C#调用webservice接口的最新方法教程

private void button2_Click(object sender, EventArgs e)
 {
  StringBuilder soap = new StringBuilder();
  soap.Append("<soap:Envelope xmlns:soap="http://www.w3.org/2003/05/soap-envelope" xmlns:zls="www.zlsoft.cn">");
  soap.Append("<soap:Header>");
  soap.Append("<wsse:Security soap:mustUnderstand="true" xmlns:wsse="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-secext-1.0.xsd" xmlns:wsu="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-wssecurity-utility-1.0.xsd">");
  soap.Append("<wsse:UsernameToken wsu:Id="UsernameToken-4">");
  soap.Append("<wsse:Username>hjq</wsse:Username>");//用户名
  soap.Append("<wsse:Password Type="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-username-token-profile-1.0#PasswordText">123</wsse:Password>");//口令
  soap.Append("<wsse:Nonce EncodingType="http://docs.oasis-open.org/wss/2004/01/oasis-200401-wss-soap-message-security-1.0#Base64Binary">gC6dDGKjxo0IaRc5KpQU3w==</wsse:Nonce>");
  soap.Append("<wsu:Created>2017-11-01T05:11:22.805Z</wsu:Created>");
  soap.Append("</wsse:UsernameToken>");
  soap.Append("</wsse:Security>");
  soap.Append("</soap:Header>");
  soap.Append("<soap:Body>");
  soap.Append("<zls:getUserInfo>");
  soap.Append("<zls:appsys_id>trwetre</zls:appsys_id>");
  soap.Append("<zls:appsys_token>sdafdsf</zls:appsys_token>");
  soap.Append("<zls:sid>fdsafds</zls:sid>");
  soap.Append("</zls:getUserInfo>");
  soap.Append("</soap:Body>");
  soap.Append("</soap:Envelope>");

  string url = "http://127.0.0.1:6998/services/HIPService?wsdl";
  var result = GetSOAPReSource(url, soap.ToString());
 }


  public static string GetSOAPReSource(string url, string datastr)
  {
  try
  {
   //request
   Uri uri = new Uri(url);
   WebRequest webRequest = WebRequest.Create(uri);
  webRequest.ContentType = "application/soap+xml; charset=utf-8";
   webRequest.Method = "POST";
   using (Stream requestStream = webRequest.GetRequestStream())
   {
   byte[] paramBytes = Encoding.UTF8.GetBytes(datastr.ToString());
   requestStream.Write(paramBytes, 0, paramBytes.Length);
   }
   //response
   WebResponse webResponse = webRequest.GetResponse();
   using (StreamReader myStreamReader = new StreamReader(webResponse.GetResponseStream(), Encoding.UTF8))
   {
   string result = "";
   return result = myStreamReader.ReadToEnd();
  }
 
  }
  catch (Exception ex)
  {
   throw ex;
  }
 
  }

Uri uri = new Uri(txt_url.Text);
  WebRequest webRequest = WebRequest.Create(uri);
  webRequest.Credentials = new NetworkCredential("hjq", "123");
  System.IO.Stream requestStream = webRequest.GetResponse().GetResponseStream();
  // Get a WSDL file describing a service
  ServiceDescription sd = ServiceDescription.Read(requestStream);
  string sdName = sd.Services[0].Name;
  // Add in tree view


  // Initialize a service description servImport
  ServiceDescriptionImporter servImport = new ServiceDescriptionImporter();
  servImport.AddServiceDescription(sd, String.Empty, String.Empty);
  servImport.ProtocolName = "Soap";

  servImport.CodeGenerationOptions = CodeGenerationOptions.GenerateProperties;


  CodeNamespace nameSpace = new CodeNamespace();
  CodeCompileUnit codeCompileUnit = new CodeCompileUnit();
  codeCompileUnit.Namespaces.Add(nameSpace);
  // Set Warnings
  ServiceDescriptionImportWarnings warnings = servImport.Import(nameSpace, codeCompileUnit);

  if (warnings == 0)
  {
   StringWriter stringWriter = new StringWriter(System.Globalization.CultureInfo.CurrentCulture);
   Microsoft.CSharp.CSharpCodeProvider prov = new Microsoft.CSharp.CSharpCodeProvider();
   prov.GenerateCodeFromNamespace(nameSpace, stringWriter, new CodeGeneratorOptions());



   // Compile the assembly with the appropriate references
   //string[] assemblyReferences = new string[2] { "System.Web.Services.dll", "System.Xml.dll" };
   string[] assemblyReferences = new string[3] {"System.dll", "System.dll", "System.dll" };
   CompilerParameters param = new CompilerParameters(assemblyReferences);
   param.GenerateExecutable = false;
   param.GenerateInMemory = true;
   param.TreatWarningsAsErrors = false;
   param.WarningLevel = 4;

   CompilerResults results = new CompilerResults(new TempFileCollection());
   results = prov.CompileAssemblyFromDom(param, codeCompileUnit);
   Assembly assembly = results.CompiledAssembly;
   Type service = assembly.GetType(sdName);

   MethodInfo[] methodInfo = service.GetMethods();
   foreach (MethodInfo t in methodInfo)
   {
   if (t.Name == "Discover")
    break;

   if (t.Name == cbMethods.Text)
   {
    //MessageBox.Show(t.ToString());
    //Invoke Method
    
    Object obj = Activator.CreateInstance(service);
    Object response = t.Invoke(obj, new object[] { "1","2","3"});
    MessageBox.Show("Result = " + response.ToString());
    break;
   }
   }
  }

  }
  catch (Exception ex)
  {
  MessageBox.Show(ex.Message);
  }