c#——web service异构系统调用

 public static class WebServiceInvoker    {        /// <summary>        /// 动态调用WebService        /// </summary>        /// <param name="url">WebService地址</param>        /// <param name="methodname">方法名(模块名)</param>        /// <param name="args">参数列表,无参数为null</param>        /// <returns>object</returns>        public static object InvokeWebService(string url, string methodname, object[] args)        {            return InvokeWebService(url, null, methodname, args);        }        /// <summary>        /// 动态调用WebService        /// </summary>        /// <param name="url">WebService地址</param>        /// <param name="classname">类名</param>        /// <param name="methodname">方法名(模块名)</param>        /// <param name="args">参数列表</param>        /// <returns>object</returns>        public static object InvokeWebService(string url, string classname, string methodname, object[] args)        {            string @namespace = "WebService.webservice";            if (classname == null || classname == "")            {                classname = WebServiceInvoker.GetClassName(url);            }            WebClient wc = new WebClient();            Stream stream = wc.OpenRead(url + "?WSDL");   //获取服务描述语言(WSDL)            ServiceDescription sd = ServiceDescription.Read(stream);    //通过直接从 Stream实例加载 XML 来初始化ServiceDescription类的实例。            ServiceDescriptionImporter sdi = new ServiceDescriptionImporter();            sdi.AddServiceDescription(sd, "", "");            CodeNamespace cn = new CodeNamespace(@namespace);  //CodeNamespace表示命名空间声明。                                                               //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();//取得C#程式码编译器的执行个体            //设定编译器的参数            CompilerParameters cplist = new CompilerParameters();//创建编译器的参数实例            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 StringBuilder();                foreach (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);            object obj = Activator.CreateInstance(t);            System.Reflection.MethodInfo mi = t.GetMethod(methodname);//MethodInfo 的实例可以通过调用GetMethods或者Type对象或派生自Type的对象的GetMethod方法来获取，还可以通过调用表示泛型方法定义的 MethodInfo 的MakeGenericMethod方法来获取。            return mi.Invoke(obj, args);        }        private static string GetClassName(string url)        {            //假如URL为"http://localhost/InvokeService/Service1.asmx"            //最终的返回值为 Service1            string[] parts = url.Split('/');            string[] pps = parts[parts.Length - 1].Split('.');            return pps[0];        }    }

 #region webservice调用示例            //string url = "http://localhost:31578/TestWebService.asmx";            //string methodName = "HelloWorld";            //String result = WebServiceInvoker.InvokeWebService(url, methodName, null).ToString();            //Console.WriteLine("测试调用本地webService方法结果：" + result);            #endregion