public class FileOperate { SQLServerDAL.TB_FILE fileSQL = new SQLServerDAL.TB_FILE(); Entity.TB_FILE fileEntity = new Entity.TB_FILE();//文件实体 PDFOperate PDFoperate = new PDFOperate(); private BLL.ManageSys.ftp ftpClient = new ftp(); private static readonly string WebFileTempStation = WebConfigurationManager.AppSettings["WebFileTempStation"]; //中转站路径 private static readonly string FtpUri = WebConfigurationManager.AppSettings["FtpUri"];//ftp 地址 // private BLL.ManageSys.FileOperate B_File = new BLL.ManageSys.FileOperate(); /// <summary> /// 上传文件，并返回文件在数据库中的存储id，若没有要上传的文件，返回-1 /// 文件的显示名称为filename /// 文件的存储名称为filename（去后缀）+日期（YYYYMMDD）+ 部门编码，如：各种注册码201211271300， /// 其中“各种注册码”是去掉后缀文件名称，而20121127是日期，1300是部门编码 /// 文件路径为完整路径去掉文件名（带后缀的）， /// 如：D\审计处\ /// </summary> /// <param name="fileUpload">文件上传控件</param> /// <param name="strDirectory">相对应用程序所在文件的根目录的路径， /// 如：应用程序（页面）所在路径为：E:Projections of xaprojectionsFASMSSSpecialExpense，则根目录为"MSS"，若要在MSS下新建文件夹“审计处” /// 则应输入"审计处" /// 若在根目录下新建多级文件夹，则，格式类似;“审计处\经济责任审核”</param> /// <param name="filename">文件名称，如：test.txt</param> /// <param name="code">部门编码，若不用可为空</param> /// <returns></returns> public decimal UploadFile(FileUpload fileUpload, string strDirectory, string fileName ,decimal deptCode ) { if (fileUpload.HasFile) { string name = fileUpload.PostedFile.FileName;//获取文件名称 int index = fileName.LastIndexOf(".");//filename string lastName = fileName.Substring(index, fileName.Length - index);//文件后缀 包含. 起始位置 如.doc string firstName = fileName.Substring(0, index);//文件除后缀之外的字符串 string internalName = firstName + DateTime.Now.ToString("yyyyMMddhhmmss") + deptCode.ToString() + lastName;//新文件名 = 文件名+yyyymmdd+部门编码 string internalNameWithOutLastname = internalName.Substring(0, internalName.LastIndexOf(".")); //MapPath("/")获得应用程序根目录所在的位置，如 E:Projections of xaprojectionsFASMSS if (!Directory.Exists(WebFileTempStation + strDirectory)) { Directory.CreateDirectory(WebFileTempStation + strDirectory); } //上传到中转站 fileUpload.SaveAs(WebFileTempStation + strDirectory + "\" + internalName); //creat ftp dir string []ftpdirs = strDirectory.Split(new char []{'\'}); string uri = new Uri(FtpUri).ToString(); foreach (string ftpdir in ftpdirs) { if ("" != ftpdir) { uri += ftpdir + "/"; } } if (!ftpClient.DirectoryExist(uri)) { Uri UriPath = new Uri(FtpUri + "PartyOrganization(党组织管理系统)/"); ftpClient.MakeMutiDir(strDirectory,UriPath); } //上传到ftp ftpClient.UploadFile(WebFileTempStation + strDirectory + "\" + internalName, new Uri(FtpUri+"PartyOrganization(党组织管理系统)/" + strDirectory + ""), 0, WebRequestMethods.Ftp.UploadFile); fileEntity.rounte = strDirectory;//相对文件中转站的文件路径，不包括文件名 如 党组织入党申请 fileEntity.outerName = fileName;//显示名称 带后缀的 fileEntity.internalName = internalName;//内部名称，即存储名称 带后缀的 fileEntity.time = DateTime.Now.Date;//日期 fileEntity.deptcode = deptCode;//部门编号 //ym 上传的时候即转一份pdf 加 水印 if (lastName.ToLower() == ".doc" || lastName.ToLower() == ".docx") { PDFoperate.ConvertWordToPdf(WebFileTempStation + strDirectory + "\" + internalName, WebFileTempStation + strDirectory + "\" + internalNameWithOutLastname + ".pdf"); } string pdfFullName = WebFileTempStation + strDirectory + "\" + internalNameWithOutLastname + ".pdf"; FileInfo pdffile = new FileInfo(pdfFullName); // 如果存在pdf 则为全路径 if (pdffile.Exists)//存在pdf的话加水印 { //while (!PDFoperate.CheckFileIsUse(pdfFullName)) //{ // System.Threading.Thread.Sleep(10); //} string str = ""; PDFoperate.AddTextWaterMark(WebFileTempStation + strDirectory + "\" + internalNameWithOutLastname + ".pdf", ref str, DateTime.Now.ToString()); //上传到ftp ftpClient.UploadFile(WebFileTempStation + strDirectory + "\" + internalNameWithOutLastname + ".pdf", new Uri(FtpUri+"PartyOrganization(党组织管理系统)/" + strDirectory + ""), 0, WebRequestMethods.Ftp.UploadFile); } deleteFileMid(strDirectory + "\" + internalName);//delete tempfile deleteFileMid(strDirectory + "\" + internalNameWithOutLastname + ".pdf");//delete temp pdf return fileSQL.Add(fileEntity); } else return -1;// } // public string getupName(string path) { return path.Substring(0, path.LastIndexOf(@"")); } /// <summary> /// /// </summary> /// <param name="fileName">相对中转站本系统根目录路径 如D;Cdangzuzhiddd 后面的 dangzuzhiddd </param> public void deleteFileMid(string fileName) { try { System.IO.File.Delete(WebFileTempStation + fileName); } catch { } } /// <summary> /// 文件浏览/下载 /// </summary> /// <param name="response">Response对象</param> /// <param name="fileId">指定要删除的文件id</param> /// <param name="fileName">文件名称,若filename不为空，则下载时显示的文件名称为filename，否则为默认的显示名称</param> /// <returns></returns> public bool DownLoadFile(HttpResponse response, decimal fileId, string fileName) { Entity.TB_FILE DownloadEntity = new Entity.TB_FILE();//文件实体 string FullFileName = "";//完整路径 string strFilename = "";//显示名称 string rounte = "";//路径 DownloadEntity = fileSQL.GetModel(fileId); if (DownloadEntity != null) { rounte = DownloadEntity.rounte;//文件路径 相对中专站路径 if (fileName == "") { fileName = DownloadEntity.outerName; } // 从ftp 下载到 中转站 ftpClient.Download(DownloadEntity.rounte,DownloadEntity.rounte+ @"" + DownloadEntity.internalName,new Uri(FtpUri+"PartyOrganization(党组织管理系统)/"));// ftpClient.Download(DownloadEntity.rounte, DownloadEntity.rounte + @"" + DownloadEntity.internalName.ToString().Substring(0, DownloadEntity.internalName.LastIndexOf(".")) + ".pdf" , new Uri(FtpUri+"PartyOrganization(党组织管理系统)/"));//pdf //从中转站下载到本地 //ym 下载为pdf string filenamePDF = fileName.Substring(0, fileName.LastIndexOf(".")) + ".pdf"; string pdfName = DownloadEntity.internalName.ToString().Substring(0, DownloadEntity.internalName.LastIndexOf("."))+".pdf";//下载pdf用的。 FullFileName = WebFileTempStation+ rounte + "\" + pdfName; //pdf文件的全名 从中转站下载 FileInfo DownloadFile = new FileInfo(FullFileName); //源文件是非word或pdf的 就下载源文件 string FullFileName2 = WebFileTempStation + rounte + "\" + DownloadEntity.internalName; FileInfo DownloadFile2 = new FileInfo(FullFileName2); if (DownloadFile.Exists) //ym 下载为pdf { response.Clear(); response.ClearHeaders(); response.Buffer = false; response.ContentType = "application/octet-stream"; strFilename = HttpUtility.UrlEncode(System.Text.UTF8Encoding.UTF8.GetBytes(filenamePDF));//ManageSysSystem.Text.Encoding.ASCII //strFilename = HttpUtility.UrlEncode(fileName, System.Text.Encoding.ASCII); // response.AddHeader("content-type", "application/x-msdownload"); response.AppendHeader("Content-Disposition", "attachment;filename=" + strFilename);//strFilename是保存时要显示的名称 response.AppendHeader("Content-Length", DownloadFile.Length.ToString()); response.WriteFile(DownloadFile.FullName); response.Flush(); // response.End();//我用的时候，加上End（）会报异常，所以我给注释掉了 deleteFileMid(rounte + "\" + DownloadEntity.internalName);//delete tempfile deleteFileMid(rounte + "\" + DownloadEntity.internalName.ToString().Substring(0, DownloadEntity.internalName.LastIndexOf(".")) + ".pdf");//delete tempfile pdf return true; } else if (DownloadFile2.Exists) //源文件是非word或pdf的 就下载源文件 { response.Clear(); response.ClearHeaders(); response.Buffer = false; response.ContentType = "application/octet-stream"; strFilename = HttpUtility.UrlEncode(System.Text.UTF8Encoding.UTF8.GetBytes(fileName));//ManageSysSystem.Text.Encoding.ASCII //strFilename = HttpUtility.UrlEncode(fileName, System.Text.Encoding.ASCII); //response.AddHeader("content-type", "application/x-msdownload"); response.AppendHeader("Content-Disposition", "attachment;filename=" + strFilename);//strFilename是保存时要显示的名称 response.AppendHeader("Content-Length", DownloadFile2.Length.ToString()); response.WriteFile(DownloadFile2.FullName); response.Flush(); // response.End();//我用的时候，加上End（）会报异常，所以我给注释掉了 deleteFileMid(rounte + "\" + DownloadEntity.internalName);//delete tempfile deleteFileMid(rounte + "\" + DownloadEntity.internalName.ToString().Substring(0, DownloadEntity.internalName.LastIndexOf(".")) + ".pdf");//delete tempfile pdf return true; } else { //文件不存在 return false; } } else return false; } /// <summary> /// 删除服务器上指定的文件 /// </summary> /// <param name="id">指定要删除文件的id</param> /// <returns></returns> public bool DeleteFile(decimal fileId) { Entity.TB_FILE DetelefileEntity = new Entity.TB_FILE();//文件实体 DetelefileEntity = fileSQL.GetModel(fileId); if (DetelefileEntity != null) { string fileName = DetelefileEntity.rounte + "\" + DetelefileEntity.internalName; try { System.IO.File.Delete(System.Web.HttpContext.Current.Server.MapPath("/") + fileName); fileSQL.Delete(fileId);//删除数据库中的记录 return true; } catch { return false; } } else { return false;//不存在该记录 } } /// <summary> /// 获得File的实体 /// </summary> /// <param name="id"></param> /// <returns></returns> public Entity.TB_FILE getFileEntity(decimal id) { return fileSQL.GetModel(id); } /// <summary> /// 根据id更新文件 /// </summary> /// <param name="fileUpload"></param> /// <param name="id">要更新的文件的id</param> /// <returns></returns> public bool UpdateFile(FileUpload fileUpload, decimal id) { fileEntity = fileSQL.GetModel(id); if (fileEntity != null && fileUpload.HasFile) { string fileName = fileEntity.rounte + "\" + fileEntity.internalName; try { System.IO.File.Delete(System.Web.HttpContext.Current.Server.MapPath("/") + fileName); if (!Directory.Exists(System.Web.HttpContext.Current.Server.MapPath("/") + "\" + fileEntity.rounte)) { Directory.CreateDirectory(System.Web.HttpContext.Current.Server.MapPath("/") + "\" + fileEntity.rounte); } fileUpload.SaveAs(System.Web.HttpContext.Current.Server.MapPath("/") + "\" + fileEntity.rounte + "\" + fileEntity.internalName); return true; } catch { return false; } } else { return false;//不存在该记录 } } }