FileOperate（个人资料）

 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
            }
        }

    }