通过内置Web服务将文件上载到SharePoint

   static void Main(string[] args)

   {

       string url = "http://your-sharepoint-site-url";

       string listName = "Documents";

       string fileName = "example.txt";

       string filePath = @"C:\example.txt";

       byte[] fileContent = File.ReadAllBytes(filePath);

       UploadDocument(url, listName, fileName, fileContent);

   }

   static void UploadDocument(string url, string listName, string fileName, byte[] fileContent)

   {

       string soapRequest =

           "<soap:Envelope xmlns:xsi=\"http://www.w3.org/2001/XMLSchema-instance\" xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\" xmlns:soap=\"http://schemas.xmlsoap.org/soap/envelope/\">" +

           "<soap:Body>" +

           "<CopyIntoItems xmlns=\"http://schemas.microsoft.com/sharepoint/soap/\">" +

          <SourceUrl>%SOURCE%</SourceUrl>" +

           "<DestinationUrls>" +

          <string>%DESTINATION%</string>" +

           "</DestinationUrls>" +

          <Fields>" +

          <FieldInformation Type=\"File\" DisplayName=\"FileLeafRef\" InternalName=\"FileLeafRef\" Value=\"%FILENAME%\" />" +

          <FieldInformation Type=\"File\" DisplayName=\"FileRef\" InternalName=\"FileRef\" Value=\"%DESTINATION%/%FILENAME%\" />" +

          <FieldInformation Type=\"File\" DisplayName=\"ContentTypeId\" InternalName=\"ContentTypeId\" Value=\"0x0101\" />" +

           "</Fields>" +

          <Stream>%CONTENT%</Stream>" +

           "</CopyIntoItems>" +

           "</soap:Body>" +

           "</soap:Envelope>";

       soapRequest = soapRequest.Replace("%SOURCE%", "file:///" + filePath);

       soapRequest = soapRequest.Replace("%DESTINATION%", url + "/" + listName);

       soapRequest = soapRequest.Replace("%FILENAME%", fileName);

       soapRequest = soapRequest.Replace("%CONTENT%", Convert.ToBase64String(fileContent));

       HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url + "/_vti_bin/lists.asmx");

       request.Method = "POST";

       request.ContentType = "text/xml; charset=utf-8";

       request.Headers.Add("SOAPAction", "http://schemas.microsoft.com/sharepoint/soap/CopyIntoItems");

       using (StreamWriter writer = new StreamWriter(request.GetRequestStream()))

       {

           writer.Write(soapRequest);

       }

       using (HttpWebResponse response = (HttpWebResponse)request.GetResponse())

       {

           using (StreamReader reader = new StreamReader(response.GetResponseStream()))

           {

               string responseContent = reader.ReadToEnd();

               XmlDocument xmlDoc = new XmlDocument();

               xmlDoc.LoadXml(responseContent);

               XmlNode resultNode = xmlDoc.SelectSingleNode("//CopyResult");

               if (resultNode != null)

               {

                   Console.WriteLine("File uploaded successfully.");

               }

               else

               {

                   XmlNode errorNode = xmlDoc.SelectSingleNode("//errorstring");

                   if (errorNode != null)

                   {

                       Console.WriteLine("Error uploading file: " + errorNode.InnerText);

                   }

                   else

                   {

                       Console.WriteLine("Unknown error uploading file.");

                   }

               }

           }

       }

   }