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webservice 伪静态地址处置,数据获取

2012-08-24 
webservice 伪静态地址处理,数据获取 服务处理端:public class UvService{//webServices//protocols//

webservice 伪静态地址处理,数据获取

 服务处理端:  

public class UvService    {        //<webServices>        //  <protocols>        //    <add name="HttpGet"/>        //    <add name="HttpPost"/>        //  </protocols>        //</webServices>        private static Hashtable _xmlNamespaces = new Hashtable();//缓存xmlNamespace,避免重复调用GetNamespace        /**/        /// <summary>        /// 需要WebService支持Post调用        /// </summary>        public static XmlDocument QueryPostWebService(String URL, String MethodName, Hashtable Pars)        {            HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(URL + "/" + MethodName);            request.Method = "POST";            request.ContentType = "application/x-www-form-urlencoded";            SetWebRequest(request);            byte[] data = EncodePars(Pars);            WriteRequestData(request, data);            return ReadXmlResponse(request.GetResponse());        }        /**/        /// <summary>        /// 需要WebService支持Get调用        /// </summary>        public static XmlDocument QueryGetWebService(String URL, String MethodName, Hashtable Pars)        {            HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(URL + "/" + MethodName + "?" + ParsToString(Pars));            request.Method = "GET";            request.ContentType = "application/x-www-form-urlencoded";            SetWebRequest(request);            return ReadXmlResponse(request.GetResponse());        }        /**/        /// <summary>        /// 通用WebService调用(Soap),参数Pars为String类型的参数名、参数值        /// </summary>        public static XmlDocument QuerySoapWebService(String URL, String MethodName, Hashtable Pars)        {            if (_xmlNamespaces.ContainsKey(URL))            {                return QuerySoapWebService(URL, MethodName, Pars, _xmlNamespaces[URL].ToString());            }            else            {                return QuerySoapWebService(URL, MethodName, Pars, GetNamespace(URL));            }        }        //private static XmlDocument QuerySoapWebService(String URL, String MethodName, Hashtable Pars, string XmlNs)        //{            //    _xmlNamespaces[URL] = XmlNs;//加入缓存,提高效率        //    HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(URL);        //    request.Method = "POST";        //    request.ContentType = "text/xml; charset=utf-8";        //    request.Headers.Add("SOAPAction", "\"" + XmlNs + (XmlNs.EndsWith("/") ? "" : "/") + MethodName + "\"");        //    SetWebRequest(request);        //    byte[] data = EncodeParsToSoap(Pars, XmlNs, MethodName);        //    WriteRequestData(request, data);        //    XmlDocument doc = new XmlDocument(), doc2 = new XmlDocument();        //    doc = ReadXmlResponse(request.GetResponse());        //    XmlNamespaceManager mgr = new XmlNamespaceManager(doc.NameTable);        //    mgr.AddNamespace("soap", "http://schemas.xmlsoap.org/soap/envelope/");        //    String RetXml = doc.SelectSingleNode("//soap:Body/*/*", mgr).InnerXml;        //    doc2.LoadXml("<root>" + RetXml + "</root>");        //    AddDelaration(doc2);        //    return doc2;        //}        private static XmlDocument QuerySoapWebService(String URL, String MethodName, Hashtable Pars, string XmlNs)        {            _xmlNamespaces[URL] = XmlNs;//加入缓存,提高效率            HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(URL);            request.Method = "POST";            request.ContentType = "text/xml; charset=utf-8";            request.Headers.Add("SOAPAction", "\"" + XmlNs + (XmlNs.EndsWith("/") ? "" : "/") + MethodName + "\"");            SetWebRequest(request);            byte[] data = EncodeParsToSoap(Pars, XmlNs, MethodName);            WriteRequestData(request, data);            XmlDocument doc = new XmlDocument(), doc2 = new XmlDocument();            doc = ReadXmlResponse(request.GetResponse());            XmlNamespaceManager mgr = new XmlNamespaceManager(doc.NameTable);            mgr.AddNamespace("soap", "http://schemas.xmlsoap.org/soap/envelope/");            String RetXml = doc.SelectSingleNode("//soap:Body/*/*", mgr).InnerXml;            doc2.LoadXml("<root>" + RetXml + "</root>");            AddDelaration(doc2);            return doc2;        }        private static string GetNamespace(String URL)        {            HttpWebRequest request = (HttpWebRequest)WebRequest.Create(URL + "?WSDL");            SetWebRequest(request);            WebResponse response = request.GetResponse();            StreamReader sr = new StreamReader(response.GetResponseStream(), Encoding.UTF8);            XmlDocument doc = new XmlDocument();            doc.LoadXml(sr.ReadToEnd());            sr.Close();            return doc.SelectSingleNode("//@targetNamespace").Value;        }        private static byte[] EncodeParsToSoap(Hashtable Pars, String XmlNs, String MethodName)        {            XmlDocument doc = new XmlDocument();            doc.LoadXml("<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:Envelope>");            AddDelaration(doc);            XmlElement soapBody = doc.CreateElement("soap", "Body", "http://schemas.xmlsoap.org/soap/envelope/");            XmlElement soapMethod = doc.CreateElement(MethodName);            soapMethod.SetAttribute("xmlns", XmlNs);            //<Request><Date>2011-03-20</Date></Request>            foreach (string k in Pars.Keys)            {                XmlElement soapPar = doc.CreateElement(k);                soapPar.InnerXml = ObjectToSoapXml(Pars[k]);                soapMethod.AppendChild(soapPar);            }            soapBody.AppendChild(soapMethod);            doc.DocumentElement.AppendChild(soapBody);            return Encoding.UTF8.GetBytes(doc.OuterXml);        }        private static string ObjectToSoapXml(object o)        {            XmlSerializer mySerializer = new XmlSerializer(o.GetType());            MemoryStream ms = new MemoryStream();            mySerializer.Serialize(ms, o);            XmlDocument doc = new XmlDocument();            //doc.CreateElement("")            doc.LoadXml(Encoding.UTF8.GetString(ms.ToArray()));            if (doc.DocumentElement != null)            {                return doc.DocumentElement.InnerXml;            }            else            {                return o.ToString();            }        }        private static void SetWebRequest(HttpWebRequest request)        {            request.Credentials = CredentialCache.DefaultCredentials;            request.Timeout = 10000;        }        private static void WriteRequestData(HttpWebRequest request, byte[] data)        {            request.ContentLength = data.Length;            Stream writer = request.GetRequestStream();            writer.Write(data, 0, data.Length);            writer.Close();        }        private static byte[] EncodePars(Hashtable Pars)        {            return Encoding.UTF8.GetBytes(ParsToString(Pars));        }        private static String ParsToString(Hashtable Pars)        {            StringBuilder sb = new StringBuilder();            foreach (string k in Pars.Keys)            {                if (sb.Length > 0)                {                    sb.Append("&");                }                sb.Append(HttpUtility.UrlEncode(k) + "=" + HttpUtility.UrlEncode(Pars[k].ToString()));            }            return sb.ToString();        }        private static XmlDocument ReadXmlResponse(WebResponse response)        {            StreamReader sr = new StreamReader(response.GetResponseStream(), Encoding.UTF8);            String retXml = sr.ReadToEnd();            sr.Close();            XmlDocument doc = new XmlDocument();            doc.LoadXml(retXml);            return doc;        }        private static void AddDelaration(XmlDocument doc)        {            XmlDeclaration decl = doc.CreateXmlDeclaration("1.0", "utf-8", null);            doc.InsertBefore(decl, doc.DocumentElement);        }    }}


 调用端:

          

            Hashtable pars = new Hashtable();            if (Url == string.Empty)                return;            pars["pInput"] = string.Format("<Request><Date>{0}</Date></Request>", DateTime.Now.ToString("yyyy-MM-dd"));            XmlDocument doc = UvService.QuerySoapWebService(Url, "OperationScheduleQuery", pars);            string str = doc.InnerXml;            str = str.Split(new string[] { "[CDATA[" }, StringSplitOptions.None)[1];            str = str.Split(new string[] { "]]" }, StringSplitOptions.None)[0];            XmlDocument doc2 = new XmlDocument();            doc2.LoadXml(str);            DataSet dataset = new DataSet();            using (XmlNodeReader reader = new XmlNodeReader(doc2))            {                dataset.ReadXml(reader);                reader.Close();            }            if (dataset != null)            {                this.dsMain.Merge(dataset);            }


 

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