分享WCF文件傳輸完成辦法---WCFFileTransfer。本站提示廣大學習愛好者:(分享WCF文件傳輸完成辦法---WCFFileTransfer)文章只能為提供參考,不一定能成為您想要的結果。以下是分享WCF文件傳輸完成辦法---WCFFileTransfer正文
頭幾天分享了分享了WCF聊天法式--WCFChat ,本文和年夜家一路分享應用WCF完成文件的傳輸。
法式運轉後果:
吸收文件端:
發送文件端:銜接WCF辦事,選摘要傳輸的文件
文件傳輸勝利:
我們會在保留文件的默許途徑:C:\Documents and Settings\Administrator\桌面,下看到傳輸的文件:
代碼剖析:
這裡就紛歧一的論述每句代碼的感化了,感興致的同伙可以下載,文後會有下載鏈接。說下值得留意的處所:
前兩天有人在百度曉得中問能不克不及把WCF中的契約零丁封裝到一個類庫中,其時感到畫蛇添足,有意中看到把接口零丁分出去,有個很好的運用,就是應用通道完成客戶端署理。
ITransfer.cs
using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.ServiceModel; using System.Runtime.Serialization; using System.Threading; using System.IO; namespace FileInterface { [ServiceContract] public interface ITransfer { [OperationContract(Action = "UploadFile")] void TransferFile(FileTransferMessage request);//文件傳輸 } [MessageContract] public class FileTransferMessage { [MessageHeader(MustUnderstand = true)] public string SavePath;//文件保留途徑 [MessageHeader(MustUnderstand = true)] public string FileName;//文件稱號 [MessageBodyMember(Order = 1)] public Stream FileData;//文件傳輸時光 } }
應用通道創立客戶端署理:
if (_proxy == null) { try { NetTcpBinding binding = new NetTcpBinding(); binding.TransferMode = TransferMode.Streamed; binding.SendTimeout = new TimeSpan(0, 30, 0); //應用通道創立客戶端署理 _proxy = ChannelFactory<ITransfer>.CreateChannel(binding, new EndpointAddress(CBSerURL.Text)); IContextChannel obj = _proxy as IContextChannel; //string s = obj.SessionId; } catch (Exception ex) { MessageBox.Show(ex.Message); return; }
如許,既不消添加辦事援用,也不須要生成署理。
文件傳輸的函數不是很難,代碼以下:
public void TransferFile(FileTransferMessage request) { string logInfo; Program.Get_ILog().Log(logInfo = string.Format("開端吸收文件,name={0}", request.FileName));//填寫日記 //文件信息 string uploadFolder = AppValue.GetParam()._saveDir; string savaPath = request.SavePath; string fileName = request.FileName; Stream sourceStream = request.FileData; FileStream targetStream = null; //斷定文件能否可讀 if (!sourceStream.CanRead) { throw new Exception("數據流弗成讀!"); } if (savaPath == null) savaPath = @"文件傳輸\"; if (!savaPath.EndsWith("\\")) savaPath += "\\"; if (!uploadFolder.EndsWith("\\")) uploadFolder += "\\"; uploadFolder = uploadFolder + savaPath; //創立保留文件夾 if (!Directory.Exists(uploadFolder)) { Directory.CreateDirectory(uploadFolder); } int fileSize = 0; string filePath = Path.Combine(uploadFolder, fileName);//Combine歸並兩個途徑 try { //文件傳播輸 using (targetStream = new FileStream(filePath, FileMode.Create, FileAccess.Write, FileShare.None)) { //界說文件緩沖區 const int bufferLen = 4096; byte[] buffer = new byte[bufferLen]; int count = 0; while ((count = sourceStream.Read(buffer, 0, bufferLen)) > 0) { targetStream.Write(buffer, 0, count); fileSize += count; } targetStream.Close(); sourceStream.Close(); } } catch (Exception ex) { Program.Get_ILog().Log(logInfo + ex.Message); } Program.Get_ILog().Log(string.Format("吸收文件終了 name={0},filesize={1}", request.FileName, fileSize)); }
其他的代碼感興致的同伙下載來研討吧!
源代碼:WCFFileTransfer.rar