/// <summary> /// InvokeWebService 动态调用web服务 /// </summary> public static object InvokeWebService(string wsUrl, string classname, string methodname, object[] args) { try { Type wsProxyType = WebServiceHelper.GetWsProxyType(wsUrl, classname); object obj = Activator.CreateInstance(wsProxyType); MethodInfo mi = wsProxyType.GetMethod(methodname); return(mi.Invoke(obj, args)); } catch (Exception ex) { new LogHelper("WebService帮助类调用异常").WriteLog(ex); throw ex;//调用出错异常信息 参数不正确?类型不对? } }
/// <summary> /// GetWsProxyType 获取目标Web服务对应的代理类型 /// </summary> /// <param name="wsUrl">目标Web服务的url</param> /// <param name="classname">Web服务的class名称,如果不需要指定,则传入null</param> public static Type GetWsProxyType(string wsUrl, string classname) { string @namespace = "PXLib";//这个命名空间 一个service文件下有多个calss 好像没卵用 if (string.IsNullOrEmpty(classname)) { classname = WebServiceHelper.GetWsClassName(wsUrl); } string cacheKey = wsUrl + "@" + classname; if (WebServiceHelper.WSProxyTypeDictionary.ContainsKey(cacheKey)) { return(WebServiceHelper.WSProxyTypeDictionary[cacheKey]); } //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 icc = 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 = 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[] ts = assembly.GetTypes(); Type wsProxyType = assembly.GetType(@namespace + "." + classname, true, true); lock (WebServiceHelper.WSProxyTypeDictionary) { if (!WebServiceHelper.WSProxyTypeDictionary.ContainsKey(cacheKey)) { WebServiceHelper.WSProxyTypeDictionary.Add(cacheKey, wsProxyType); } } return(wsProxyType); }
/// <summary> /// InvokeWebService 动态调用web服务 /// </summary> /// <param name="wsUrl">WebService 地址</param> /// <param name="methodname">方法名</param> /// <param name="args">参数,仅仅支持简单类型</param> public static object InvokeWebService(string webServiceUrl, string methodname, object[] args) { return(WebServiceHelper.InvokeWebService(webServiceUrl, null, methodname, args)); }