MVC HttpWebRequest XML 请求

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MVC HttpWebRequest XML类型请求解析数据
public Dictionary<string, object> HttpWebRequestXML(){    try    {        string date = DateTime.Now.ToString("yyyyMMddhhmmss");        // 构建URL内容        string sigstr = "";        string uriStr = string.Format("https://{0}:{1}/{2}/SubAccounts/{3}/Calls/Callback?sig={4}", "m_restAddress", "", "", "", sigstr);        Uri address = new Uri(uriStr);        // 创建网络请求          HttpWebRequest request = WebRequest.Create(address) as HttpWebRequest;        // 构建Head        request.Method = "POST";        Encoding myEncoding = Encoding.GetEncoding("utf-8");        byte[] myByte = myEncoding.GetBytes("123" + ":" + date);        string authStr = Convert.ToBase64String(myByte);        request.Headers.Add("Authorization", authStr);        // 构建Body        StringBuilder data = new StringBuilder();        request.Accept = "application/xml";        request.ContentType = "application/xml;charset=utf-8";        data.Append("<?xml version='1.0' encoding='utf-8'?><CallBack>");        data.Append("<from>").Append("from").Append("</from>");        data.Append("<to>").Append("to").Append("</to>");        data.Append("<customerSerNum>").Append("customerSerNum").Append("</customerSerNum>");        data.Append("<fromSerNum>").Append("fromSerNum").Append("</fromSerNum>");        data.Append("<promptTone>").Append("promptTone").Append("</promptTone>");        data.Append("<maxCallTime>").Append("maxCallTime").Append("</maxCallTime>");        data.Append("<hangupCdrUrl>").Append("hangupCdrUrl").Append("</hangupCdrUrl>");        data.Append("</CallBack>");        byte[] byteData = UTF8Encoding.UTF8.GetBytes(data.ToString());        // 开始请求        using (Stream postStream = request.GetRequestStream())        {            postStream.Write(byteData, 0, byteData.Length);        }        // 获取请求        using (HttpWebResponse response = request.GetResponse() as HttpWebResponse)        {            // Get the response stream              StreamReader reader = new StreamReader(response.GetResponseStream());            string responseStr = reader.ReadToEnd();            if (responseStr != null && responseStr.Length > 0)            {                Dictionary<string, object> responseResult = new Dictionary<string, object> { { "statusCode", "0" }, { "statusMsg", "成功" }, { "data", null } };                XmlDocument resultXml = new XmlDocument();                resultXml.LoadXml(responseStr);                XmlNodeList nodeList = resultXml.SelectSingleNode("Response").ChildNodes;                foreach (XmlNode item in nodeList)                {                    if (item.Name == "statusCode")                    {                        responseResult["statusCode"] = item.InnerText;                    }                    else if (item.Name == "statusMsg")                    {                        responseResult["statusMsg"] = item.InnerText;                    }                    else if (item.Name == "CallBack")                    {                        Dictionary<string, object> retData = new Dictionary<string, object>();                        foreach (XmlNode subItem in item.ChildNodes)                        {                            retData.Add(subItem.Name, subItem.InnerText);                        }                        responseResult["data"] = new Dictionary<string, object> { { item.Name, retData } };                    }                }                return responseResult;            }            return new Dictionary<string, object> { { "statusCode", 172002 }, { "statusMsg", "无返回" }, { "data", null } };        }    }    catch (Exception e)    {        throw e;    }}
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