C#_Soap调用webservice服务

如题，使用soap自定义方法调用webservice：

自定义代码块

方法内有注释：

using System;using System.CodeDom;using System.CodeDom.Compiler;using System.Collections;using System.Data;using System.IO;using System.Net;using System.Text;using System.Web.Services.Description;using System.Xml;using System.Xml.Serialization;using Microsoft.CSharp;namespace Wonders.InterfaceGuiYang.Services.Common{    /// <summary>    /// 利用WebRequest/WebResponse进行WebService调用的类    /// </summary>    public class WdFuncWsCaller    {        //缓存xmlNamespace，避免重复调用GetNamespace        private static readonly Hashtable XmlNamespace = new Hashtable();        #region SOAP动态调用        /// <summary>        /// 通过SOAP协议动态调用webservice         /// </summary>        /// <param name="url"> webservice地址</param>        /// <param name="methodName"> 调用方法名</param>        /// <param name="pars"> 参数表</param>        /// <returns> 结果集xml的String格式</returns>        public static String SoapWebServiceString(String url, String methodName, Hashtable pars)        {            XmlDocument doc = SoapWebService(url, methodName, pars);            return doc.InnerText;        }        /// <summary>        /// 通过SOAP协议动态调用webservice         /// </summary>        /// <param name="url"> webservice地址</param>        /// <param name="methodName"> 调用方法名</param>        /// <param name="pars"> 参数表</param>        /// <returns> 结果集转换的DataSet</returns>        public static DataSet SoapWebServiceDataSet(String url, String methodName, Hashtable pars)        {            XmlDocument doc = SoapWebService(url, methodName, pars);            System.Data.DataSet ds = new System.Data.DataSet();            using (XmlNodeReader reader = new XmlNodeReader(doc))            {                ds.ReadXml(reader);            }            return ds;        }        /// <summary>        /// 通过SOAP协议动态调用webservice         /// </summary>        /// <param name="url"> webservice地址</param>        /// <param name="methodName"> 调用方法名</param>        /// <param name="pars"> 参数表</param>        /// <returns> 结果集XmlDocument</returns>        public static XmlDocument SoapWebService(String url, String methodName, Hashtable pars)        {            if (XmlNamespace.ContainsKey(url))            {   // 名字空间在缓存中存在时，读取缓存，然后执行调用                return QuerySoapWebService(url, methodName, pars, XmlNamespace[url].ToString());            }            // 名字空间不存在时直接从wsdl的请求中读取名字空间，然后执行调用            return QuerySoapWebService(url, methodName, pars, GetNamespace(url));        }        /// <summary>        /// 通过SOAP协议动态调用webservice          /// </summary>        /// <param name="url"> webservice地址</param>        /// <param name="methodName"> 调用方法名</param>        /// <param name="pars"> 参数表</param>        /// <param name="xmlNs"> 名字空间</param>        /// <returns> 结果集</returns>        private static XmlDocument QuerySoapWebService(String url, String methodName, Hashtable pars, string xmlNs)        {            XmlNamespace[url] = xmlNs;//加入缓存，提高效率                                      // 获取请求对象            HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);            // 设置请求head            request.Method = "POST";            request.ContentType = "text/xml; charset=utf-8";            request.Headers.Add("SOAPAction", "\"" + xmlNs + (xmlNs.EndsWith("/") ? "" : "/") + methodName + "\"");            // 设置请求身份            SetWebRequest(request);            // 获取soap协议            byte[] data = EncodeParsToSoap(pars, xmlNs, methodName);            // 将soap协议写入请求            WriteRequestData(request, data);            XmlDocument returnDoc = new XmlDocument();            XmlDocument returnValueDoc = new XmlDocument();            // 读取服务端响应            returnDoc = ReadXmlResponse(request.GetResponse());            XmlNamespaceManager mgr = new XmlNamespaceManager(returnDoc.NameTable);            mgr.AddNamespace("soap", "http://schemas.xmlsoap.org/soap/envelope/");            // 返回结果            string retXml = returnDoc.SelectSingleNode("//soap:Body/*/*", mgr).InnerXml;            returnValueDoc.LoadXml("<root>" + retXml + "</root>");            AddDelaration(returnValueDoc);            /*  System.Data.DataSet ds = new System.Data.DataSet();              XmlNodeReader reader = new XmlNodeReader(returnValueDoc);              ds.ReadXml(reader);*/            // return returnValueDoc.OuterXml;            return returnValueDoc;        }        /// <summary>        /// 获取wsdl中的名字空间        /// </summary>        /// <param name="url"> wsdl地址</param>        /// <returns> 名字空间</returns>        private static string GetNamespace(String url)        {            // 创建wsdl请求对象，并从中读取名字空间            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;        }        /// <summary>        /// 加入soapheader节点        /// </summary>        /// <param name="doc"> soap文档</param>        private static void InitSoapHeader(XmlDocument doc)        {            // 添加soapheader节点            XmlElement soapHeader = doc.CreateElement("soap", "Header", "http://schemas.xmlsoap.org/soap/envelope/");            ////如需使用soapheader把下面代码注释取消，根据配置自行修改            //XmlElement soapId = doc.CreateElement("userid");            //soapId.InnerText = ID;            //XmlElement soapPwd = doc.CreateElement("userpwd");            //soapPwd.InnerText = PWD;            //soapHeader.AppendChild(soapId);            //soapHeader.AppendChild(soapPwd);            doc.ChildNodes[0].AppendChild(soapHeader);        }        /// <summary>        /// 将以字节数组的形式返回soap协议        /// </summary>        /// <param name="pars"> 参数表</param>        /// <param name="xmlNs"> 名字空间</param>        /// <param name="methodName"> 方法名</param>        /// <returns> 字节数组</returns>        private static byte[] EncodeParsToSoap(Hashtable pars, String xmlNs, String methodName)        {            XmlDocument doc = new XmlDocument();            // 构建soap文档            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>");            // 加入soapbody节点            InitSoapHeader(doc);            // 创建soapbody节点            XmlElement soapBody = doc.CreateElement("soap", "Body", "http://schemas.xmlsoap.org/soap/envelope/");            // 根据要调用的方法创建一个方法节点            XmlElement soapMethod = doc.CreateElement(methodName);            soapMethod.SetAttribute("xmlns", xmlNs);            // 遍历参数表中的参数键            foreach (string key in pars.Keys)            {                // 根据参数表中的键值对，生成一个参数节点，并加入方法节点内                XmlElement soapPar = doc.CreateElement(key);                soapPar.InnerXml = ObjectToSoapXml(pars[key]);                soapMethod.AppendChild(soapPar);            }            // soapbody节点中加入方法节点            soapBody.AppendChild(soapMethod);            // soap文档中加入soapbody节点            doc.DocumentElement.AppendChild(soapBody);            // 添加声明            AddDelaration(doc);            // 传入的参数有DataSet类型，必须在序列化后的XML中的diffgr:diffgram/NewDataSet节点加xmlns='' 否则无法取到每行的记录。            XmlNode node = doc.DocumentElement.SelectSingleNode("//NewDataSet");            if (node != null)            {                XmlAttribute attr = doc.CreateAttribute("xmlns");                attr.InnerText = "";                node.Attributes.Append(attr);            }            // 以字节数组的形式返回soap文档            return Encoding.UTF8.GetBytes(doc.OuterXml);        }        /// <summary>        /// 将参数对象中的内容取出        /// </summary>        /// <param name="o">参数值对象</param>        /// <returns>字符型值对象</returns>        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.LoadXml(Encoding.UTF8.GetString(ms.ToArray()));            if (doc.DocumentElement != null)            {                return doc.DocumentElement.InnerXml;            }            return o.ToString();        }        /// <summary>        /// 设置请求身份        /// </summary>        /// <param name="request"> 请求</param>        private static void SetWebRequest(HttpWebRequest request)        {            request.Credentials = CredentialCache.DefaultCredentials;            //request.Timeout = 10000;        }        /// <summary>        /// 将soap协议写入请求        /// </summary>        /// <param name="request"> 请求</param>        /// <param name="data"> soap协议</param>        private static void WriteRequestData(HttpWebRequest request, byte[] data)        {            request.ContentLength = data.Length;            Stream writer = request.GetRequestStream();            writer.Write(data, 0, data.Length);            writer.Close();        }        /// <summary>        /// 将响应对象读取为xml对象        /// </summary>        /// <param name="response"> 响应对象</param>        /// <returns> xml对象</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>        /// 给xml文档添加声明        /// </summary>        /// <param name="doc"> xml文档</param>        private static void AddDelaration(XmlDocument doc)        {            XmlDeclaration decl = doc.CreateXmlDeclaration("1.0", "utf-8", null);            doc.InsertBefore(decl, doc.DocumentElement);        }        #endregion        #region 普通方法调用        /// <summary>        /// 获取WebService类型        /// </summary>        /// <param name="wsUrl">WebService地址</param>        /// <returns></returns>        private static string GetClassName(string wsUrl)        {            string[] parts = wsUrl.Split('/');            string[] pps = parts[parts.Length - 1].Split('.');            return pps[0];        }        /// <summary>        /// 调用WebService        /// </summary>        /// <param name="wsUrl">WebService地址</param>        /// <param name="methodName">方法名称</param>        /// <param name="hashtable">参数列表</param>        /// <returns></returns>        public static object InvokeWebService(string wsUrl, string methodName, Hashtable hashtable)        {            return InvokeWebService(wsUrl, null, methodName, hashtable);        }        /// <summary>        /// 调用WebService        /// </summary>        /// <param name="wsUrl">WebService地址</param>        /// <param name="className">类名</param>        /// <param name="methodName">方法名称</param>        /// <param name="hashtable">参数列表</param>        /// <returns></returns>        public static object InvokeWebService(string wsUrl, string className, string methodName, Hashtable hashtable)        {            object[] args = Hashtable2Object(hashtable);            const string @namespace = "EnterpriseServerBase.WebService.DynamicWebCalling";            if (string.IsNullOrEmpty(className))            {                className = GetClassName(wsUrl);            }            try            {                //获取WSDL                WebClient wc = new WebClient();                Stream stream = wc.OpenRead(wsUrl + "?wsdl");                ServiceDescription sd = ServiceDescription.Read(stream);                ServiceDescriptionImporter sdi = new ServiceDescriptionImporter();                sdi.AddServiceDescription(sd, "", "");                CodeNamespace cn = new CodeNamespace(@namespace);                //生成客户端代理类代码                CodeCompileUnit ccu = new CodeCompileUnit();                ccu.Namespaces.Add(cn);                sdi.Import(cn, ccu);                CSharpCodeProvider csc = new CSharpCodeProvider();                // ReSharper disable once CSharpWarnings::CS0618                ICodeCompiler icc = csc.CreateCompiler();                //设定编译参数                CompilerParameters cplist = new CompilerParameters { GenerateExecutable = false, GenerateInMemory = true };                cplist.ReferencedAssemblies.Add("System.dll");                cplist.ReferencedAssemblies.Add("System.XML.dll");                cplist.ReferencedAssemblies.Add("System.Web.Services.dll");                cplist.ReferencedAssemblies.Add("System.Data.dll");                //编译代理类                CompilerResults cr = icc.CompileAssemblyFromDom(cplist, ccu);                if (cr.Errors.HasErrors)                {                    System.Text.StringBuilder sb = new System.Text.StringBuilder();                    foreach (System.CodeDom.Compiler.CompilerError ce in cr.Errors)                    {                        sb.Append(ce);                        sb.Append(System.Environment.NewLine);                    }                    throw new Exception(sb.ToString());                }                //生成代理实例，并调用方法                System.Reflection.Assembly assembly = cr.CompiledAssembly;                Type t = assembly.GetType(@namespace + "." + className, true, true);                object obj = Activator.CreateInstance(t);                System.Reflection.MethodInfo mi = t.GetMethod(methodName);                return mi.Invoke(obj, args);            }            catch (Exception ex)            {                throw new Exception(ex.InnerException.Message, new Exception(ex.InnerException.StackTrace));            }        }        /// <summary>        /// Hashtable转对象数组        /// </summary>        /// <param name="hashtable"></param>        /// <returns></returns>        private static object[] Hashtable2Object(Hashtable hashtable)        {            object[] args = new object[hashtable.Count];            int i = 0;            foreach (DictionaryEntry dictionary in hashtable)            {                args[i] = dictionary.Value.ToString();                i++;            }            return args;        }        #endregion    }}

引用代码块

方法内有注释：

//注意引用自定义代码//拼接的xml字符串，根据需求自行拼接string xmlRequest = "<root>" +                                  "<SystemId>" + orgList[0].OrgCode + "</SystemId>" +                                  "<ServiceType>N02</ServiceType>" +                                  "<CardNo></CardNo>" +                                  "<IDCardNo>" + idNumber + "</IDCardNo>" +                                  "</root>";                //转换字符为hash                Hashtable htParms = new Hashtable                {                    //多个参数可定义多个{}，中间用'，'隔开                    {RequestXML, xmlRequest }                };                string result = "";                try                {                    //调用soap，返回字符串                    result = WdFuncWsCaller.SoapWebServiceString(orgList[0].WebServiceURL, "OtherQueryPatientInfoXML", htParms);                }                catch (Exception e)                {                    //这里返回错误信息，根据需求自行修改                    listRegistInfo.IsSucess = "0";                    listRegistInfo.ReturnMsg = "请求出错！" + e.Message;                    return WdFuncXml2Entity.SerializeXML(listRegistInfo);                }

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以上代码均可复制使用，请根据需求自行修改。