using System;
using System.CodeDom;
using System.CodeDom.Compiler;
using System.Collections.Generic;
using System.IO;
using System.Net;
using System.Reflection;
using System.Web.Services.Description;
using Microsoft.CSharp;
using System.Xml.Serialization;namespace MyServiceLibrary
{/// <summary>/// 动态调用WebService（支持SaopHeader）/// </summary>public class WebServiceHelper{/// <summary>   /// 获取WebService的类名   /// </summary>   /// <param name="wsUrl">WebService地址</param>   /// <returns>返回WebService的类名</returns>   private static string GetWsClassName(string wsUrl){string[] parts = wsUrl.Split('/');string[] pps = parts[parts.Length - 1].Split('.');return pps[0];}/// <summary>   /// 调用WebService（不带SoapHeader）/// </summary>   /// <param name="wsUrl">WebService地址</param>   /// <param name="methodName">方法名称</param>   /// <param name="args">参数列表</param>   /// <returns>返回调用结果</returns>   public static object InvokeWebService(string wsUrl, string methodName, object[] args){return InvokeWebService(wsUrl, null, methodName, null, args);}/// <summary>   /// 调用WebService（带SoapHeader）/// </summary>   /// <param name="wsUrl">WebService地址</param>   /// <param name="methodName">方法名称</param>   /// <param name="soapHeader">SOAP头</param>   /// <param name="args">参数列表</param>   /// <returns>返回调用结果</returns>public static object InvokeWebService(string wsUrl, string methodName, SoapHeader soapHeader, object[] args){return InvokeWebService(wsUrl, null, methodName, soapHeader, args);}/// <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="soapHeader">SOAP头</param>/// <param name="args">参数列表</param>   /// <returns>返回调用结果</returns>   public static object InvokeWebService(string wsUrl, string className, string methodName, SoapHeader soapHeader, object[] args){string @namespace = "EnterpriseServerBase.WebService.DynamicWebCalling";if ((className == null) || (className == "")){className = GetWsClassName(wsUrl);}try{//获取WSDL   WebClient wc = new WebClient();Stream stream = wc.OpenRead(wsUrl + "?wsdl");ServiceDescription sd = ServiceDescription.Read(stream);//配置代理ServiceDescriptionImporter数据ServiceDescriptionImporter sdi = new ServiceDescriptionImporter();//sdi.ProtocolName = "Soap";//sdi.Style = ServiceDescriptionImportStyle.Server;//sdi.CodeGenerationOptions = CodeGenerationOptions.GenerateProperties | CodeGenerationOptions.GenerateNewAsync;sdi.AddServiceDescription(sd, null, null);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();///ICodeCompiler icc = csc.CreateCompiler();CodeDomProvider icc = CodeDomProvider.CreateProvider("CSharp");//设定编译参数   CompilerParameters cplist = new CompilerParameters();cplist.GenerateExecutable = false;cplist.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 (true == cr.Errors.HasErrors){System.Text.StringBuilder sb = new System.Text.StringBuilder();foreach (System.CodeDom.Compiler.CompilerError ce in cr.Errors){sb.Append(ce.ToString());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);FieldInfo[] arry = t.GetFields();FieldInfo client = null;object clientkey = null;if (soapHeader != null){//Soap头开始   client = t.GetField(soapHeader.ClassName + "Value");//获取客户端验证对象   Type typeClient = assembly.GetType(@namespace + "." + soapHeader.ClassName);//为验证对象赋值   clientkey = Activator.CreateInstance(typeClient);foreach (KeyValuePair<string, object> property in soapHeader.Properties){typeClient.GetField(property.Key).SetValue(clientkey, property.Value);}//Soap头结束
                }//实例类型对象   object obj = Activator.CreateInstance(t);if (soapHeader != null){//设置Soap头
                    client.SetValue(obj, clientkey);}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>/// SOAP头/// </summary>public class SoapHeader{/// <summary>/// 构造一个SOAP头/// </summary>public SoapHeader(){this.Properties = new Dictionary<string, object>();}/// <summary>/// 构造一个SOAP头/// </summary>/// <param name="className">SOAP头的类名</param>public SoapHeader(string className){this.ClassName = className;this.Properties = new Dictionary<string, object>();}/// <summary>/// 构造一个SOAP头/// </summary>/// <param name="className">SOAP头的类名</param>/// <param name="properties">SOAP头的类属性名及属性值</param>public SoapHeader(string className, Dictionary<string, object> properties){this.ClassName = className;this.Properties = properties;}/// <summary>/// SOAP头的类名/// </summary>public string ClassName { get; set; }/// <summary>/// SOAP头的类属性名及属性值/// </summary>public Dictionary<string, object> Properties { get; set; }/// <summary>/// 为SOAP头增加一个属性及值/// </summary>/// <param name="name">SOAP头的类属性名</param>/// <param name="value">SOAP头的类属性值</param>public void AddProperty(string name, object value){if (this.Properties == null){this.Properties = new Dictionary<string, object>();}Properties.Add(name, value);}}}}

public class MySoapHeader : System.Web.Services.Protocols.SoapHeader{private string userID = string.Empty;private string userPW = string.Empty;public string UserId{get { return userID; }set { userID = value; }}public string UserPW{get { return userPW; }set { userPW = value; }}
}

WebServiceHelper.SoapHeader header = new WebServiceHelper.SoapHeader("MySoapHeader");header.AddProperty("UserId", "admin");header.AddProperty("UserPW", "admin");object r = WebServiceHelper.InvokeWebService("http://localhost:9015/WebService1.asmx","HelloWorld2",header,null);Console.WriteLine(r.ToString());Console.ReadKey();