在没有代理的情况下调用 WCF 服务方法 [英] Invoking WCF service methods without having a proxy

问题描述

无论如何我可以在不添加服务引用甚至根本没有代理的情况下调用 WCF 服务.

Is there anyway I can invoke a WCF service without adding service reference or even having a proxy at all.

推荐答案

您可以使用 HttpWebRequest 调用服务.下面的例子:-

You can invoke the service using a HttpWebRequest. Example below:-

private static XDocument CallSoapServiceInternal(string uri, string soapAction, string contentType, XDocument reqXml)
{
    var req = (HttpWebRequest)WebRequest.Create(uri);
    req.ContentType = contentType;
    req.Method = "POST";
    req.Headers.Add("SOAPAction", soapAction);
    req.Credentials = CredentialCache.DefaultCredentials;
    req.Timeout = 20000;
    //req.Timeout = System.Threading.Timeout.Infinite;

    using (var reqStream = req.GetRequestStream())
    {
        reqXml.Save(reqStream);
    }

    string respStr;

    try
    {
        using (var resp = (HttpWebResponse)req.GetResponse())
        {
            using (var rdr = new StreamReader(resp.GetResponseStream()))
            {
                respStr = rdr.ReadToEnd();
            }
        }
    }
    catch (Exception ex)
    {
        throw new Exception("Error getting service response.", ex);
    }

    Console.WriteLine(respStr);
    Assert.IsTrue(respStr.Length > 0, "Nothing returned");

    var respXml = XDocument.Parse(respStr);
    return respXml;
}

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