动态调用WebService

using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Net;

using System.Web.Services.Description;

using System.CodeDom;

using Microsoft.CSharp;

using System.CodeDom.Compiler;

using System.IO;



namespace IBO.XJMYQP.Utility

{

    public class WebServiceInvoke

    {

        public static object InvokeWebService(string url, string methodname)

        {

            return InvokeWebService("", url, null, methodname, null);

        }



        public static object InvokeWebService(string url, string methodname, object[] args)

        {

            return InvokeWebService("", url, null, methodname, args);

        }



        public static object InvokeWebService(string nameSpace, string url, string methodname, object[] args)

        {

            return InvokeWebService(nameSpace, url, null, methodname, args);

        }



        public static object InvokeWebService(string nameSpace, string url, string classname, string methodname, object[] args)

        {

            string @namespace = nameSpace;

            if ((classname == null) || (classname == ""))

            {

                classname = 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 csc = new CSharpCodeProvider();

                ICodeCompiler icc = csc.CreateCompiler();



                //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);

                object obj = Activator.CreateInstance(t);

                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));

            }

        }



        private static string GetWsClassName(string wsUrl)

        {

            string[] parts = wsUrl.Split('/');

            string[] pps = parts[parts.Length - 1].Split('.');



            return pps[0];

        }

    }

}

View Code

调用：

 WebServiceInvoke.InvokeWebService(url, "GetServiceStatus");

其他博客：

http://linglong117.blog.163.com/blog/static/277145472009127514463/

http://blog.csdn.net/gdjlc/article/details/8560405

另外一种动态方式： 记录一个.net平台下动态调用webservice的处理类(动态编辑请求soap信息)

实质上就是基于Http get/post请求来调用webservice 

http://blog.csdn.net/cyf_cyf/article/details/7197021

C#动态调用webservice方法

http://www.cnblogs.com/wuyifu/p/3297938.html