通过文件反射调用接口

#region 反射自动选择接口地址
        /// <summary>
        /// 缓冲池对象
        /// </summary>
        private static Dictionary<string, ServiceEntity> methodPool = new Dictionary<string, ServiceEntity>();

        /// <summary>
        /// web service 实体/// </summary>
        private class ServiceEntity
        {
            System.Reflection.MethodInfo _method;
            public System.Reflection.MethodInfo Method { get { return _method; } set { _method = value; } }

            Type _serviceType;
            public Type ServiceType { get { return _serviceType; } set { _serviceType = value; } }

            object _serviceTypeInstance;
            public object ServiceTypeInstance { get { return _serviceTypeInstance; } set { _serviceTypeInstance = value; } }
            public ServiceEntity(System.Reflection.MethodInfo method, Type serviceType, object serviceTypeInstance)
            {
                this.Method = method;
                this.ServiceType = serviceType;
                this.ServiceTypeInstance = serviceTypeInstance;
            }
        }

        ///   <summary>
        ///   根据指定的信息，调用远程WebService方法
        ///   </summary>
        ///   <param name="url">WebService的http形式的地址</param>
        ///   <param name="namespace">欲调用的WebService的命名空间</param>
        ///   <param name="classname">欲调用的WebService的类名（类名）</param>
        ///   <param name="methodname">欲调用的WebService的方法名</param>
        ///   <param name="args">参数列表</param>
        ///   <returns>WebService的执行结果</returns>
        ///   <remarks>
        ///   如果调用失败，将会抛出Exception。请调用的时候，适当截获异常。
        ///   异常信息可能会发生在两个地方：
        ///   1、动态构造WebService的时候，CompileAssembly失败。
        ///   2、WebService本身执行失败。
        ///   </remarks>
        ///   <example>
        ///   <code>
        ///   使用方法   
        ///   object [] mArgs = new object[2];   
        ///   mArgs[0] = "1321321321312";   
        ///   mArgs[1] = null;   
        ///   object mReturn = InvokeWebservice("http://localhost:3841/Service1.asmx", "WebService1", "Service1", "HelloWorldRef", mArgs);
        ///   </code>
        ///   </example>
        public static object InvokeWebservice(string url, string @namespace, string classname, string methodname, object[] args, out string Error)
        {
            Error = "";
            string serviceKey = String.Format("{0}_{1}_{2}_{3}", url, @namespace, classname, methodname);
            if (methodPool.ContainsKey(serviceKey))
            {
                if (methodPool[serviceKey].ServiceType != null && methodPool[serviceKey].Method != null)
                {
                    try
                    {
                        object instance = null;
                        if (methodPool[serviceKey].ServiceTypeInstance != null)
                            instance = methodPool[serviceKey].ServiceTypeInstance;
                        else
                            instance = Activator.CreateInstance(methodPool[serviceKey].ServiceType);
                        return methodPool[serviceKey].Method.Invoke(instance, args);
                    }
                    catch (Exception ex) { throw ex; }
                }
                else
                    methodPool.Remove(serviceKey);
            }

            try
            {
                System.Net.WebClient wc = new System.Net.WebClient();
                System.IO.Stream stream = wc.OpenRead(url + "?WSDL");
                System.Web.Services.Description.ServiceDescription sd = System.Web.Services.Description.ServiceDescription.Read(stream);
                System.Web.Services.Description.ServiceDescriptionImporter sdi = new System.Web.Services.Description.ServiceDescriptionImporter();
                sdi.AddServiceDescription(sd, "", "");
                System.CodeDom.CodeNamespace cn = new System.CodeDom.CodeNamespace(@namespace);
                System.CodeDom.CodeCompileUnit ccu = new System.CodeDom.CodeCompileUnit();
                ccu.Namespaces.Add(cn);
                sdi.Import(cn, ccu);
                Microsoft.CSharp.CSharpCodeProvider csc = new Microsoft.CSharp.CSharpCodeProvider();
                System.CodeDom.Compiler.ICodeCompiler icc = csc.CreateCompiler();
                System.CodeDom.Compiler.CompilerParameters cplist = new System.CodeDom.Compiler.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");
                System.CodeDom.Compiler.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 = t.GetMethod(methodname);
                methodPool.Add(serviceKey, new ServiceEntity(mi, t, obj));
                return mi.Invoke(obj, args);
            }
            catch (NullReferenceException NullEx)
            {
                Error = NullEx.ToString();
                return null;
            }
            catch (Exception Ex)
            {
                Error = Ex.Message;
                return null;
            }
        }
        #endregion

调用方法：

　　　　　　　　　　　　　　　　　　　object[] para = new object[2];
                                para[0] = item.DeviceNo;
                                para[1] = Convert.ToInt32(DeviceType);
                                string _Path = "http://localhost:3841/Service1.asmx"; //写入配置文件

                                object resultData =InvokeWebservice(_Path, "NameSpace", "Equipment", "DelDevice", para, out Error);
                                string strResultData = resultData == null ? "false" : resultData.ToString();

#region 反射自动选择接口地址        /// <summary>        /// 缓冲池对象        /// 2008.7.20 anson        /// </summary>        private static Dictionary<string, ServiceEntity> methodPool = new Dictionary<string, ServiceEntity>();
        /// <summary>        /// web service 实体        /// 2008.7.20 anson        /// </summary>        private class ServiceEntity        {            System.Reflection.MethodInfo _method;            public System.Reflection.MethodInfo Method { get { return _method; } set { _method = value; } }
            Type _serviceType;            public Type ServiceType { get { return _serviceType; } set { _serviceType = value; } }
            object _serviceTypeInstance;            public object ServiceTypeInstance { get { return _serviceTypeInstance; } set { _serviceTypeInstance = value; } }            public ServiceEntity(System.Reflection.MethodInfo method, Type serviceType, object serviceTypeInstance)            {                this.Method = method;                this.ServiceType = serviceType;                this.ServiceTypeInstance = serviceTypeInstance;            }        }
        ///   <summary>        ///   根据指定的信息，调用远程WebService方法        ///   </summary>        ///   <param name="url">WebService的http形式的地址</param>        ///   <param name="namespace">欲调用的WebService的命名空间</param>        ///   <param name="classname">欲调用的WebService的类名（不包括命名空间前缀）</param>        ///   <param name="methodname">欲调用的WebService的方法名</param>        ///   <param name="args">参数列表</param>        ///   <returns>WebService的执行结果</returns>        ///   <remarks>        ///   如果调用失败，将会抛出Exception。请调用的时候，适当截获异常。        ///   异常信息可能会发生在两个地方：        ///   1、动态构造WebService的时候，CompileAssembly失败。        ///   2、WebService本身执行失败。        ///   </remarks>        ///   <example>        ///   <code>        ///   使用方法           ///   object [] mArgs = new object[2];           ///   mArgs[0] = "1321321321312";           ///   mArgs[1] = null;           ///   object mReturn = InvokeWebservice("http://localhost:3841/Service1.asmx", "WebService1", "Service1", "HelloWorldRef", mArgs);        ///   </code>        ///   </example>        public static object InvokeWebservice(string url, string @namespace, string classname, string methodname, object[] args, out string Error)        {            Error = "";            string serviceKey = String.Format("{0}_{1}_{2}_{3}", url, @namespace, classname, methodname);            if (methodPool.ContainsKey(serviceKey))            {                if (methodPool[serviceKey].ServiceType != null && methodPool[serviceKey].Method != null)                {                    try                    {                        object instance = null;                        if (methodPool[serviceKey].ServiceTypeInstance != null)                            instance = methodPool[serviceKey].ServiceTypeInstance;                        else                            instance = Activator.CreateInstance(methodPool[serviceKey].ServiceType);                        return methodPool[serviceKey].Method.Invoke(instance, args);                    }                    catch (Exception ex) { throw ex; }                }                else                    methodPool.Remove(serviceKey);            }
            try            {                System.Net.WebClient wc = new System.Net.WebClient();                System.IO.Stream stream = wc.OpenRead(url + "?WSDL");                System.Web.Services.Description.ServiceDescription sd = System.Web.Services.Description.ServiceDescription.Read(stream);                System.Web.Services.Description.ServiceDescriptionImporter sdi = new System.Web.Services.Description.ServiceDescriptionImporter();                sdi.AddServiceDescription(sd, "", "");                System.CodeDom.CodeNamespace cn = new System.CodeDom.CodeNamespace(@namespace);                System.CodeDom.CodeCompileUnit ccu = new System.CodeDom.CodeCompileUnit();                ccu.Namespaces.Add(cn);                sdi.Import(cn, ccu);                Microsoft.CSharp.CSharpCodeProvider csc = new Microsoft.CSharp.CSharpCodeProvider();                System.CodeDom.Compiler.ICodeCompiler icc = csc.CreateCompiler();                System.CodeDom.Compiler.CompilerParameters cplist = new System.CodeDom.Compiler.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");                System.CodeDom.Compiler.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 = t.GetMethod(methodname);                methodPool.Add(serviceKey, new ServiceEntity(mi, t, obj));                return mi.Invoke(obj, args);            }            catch (NullReferenceException NullEx)            {                Error = NullEx.ToString();                return null;            }            catch (Exception Ex)            {                Error = Ex.Message;                return null;            }        }        #endregion