C#通过Http发送Soap请求

小灰灰 2021-05-03 04:08 611阅读 0赞

/// <summary>
            /// 发送SOAP请求，并返回响应xml
            /// </summary>
            /// <param name="url">请求地址</param>
            /// <param name="datastr">SOAP请求信息</param>
            /// <returns>返回响应信息</returns>
            public static string GetSOAPReSource(string url, string datastr)
            {
    
                //发起请求
                Uri uri = new Uri(url);
                WebRequest webRequest = WebRequest.Create(uri);
                webRequest.ContentType = "text/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);
                }
    
                //响应
                WebResponse webResponse = webRequest.GetResponse();
                using (StreamReader myStreamReader = new StreamReader(webResponse.GetResponseStream(), Encoding.UTF8))
                {
                    string result = "";
                    return result=myStreamReader.ReadToEnd();
                }
            }
    // 示例：调用webservice查询IP地址信息
    
    // webservice地址：http://www.wjg121.cn/Service/IPAddress.asmx?op=GetIPCountryAndLocal
    
     
    
          static void Main(string[] args)
            {
    
                 
                //构造soap请求信息
                StringBuilder soap = new StringBuilder();
                soap.Append("<?xml version=\"1.0\" encoding=\"utf-8\"?>");
                soap.Append("<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.Append("<soap:Body>");
                soap.Append("<GetIPCountryAndLocal xmlns=\"http://tempuri.org/\">");
                soap.Append("<RequestIP>183.39.119.90</RequestIP>");
                soap.Append("</GetIPCountryAndLocal>");
                soap.Append("</soap:Body>");
                soap.Append("</soap:Envelope>");
    
                string url = "http://www.wjg121.cn/Service/IPAddress.asmx";
                Console.WriteLine(WebServiceUtility.GetSOAPReSource(url,soap.ToString()));           
                Console.ReadKey();
    
            }
    
    //返回结果：
    
    <?xml version="1.0" encoding="utf-8"?><soap:Envelope xmlns:soap="http://schemas.
    xmlsoap.org/soap/envelope/" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance
    " xmlns:xsd="http://www.w3.org/2001/XMLSchema"><soap:Body><GetIPCountryAndLocalR
    esponse xmlns="http://tempuri.org/"><GetIPCountryAndLocalResult>广东省电信</GetI
    PCountryAndLocalResult></GetIPCountryAndLocalResponse></soap:Body></soap:Envelop
    e>