C# 动态调用WebService 3

using Microsoft.CSharp;
using System;
using System.CodeDom;
using System.CodeDom.Compiler;
using System.IO;
using System.Net;
using System.Reflection;
using System.Text;
using System.Web.Services.Description;

namespace BOBO
{
    public class MyWSDL
    {
        public object InvokeWebService3(string url, string methodname, int WSDLCacheTime, params object[] args)
        {
            return InvokeWebService(url, methodname, WSDLCacheTime, args);
        }

        public object InvokeWebService2(string url, string methodname, params object[] args)
        {
            return InvokeWebService(url, methodname, 60, args);
        }

        /// <summary>
        /// 实例化WebServices
        /// </summary>
        /// <param name="url">WebServices地址</param>
        /// <param name="methodname">调用的方法</param>
        /// <param name="args">把webservices里需要的参数按顺序放到这个object[]里</param>
        public object InvokeWebService(string url, string methodname, int WSDLCacheTime, object[] args)
        {
            try
            {
                object obj = null;
                MethodInfo mi = GetMethodInfo(url, methodname, ref obj, WSDLCacheTime);
                return mi.Invoke(obj, args);
            }
            catch (Exception ex)
            {
                ex.ToString();
                return null;
            }
        }

        MyString mstr = new MyString();
        CacheManage cm = new CacheManage();

        public MethodInfo GetMethodInfo(string url, string methodname, ref object obj, int WSDLCacheTime = 60 * 60)
        {
            string fname = MethodBase.GetCurrentMethod().Name;
            string key = mstr.MD5Encrypt(fname + url + methodname);
            MethodInfo mi = (MethodInfo)cm.GetFromCache(key);
            obj = cm.GetFromCache(key + "obj");
            if (mi == null)
            {
                string @namespace = "client";
                //获取WSDL
                WebClient wc = new WebClient();
                Stream stream = wc.OpenRead(url + "?WSDL");
                ServiceDescription sd = ServiceDescription.Read(stream);
                sd.Bindings.Add(CreateBinding("MaxBufferSize", "2147483647"));
                sd.Bindings.Add(CreateBinding("maxReceivedMessageSize", "2147483647"));
                string classname = sd.Services[0].Name;
                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;//动态编译后的程序集不生成可执行文件
                cplist.GenerateInMemory = true;//动态编译后的程序集只存在于内存中，不在硬盘的文件上
                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 = csc.CompileAssemblyFromDom(cplist, ccu);
                if (true == cr.Errors.HasErrors)
                {
                    StringBuilder sb = new StringBuilder();
                    foreach (CompilerError ce in cr.Errors)
                    {
                        sb.Append(ce.ToString());
                        sb.Append(Environment.NewLine);
                    }

                    throw new Exception(sb.ToString());
                }

                //生成代理实例，并调用方法
                Assembly assembly = cr.CompiledAssembly;
                Type t = assembly.GetType(@namespace + "." + classname, true, true);

                obj = Activator.CreateInstance(t);
                mi = t.GetMethod(methodname);
                if (WSDLCacheTime < 60)
                {
                    WSDLCacheTime = 60;
                }
                cm.SetCache(key, mi, WSDLCacheTime);
                cm.SetCache(key + "obj", obj, WSDLCacheTime + 5);
            }
            return mi;
        }

        private Binding CreateBinding(string name, string doc)
        {
            Binding bd = new Binding();
            bd.Name = name;
            bd.Documentation = doc;
            return bd;
        }
    }
}

  <system.serviceModel>
    <bindings>
      <basicHttpBinding>
        <binding maxBufferSize="2147483647" maxReceivedMessageSize="2147483647">
        </binding>
      </basicHttpBinding>
    </bindings>
  </system.serviceModel>