反射找Controller中的方法

       /// <summary>
        /// 根据接口编码APICode，调用相应的webapi方法，注意返回值是json字符串
        /// </summary>
        /// <param name="apiCode">接口编码</param>
        /// <param name="requestJson">请求的json字符串</param>
        /// <returns>返回的json字符串</returns>
        public string Send(string apiCode, string requestJson)
        {

            var isExsitMethod = false;
            var resultJson = string.Empty;
            Assembly assembly = Assembly.GetExecutingAssembly(); //加载当前应用程序集
            Type[] typearr = assembly.GetTypes().Where(x => x.BaseType != null && x.BaseType.Name == "Controller").ToArray();
            //获取类型过滤掉非Controller控制器
            MethodInfo methodinfo = null;
            Type curtype = null;
            foreach (Type type in typearr) //针对每个类型获取详细信息
            {
                methodinfo = type.GetMethod(apiCode); //获取方法信息
                if (methodinfo != null)
                {
                    isExsitMethod = true;
                    curtype = type;
                    break;
                }
            }
            if (isExsitMethod)
            {
                ParameterInfo[] paramsInfo = methodinfo.GetParameters(); //得到指定方法的参数列表 
                Type tType = paramsInfo[0].ParameterType;
                var obj = new object[1];
                if (tType.IsClass) //如果是类,将它的json字符串转换成对象   
                {
                    obj[0] = Newtonsoft.Json.JsonConvert.DeserializeObject(requestJson, tType);

                }
                object objtype = Assembly.GetExecutingAssembly().CreateInstance(curtype.FullName.ToString(), true, BindingFlags.Default, null, new object[0], null, null);
                var response = methodinfo.Invoke(objtype, obj);
                resultJson = SerializeHelper.ToJson(response);
                return resultJson;
            }

            return string.Format("未找到方法{0}", apiCode);

        }