手动写webservice，代码代码如下：
using System; using System.Web; using System.Xml; using System.Collections; using System.Net; using System.Text; using System.IO; /// <summary> /// 利用WebRequest/WebResponse进行WebService调用的类 /// </summary> namespace HuaSpace { public class WebSvcCaller { //<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,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,Hashtable Pars) { // if (_xmlNamespaces.ContainsKey(URL)) { return QuerySoapWebService(URL,MethodName,Pars,_xmlNamespaces[URL].ToString()); } else { return QuerySoapWebService(URL,GetNamespace(URL)); } } /// <summary> /// /// </summary> /// <param name="URL"></param> /// <param name="MethodName"></param> /// <param name="Pars"></param> /// <param name="XmlNs"></param> /// <returns></returns> private static XmlDocument QuerySoapWebService(String URL,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; } /// <summary> /// /// </summary> /// <param name="URL"></param> /// <returns></returns> 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()); return doc.SelectSingleNode("//@targetNamespace").Value; } /// <summary> /// /// </summary> /// <param name="Pars"></param> /// <param name="XmlNs"></param> /// <param name="MethodName"></param> /// <returns></returns> 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); foreach (string k in Pars.Keys) { XmlElement soapPar = doc.CreateElement(k); soapPar.InnerText = Pars[k].ToString(); soapMethod.AppendChild(soapPar); } soapBody.AppendChild(soapMethod); doc.DocumentElement.AppendChild(soapBody); return Encoding.UTF8.GetBytes(doc.OuterXml); } /// <summary> /// /// </summary> /// <param name="request"></param> private static void SetWebRequest(HttpWebRequest request) { request.Credentials = CredentialCache.DefaultCredentials; request.Timeout = 10000; } /// <summary> /// /// </summary> /// <param name="request"></param> /// <param name="data"></param> private static void WriteRequestData(HttpWebRequest request,byte[] data) { request.ContentLength = data.Length; Stream writer = request.GetRequestStream(); writer.Write(data,data.Length); writer.Close(); } /// <summary> /// /// </summary> /// <param name="Pars"></param> /// <returns></returns> private static byte[] EncodePars(Hashtable Pars) { return Encoding.UTF8.GetBytes(ParsToString(Pars)); } /// <summary> /// /// </summary> /// <param name="Pars"></param> /// <returns></returns> 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(); } /// <summary> /// /// </summary> /// <param name="response"></param> /// <returns></returns> 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; } /// <summary> /// /// </summary> /// <param name="doc"></param> private static void AddDelaration(XmlDocument doc) { XmlDeclaration decl = doc.CreateXmlDeclaration("1.0","utf-8",null); doc.InsertBefore(decl,doc.DocumentElement); } } }
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