public static object InvokeWebService(string url, string className, string methodName, object[] args) { const string nameSpace = "ChaYeFeng.WebService.DynamicWebCalling"; if (string.IsNullOrEmpty(className)) { className = WebServiceHelper.GetWsClassName(url); } try { //获取wsdl WebClient wc = new WebClient(); Stream stream = wc.OpenRead(url + "?WSDL"); ServiceDescription sd = ServiceDescription.Read(stream); ServiceDescriptionImporter sdi = new ServiceDescriptionImporter(); sdi.AddServiceDescription(sd, "", ""); CodeNamespace cn = new CodeNamespace(nameSpace); //生成客户端代理代码 CodeCompileUnit ccu = new CodeCompileUnit(); ccu.Namespaces.Add(cn); sdi.Import(cn, ccu); CSharpCodeProvider cscp = new CSharpCodeProvider(); //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 = cscp.CompileAssemblyFromDom(cplist, ccu); if (cr.Errors.HasErrors == true) { StringBuilder sb = new StringBuilder(); foreach (CompilerError error in cr.Errors) { sb.Append(error.ToString()); sb.Append(Environment.NewLine); } throw new Exception(sb.ToString()); } //生成代理实例 Assembly assembly = cr.CompiledAssembly; Type t = assembly.GetType(nameSpace + "." + className, true, false); object obj = Activator.CreateInstance(t); MethodInfo mi = t.GetMethod(methodName); //调用方法并返回结果 return(mi.Invoke(obj, args)); } catch (Exception ex) { throw new Exception(ex.InnerException.Message, new Exception(ex.InnerException.StackTrace)); } }
public static object InvokeWebService(string url, string methodName, object[] args) { return(WebServiceHelper.InvokeWebService(url, null, methodName, args)); }