得到上傳檔案的完整名稱 即檔案名稱+尾碼名                     int index = fileName.IndexOf(".");                     string FileType = fileName.Substring(index).ToLower();//截取檔案尾碼名                     //FileTypeImg = "../FileTypeimg/" + hz + ".gif";                     Guid fileGuid = Guid.NewGuid();//產生新的檔案名稱 以GUID命名防止檔案名稱相同                     string NewFileName = fileGuid.ToString();//新的檔案名稱                     NewFileName = NewFileName + FileType;//新的檔案名稱+尾碼名                     if (postedFile.ContentLength > 2097151 * 1024)//判斷是否大於設定檔中的上傳檔案大小                     {                         Page.RegisterStartupScript("提示", "<script language='javascript'>alert('對不起您的上傳資源過大!');return;</script>");                         return;                     }                     else                     {                         if (fileName != "")//如果檔案名稱不為空白                         {                             try                             {                                 //檔案虛擬路徑                                 string strpath = System.Web.HttpContext.Current.Server.MapPath("~/Upload/") + NewFileName;                                 try                                 {                                     NRModel.File model = new NRModel.File();                                     NRBLL.File bf = new NRBLL.File();                                     Guid guid1 = Guid.NewGuid();                                     Guid guid2 = new Guid(FolderId);                                     Guid guid3 = Guid.NewGuid();                                     Guid guid4 = Guid.NewGuid();                                     model.Fileid = guid1;                                     model.Folderid = guid2;                                     model.Filepath = strpath;                                     model.FileNam = fileName;                                     model.FileSize = postedFile.ContentLength;                                     model.Decription = TextArea1.Value.ToString();                                     model.CreateOn = DateTime.Now;                                     model.CreateBy = guid3;                                     model.ModefyBy = guid4;                                     if (bf.FN_AddNewRes(model) > 0)                                     {                                         NR.Error.Log.LogType("上傳資源" + fileName + "成功!" + "伺服器路徑:" + strpath);                                         //儲存檔案到指定目錄(虛擬目錄)                                         postedFile.SaveAs(System.Web.HttpContext.Current.Server.MapPath("~/Upload/") + NewFileName);                                         //Page.RegisterStartupScript("提示", "<script language='javascript'>alert('上傳成功!');self.opener.location.reload();window.close();</script>");                                         AlertMsg("上傳成功!");                                     }                                 }                                 catch (Exception ex)                                 {                                     NR.Error.Log.LogType(ex.ToString());                                 }                             }                             catch (Exception ex)                             {                                 NR.Error.Log.LogType(ex.ToString());                             }                         }                         else                         {                             Response.Write("上傳檔案不可為空!");                             NR.Error.Log.LogType("檔案不可為空!");                         }                     }                 }             }             catch (System.Exception ex)             {                 NR.Error.Log.LogType(ex.ToString());             }         }         #endregion