C# 调用WCF服务

using System;
using System.Reflection;
using System.ServiceModel;
using System.ServiceModel.Channels;

namespace ManageSystem.Common {
    public class WCFChannelFactory {
        /// <summary>
        /// 执行方法   WSHttpBinding
        /// </summary>
        /// <typeparam name="T">服务接口</typeparam>
        /// <param name="uri">wcf地址</param>
        /// <param name="methodName">方法名</param>
        /// <param name="args">参数列表</param>
        public static object ExecuteMethod<T>(string uri, string methodName, params object[] args) {
            BasicHttpBinding binding = new BasicHttpBinding();
            EndpointAddress endpoint = new EndpointAddress(uri);

            using (ChannelFactory<T> channelFactory = new ChannelFactory<T>(binding, endpoint)) {
                T instance = channelFactory.CreateChannel();
                using (instance as IDisposable) {
                    try {
                        Type type = typeof(T);
                        MethodInfo mi = type.GetMethod(methodName);
                        return mi.Invoke(instance, args);
                    }
                    catch (TimeoutException) {
                        //(instance as ICommunicationObject).Abort();
                        //throw;
                    }
                    catch (CommunicationException) {
                        //(instance as ICommunicationObject).Abort();
                        //throw;
                    }
                    catch (Exception) {
                        //(instance as ICommunicationObject).Abort();
                        //throw;
                    }
                }
            }
            return null;
        }
   }
}