/// <summary> /// 下载文件 /// </summary> /// <param name="fileName">文件路径</param> /// <param name=""></param> /// <returns>文件流</returns> public FileStream DownloadFile(string fileName) { FDFSFileInfo fileInfo = FastDFSClient.GetFileInfo(storageNode, fileName); FileStream fileStream = new FileStream(Path.GetTempFileName(), FileMode.Create); if (fileInfo.FileSize >= 1024)//如果文件大小大于1KB 分次写入 { long offset = 0; long len = 1024; while (len > 0) { byte[] buffer = new byte[len]; buffer = FastDFSClient.DownloadFile(storageNode, fileName, offset, len); fileStream.Write(buffer, 0, int.Parse(len.ToString())); fileStream.Flush(); offset = offset + len; len = (fileInfo.FileSize - offset) >= 1024 ? 1024 : (fileInfo.FileSize - offset); } return(fileStream); } else//如果文件大小小小于1KB 直接写入文件 { byte[] buffer = new byte[fileInfo.FileSize]; buffer = FastDFSClient.DownloadFile(storageNode, fileName); //FileStream fileStream = new FileStream(targetPath, FileMode.OpenOrCreate, FileAccess.Write); fileStream.Write(buffer, 0, buffer.Length); fileStream.Flush(); fileStream.Close(); return(fileStream); } }
/// <summary> /// 下载指定名称的文件 /// eg:FileName:M00/00/00/wKgAcVjI-NeAa0HyAAInn_BrY3k084.jpg /// </summary> /// <param name="param"></param> /// <returns></returns> public FileDownloadResult GetTargetFile(FileDownParameter param) { byte[] content = null; string errorMsg = string.Empty; try { //其中的base.Node为: /* * eg: * EndPoint: 192.168.0.113:23000 * GroupName:group1 * StorePathIndex:0 */ content = FastDFSClient.DownloadFile(base.Node, param.FileName); } catch (Exception ex) { errorMsg = ex.Message; } return(new FileDownloadResult() { Content = content, ErrorMessage = errorMsg }); }
/// <summary> /// 下载文件 /// </summary> /// <param name="fileName">文件路径</param> /// <param name=""></param> /// <returns>文件流</returns> public byte[] DownloadFileByte(string fileName) { FDFSFileInfo fileInfo = FastDFSClient.GetFileInfo(storageNode, fileName); byte[] buffer = new byte[fileInfo.FileSize]; buffer = FastDFSClient.DownloadFile(storageNode, fileName); FileStream fs = new FileStream("D://down123.png", FileMode.Create, FileAccess.Write); fs.Write(buffer, 0, buffer.Length); fs.Flush(); fs.Close(); return(buffer); }
static void Main(string[] args) { //===========================Initial======================================== List <IPEndPoint> trackerIPs = new List <IPEndPoint>(); IPEndPoint endPoint = new IPEndPoint(IPAddress.Parse("10.0.21.101"), 22122); trackerIPs.Add(endPoint); ConnectionManager.Initialize(trackerIPs); StorageNode node = FastDFSClient.GetStorageNode(); //===========================UploadFile===================================== byte[] content = null; string filename = @"D:\软件开发\OS\FastDFS\file\4.jpg"; if (File.Exists(filename)) { FileStream streamUpload = new FileStream(filename, FileMode.Open); using (BinaryReader reader = new BinaryReader(streamUpload)) { content = reader.ReadBytes((int)streamUpload.Length); } } //string fileName = FastDFSClient.UploadAppenderFile(node, content, "mdb"); string fileName = FastDFSClient.UploadFile(node, content, "jpg"); FastDFSClient.DownloadFileEx(node, fileName, @"D:\软件开发\OS\FastDFS\file", "5.jpg"); Console.ReadKey(); //===========================BatchUploadFile===================================== string[] _FileEntries = Directory.GetFiles(@"E:\fastimage\三维", "*.jpg"); DateTime start = DateTime.Now; foreach (string file in _FileEntries) { string name = Path.GetFileName(file); content = null; FileStream streamUpload = new FileStream(file, FileMode.Open); using (BinaryReader reader = new BinaryReader(streamUpload)) { content = reader.ReadBytes((int)streamUpload.Length); } //string fileName = FastDFSClient.UploadAppenderFile(node, content, "mdb"); fileName = FastDFSClient.UploadFile(node, content, "jpg"); } DateTime end = DateTime.Now; TimeSpan consume = ((TimeSpan)(end - start)); double consumeSeconds = Math.Ceiling(consume.TotalSeconds); //===========================QueryFile======================================= fileName = "M00/00/00/wKhR6U__-BnxYu0eAxRgAJZBq9Q180.mdb"; FDFSFileInfo fileInfo = FastDFSClient.GetFileInfo(node, fileName); Console.WriteLine(string.Format("FileName:{0}", fileName)); Console.WriteLine(string.Format("FileSize:{0}", fileInfo.FileSize)); Console.WriteLine(string.Format("CreateTime:{0}", fileInfo.CreateTime)); Console.WriteLine(string.Format("Crc32:{0}", fileInfo.Crc32)); //==========================AppendFile======================================= FastDFSClient.AppendFile("group1", fileName, content); FastDFSClient.AppendFile("group1", fileName, content); //===========================DownloadFile==================================== fileName = "M00/00/00/wKhR6U__-BnxYu0eAxRgAJZBq9Q180.mdb"; byte[] buffer = FastDFSClient.DownloadFile(node, fileName, 0L, 0L); if (File.Exists(@"D:\SZdownload.mdb")) { File.Delete(@"D:\SZdownload.mdb"); } FileStream stream = new FileStream(@"D:\SZdownload.mdb", FileMode.CreateNew); using (BinaryWriter write = new BinaryWriter(stream, Encoding.BigEndianUnicode)) { write.Write(buffer); write.Close(); } stream.Close(); //===========================RemoveFile======================================= FastDFSClient.RemoveFile("group1", fileName); //===========================Http测试,流读取======================================= string url = "http://img13.360buyimg.com/da/g5/M02/0D/16/rBEDik_nOJ0IAAAAAAA_cbJCY-UAACrRgMhVLEAAD-J352.jpg"; System.Net.HttpWebRequest req = (System.Net.HttpWebRequest)System.Net.HttpWebRequest.Create(url); System.Net.HttpWebResponse res = (System.Net.HttpWebResponse)req.GetResponse(); Image myImage = Image.FromStream(res.GetResponseStream()); myImage.Save("c:\\fast.jpg");//保存 //===========================Http测试,直接下载======================================= WebClient web = new WebClient(); web.DownloadFile("http://img13.360buyimg.com/da/g5/M02/0D/16/rBEDik_nOJ0IAAAAAAA_cbJCY-UAACrRgMhVLEAAD-J352.jpg", "C:\\abc.jpg"); web.DownloadFile("http://192.168.81.233/M00/00/00/wKhR6VADbNr5s7ODAAIOGO1_YmA574.jpg", "C:\\abc.jpg"); Console.WriteLine("Complete"); Console.Read(); }
public byte[] GetFile(string fileID) { return(FastDFSClient.DownloadFile(storageNode, fileID)); }
static void Main(string[] args) { //===========================Initial======================================== List <IPEndPoint> trackerIPs = new List <IPEndPoint>(); IPEndPoint endPoint = new IPEndPoint(IPAddress.Parse("192.168.81.233"), 22122); trackerIPs.Add(endPoint); ConnectionManager.Initialize(trackerIPs); StorageNode node = FastDFSClient.GetStorageNode("group1"); //===========================UploadFile===================================== byte[] content = null; if (File.Exists(@"D:\材料科学与工程基础.doc")) { FileStream streamUpload = new FileStream(@"D:\材料科学与工程基础.doc", FileMode.Open); using (BinaryReader reader = new BinaryReader(streamUpload)) { content = reader.ReadBytes((int)streamUpload.Length); } } //string fileName = FastDFSClient.UploadAppenderFile(node, content, "mdb"); //主文件 string fileName = FastDFSClient.UploadFile(node, content, "doc"); //UploadFileByName //string fileName = FastDFSClient.UploadFileByName(node, @"D:\材料科学与工程基础.doc"); //从文件 string slavefileName = FastDFSClient.UploadSlaveFile("group1", content, fileName, "-part1", "doc"); //===========================BatchUploadFile===================================== string[] _FileEntries = Directory.GetFiles(@"E:\fastimage\三维", "*.jpg"); DateTime start = DateTime.Now; foreach (string file in _FileEntries) { string name = Path.GetFileName(file); content = null; FileStream streamUpload = new FileStream(file, FileMode.Open); using (BinaryReader reader = new BinaryReader(streamUpload)) { content = reader.ReadBytes((int)streamUpload.Length); } //string fileName = FastDFSClient.UploadAppenderFile(node, content, "mdb"); fileName = FastDFSClient.UploadFile(node, content, "jpg"); } DateTime end = DateTime.Now; TimeSpan consume = ((TimeSpan)(end - start)); double consumeSeconds = Math.Ceiling(consume.TotalSeconds); //===========================QueryFile======================================= fileName = "M00/03/80/wKhR6VAhwA72jCDyAABYAMjfFsM288.doc"; FDFSFileInfo fileInfo = FastDFSClient.GetFileInfo(node, fileName); Console.WriteLine(string.Format("FileName:{0}", fileName)); Console.WriteLine(string.Format("FileSize:{0}", fileInfo.FileSize)); Console.WriteLine(string.Format("CreateTime:{0}", fileInfo.CreateTime)); Console.WriteLine(string.Format("Crc32:{0}", fileInfo.Crc32)); //==========================AppendFile======================================= FastDFSClient.AppendFile("group1", fileName, content); FastDFSClient.AppendFile("group1", fileName, content); //===========================DownloadFile==================================== fileName = "M00/00/00/wKhR6VAAAN7J2FLQAABYAMjfFsM849.doc"; string localName = @"D:\SZdownload.doc"; if (File.Exists(@"D:\SZdownload.doc")) { File.Delete(@"D:\SZdownload.doc"); } if (fileInfo.FileSize >= 1024)//如果文件大小大于1KB 分次写入 { FileStream fs = new FileStream(localName, FileMode.OpenOrCreate, FileAccess.Write); //string name_ = LocalName.Substring(LocalName.LastIndexOf("\\") + 1, LocalName.Length - LocalName.LastIndexOf("\\") - 1); long offset = 0; long len = 1024; while (len > 0) { byte[] buffer = new byte[len]; buffer = FastDFSClient.DownloadFile(node, fileName, offset, len); fs.Write(buffer, 0, int.Parse(len.ToString())); fs.Flush(); // setrichtext(name_ + "已经下载:" + (offset / fileInfo.FileSize) + "%"); offset = offset + len; len = (fileInfo.FileSize - offset) >= 1024 ? 1024 : (fileInfo.FileSize - offset); } fs.Close(); } else//如果文件大小小小于1KB 直接写入文件 { byte[] buffer = new byte[fileInfo.FileSize]; buffer = FastDFSClient.DownloadFile(node, fileName); FileStream fs = new FileStream(localName, FileMode.OpenOrCreate, FileAccess.Write); fs.Write(buffer, 0, buffer.Length); fs.Flush(); fs.Close(); } //byte[] buffer = FastDFSClient.DownloadFile(node, fileName, 0L, 0L); //if (File.Exists(@"D:\SZdownload.mdb")) // File.Delete(@"D:\SZdownload.mdb"); //FileStream stream = new FileStream(@"D:\SZdownload.mdb", FileMode.CreateNew); //using (BinaryWriter write = new BinaryWriter(stream, Encoding.BigEndianUnicode)) //{ // write.Write(buffer); // write.Close(); //} //stream.Close(); //===========================RemoveFile======================================= //FastDFSClient.RemoveFile("group1", fileName); //===========================Http测试,流读取======================================= string url = "http://img13.360buyimg.com/da/g5/M02/0D/16/rBEDik_nOJ0IAAAAAAA_cbJCY-UAACrRgMhVLEAAD-J352.jpg"; System.Net.HttpWebRequest req = (System.Net.HttpWebRequest)System.Net.HttpWebRequest.Create(url); System.Net.HttpWebResponse res = (System.Net.HttpWebResponse)req.GetResponse(); Image myImage = Image.FromStream(res.GetResponseStream()); myImage.Save("c:\\fast.jpg");//保存 //===========================Http测试,直接下载======================================= using (WebClient web = new WebClient()) { web.DownloadFile("http://img13.360buyimg.com/da/g5/M02/0D/16/rBEDik_nOJ0IAAAAAAA_cbJCY-UAACrRgMhVLEAAD-J352.jpg", "C:\\abc.jpg"); web.DownloadFile("http://192.168.81.233/M00/00/00/wKhR6VADbNr5s7ODAAIOGO1_YmA574.jpg", "C:\\abc.jpg"); } //===========================防盗链请求======================================= start = new DateTime(1970, 1, 1); end = DateTime.Now; consume = (TimeSpan)(end - start); int ts = (int)(consume.TotalSeconds); string pwd = FastDFS.Client.Util.GetToken("M00/03/81/wKhR6VAh0sfyH0AxAABYAMjfFsM301-part1.doc", ts, "FastDFS1qaz2wsxsipsd"); string anti_steel_url = "http://192.168.81.233/M00/03/81/wKhR6VAh0sfyH0AxAABYAMjfFsM301-part1.doc?token=" + pwd + "&ts=" + ts; string url1 = "http://192.168.81.233/M00/01/E0/wKhR6VANJBiInHb5AAClVeZnxGg341.pdf"; using (WebClient web = new WebClient()) { web.DownloadFile(anti_steel_url, "C:\\salve.doc"); } Console.WriteLine("Complete"); Console.Read(); }