• 动态使用webservice,以及含有ref类型的参数的问题


      public class WSHelper
        {
            /// < summary>           
            /// 动态调用web服务         
            /// < /summary>          
            /// < param name="url">WSDL服务地址< /param> 
            /// < param name="methodname">方法名< /param>           
            /// < param name="args">参数< /param>           
            /// < returns>< /returns>          
            public static object InvokeWebService(string url, string methodname, object[] args, Type[] arrytype)
            {
                return WSHelper.InvokeWebService(url + "/Services/ExcelAddIns.asmx", null, methodname, args, arrytype);
            }
            /// < summary>          
            /// 动态调用web服务 
            /// < /summary>          
            /// < param name="url">WSDL服务地址< /param>
            /// < param name="classname">类名< /param>  
            /// < param name="methodname">方法名< /param>  
            /// < param name="args">参数< /param> 
            /// < returns>< /returns>
            public static object InvokeWebService(string url, string classname, string methodname, object[] args, Type[] arrytype)
            {
                string @namespace = "OGC_Addin.Class";
                if ((classname == null) || (classname == ""))
                {
                    classname = WSHelper.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());
                    }
    
                    System.Reflection.Assembly assembly = cr.CompiledAssembly;
                    Type t = assembly.GetType(@namespace + "." + classname, true, true);
                    object obj = Activator.CreateInstance(t);
                    System.Reflection.MethodInfo mi;
    
                    if (arrytype.Length > 0)
                    {
                        mi = t.GetMethod(methodname, arrytype);
                    }
                    else
                    {
                        mi = t.GetMethod(methodname);
                    }
    
                    return mi.Invoke(obj, args);
                }
                catch (Exception ex)
                {
                    throw new Exception(ex.InnerException.Message, new Exception(ex.InnerException.StackTrace));
                }
            }
            private static string GetWsClassName(string wsUrl)
            {
                string[] parts = wsUrl.Split('/');
                string[] pps = parts[parts.Length - 1].Split('.');
                return pps[0];
            }
        }
    //----------------------------------------------------------
    //参数传递方式



            public int ApproveTestReportByHHX(string SeverUrl, int testReportId, string UId, ref string msg)
            {
                int tem =0;

                object[] para_arry = new object[3];
                para_arry[0] = testReportId;
                para_arry[1] = UId;
                para_arry[2] = msg;

                Type[] type_arry = new Type[] {
                typeof(int),
                typeof(string),
                typeof(string).MakeByRefType()
                };
                tem =(bool) WSHelper.InvokeWebService(SeverUrl, "ApproveReportByHHX", para_arry, type_arry)?1:0;
                //Ogcis_Server.ExcelAddInsSoapClient soap = new Ogcis_Server.ExcelAddInsSoapClient();
                //tem = soap.ApproveReportByHHX(testReportId, UId, ref msg);
                msg=para_arry[2].ToString();
                return tem;
            }
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  • 原文地址:https://www.cnblogs.com/muxueyuan/p/5909624.html
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