public class RemoteServiceProxy : IApiService
{
 public string Address { get; set; } //服務(wù)地址private ApiActionResult PostHttpRequest(string interfaceId, string methodId, params object[] p)
 {
 ApiActionResult apiRetult = null;
 using (var httpClient = new HttpClient())
 {
  var param = new ArrayList(); //包裝參數(shù)

  foreach (var t in p)
  {
  if (t == null)
  {
   param.Add(null);
  }
  else
  {
   var ns = t.GetType().Namespace;
   param.Add(ns != null && ns.Equals("System") ? t : JsonConvert.SerializeObject(t));
  }
  }
  var postContentStr = JsonConvert.SerializeObject(param);
  HttpContent httpContent = new StringContent(postContentStr);
  if (CurrentUserId != Guid.Empty)
  {
  httpContent.Headers.Add("UserId", CurrentUserId.ToString());
  }
  httpContent.Headers.Add("EnterpriseId", EnterpriseId.ToString());
  httpContent.Headers.ContentType = new MediaTypeHeaderValue("application/json");

  var url = Address.TrimEnd('/') + $"/{interfaceId}/{methodId}";
  AppRuntimes.Instance.Loger.Debug($"httpRequest:{url},data:{postContentStr}");

  var response = httpClient.PostAsync(url, httpContent).Result; //提交請求

  if (!response.IsSuccessStatusCode)
  {
  AppRuntimes.Instance.Loger.Error($"httpRequest error:{url},statuscode:{response.StatusCode}");
  throw new ICVIPException("網(wǎng)絡(luò)異常或服務(wù)響應(yīng)失敗");
  }
  var responseStr = response.Content.ReadAsStringAsync().Result;
  AppRuntimes.Instance.Loger.Debug($"httpRequest response:{responseStr}");

  apiRetult = JsonConvert.DeserializeObject<ApiActionResult>(responseStr);
 }
 if (!apiRetult.IsSuccess)
 {
  throw new BusinessException(apiRetult.Message ?? "服務(wù)請求失敗");
 }
 return apiRetult;
 }

 //有返回值的方法代理
 public T Invoke<T>(string interfaceId, string methodId, params object[] param)
 {
 T rs = default(T);

 var apiRetult = PostHttpRequest(interfaceId, methodId, param);

 try
 {
  if (typeof(T).Namespace == "System")
  {
  rs = (T)TypeConvertUtil.BasicTypeConvert(typeof(T), apiRetult.Data);
  }
  else
  {
  rs = JsonConvert.DeserializeObject<T>(Convert.ToString(apiRetult.Data));
  }
 }
 catch (Exception ex)
 {
  AppRuntimes.Instance.Loger.Error("數(shù)據(jù)轉(zhuǎn)化失敗", ex);
  throw;
 }
 return rs;
 }

 //沒有返回值的代理
 public void InvokeWithoutReturn(string interfaceId, string methodId, params object[] param)
 {
 PostHttpRequest(interfaceId, methodId, param);
 }
}

[Route("api/svc/{interfaceId}/{methodId}"), Produces("application/json")]
public async Task<ApiActionResult> Process(string interfaceId, string methodId)
{
 Stopwatch stopwatch = new Stopwatch();
 stopwatch.Start();
 ApiActionResult result = null;
 string reqParam = string.Empty;
 try
 {
 using (var reader = new StreamReader(Request.Body, Encoding.UTF8))
 {
  reqParam = await reader.ReadToEndAsync();
 }
 AppRuntimes.Instance.Loger.Debug($"recive client request:api/svc/{interfaceId}/{methodId},data:{reqParam}");

 ArrayList param = null;
 if (!string.IsNullOrWhiteSpace(reqParam))
 {
  //解析參數(shù)
  param = JsonConvert.DeserializeObject<ArrayList>(reqParam);
 } 
 //轉(zhuǎn)交本地服務(wù)處理中心處理
 var data = LocalServiceExector.Exec(interfaceId, methodId, param);
 result = ApiActionResult.Success(data);
 }
 catch BusinessException ex) //業(yè)務(wù)異常
 {
 result = ApiActionResult.Error(ex.Message);
 }
 catch (Exception ex)
 {
 //業(yè)務(wù)異常
 if (ex.InnerException is BusinessException)
 {
  result = ApiActionResult.Error(ex.InnerException.Message);
 }
 else
 {
  AppRuntimes.Instance.Loger.Error($"調(diào)用服務(wù)發(fā)生異常{interfaceId}-{methodId},data:{reqParam}", ex);
  result = ApiActionResult.Fail("服務(wù)發(fā)生異常");
 }
 }
 finally
 {
 stopwatch.Stop();
 AppRuntimes.Instance.Loger.Debug($"process client request end:api/svc/{interfaceId}/{methodId},耗時[ {stopwatch.ElapsedMilliseconds} ]毫秒");
 }
 //result.Message = AppRuntimes.Instance.GetCfgVal("ServerName") + " " + result.Message;
 result.Message = result.Message;
 return result;
}

public static object Exec(string interfaceId, string methodId, ArrayList param)
{
 var svcMethodInfo = GetInstanceAndMethod(interfaceId, methodId, param.Count);
 var currentMethodParameters = new ArrayList();

 for (var i = 0; i < svcMethodInfo.Paramters.Length; i++)
 {
 var tempParamter = svcMethodInfo.Paramters[i];

 if (param[i] == null)
 {
  currentMethodParameters.Add(null);
 }
 else
 {
  if (!tempParamter.ParameterType.Namespace.Equals("System") || tempParamter.ParameterType.Name == "Byte[]")
  {
  currentMethodParameters.Add(JsonConvert.DeserializeObject(Convert.ToString(param[i]), tempParamter.ParameterType)
  }
  else
  {
  currentMethodParameters.Add(TypeConvertUtil.BasicTypeConvert(tempParamter.ParameterType, param[i]));
  }
 }
 }

 return svcMethodInfo.Invoke(currentMethodParameters.ToArray());
}

private static InstanceMethodInfo GetInstanceAndMethod(string interfaceId, string methodId, int paramCount)
{
 var methodKey = $"{interfaceId}_{methodId}_{paramCount}";
 if (methodCache.ContainsKey(methodKey))
 {
 return methodCache[methodKey];
 }
 InstanceMethodInfo temp = null;

 var svcType = ServiceFactory.GetSvcType(interfaceId, true);
 if (svcType == null)
 {
 throw new ICVIPException($"找不到API接口的服務(wù)實現(xiàn):{interfaceId}");
 }
 var methods = svcType.GetMethods().Where(t => t.Name == methodId).ToList();
 if (methods.IsNullEmpty())
 {
 throw new BusinessException($"在API接口[{interfaceId}]的服務(wù)實現(xiàn)中[{svcType.FullName}]找不到指定的方法:{methodId}");
 }
 var method = methods.FirstOrDefault(t => t.GetParameters().Length == paramCount);
 if (method == null)
 {
 throw new ICVIPException($"在API接口中[{interfaceId}]的服務(wù)實現(xiàn)[{svcType.FullName}]中,方法[{methodId}]參數(shù)個數(shù)不匹配");
 }
 var paramtersTypes = method.GetParameters();

 object instance = null;
 try
 {
 instance = Activator.CreateInstance(svcType);
 }
 catch (Exception ex)
 {
 throw new BusinessException($"在實例化服務(wù)[{svcType}]發(fā)生異常,請確認(rèn)其是否包含一個無參的構(gòu)造函數(shù)", ex);
 }
 temp = new InstanceMethodInfo()
 {
 Instance = instance,
 InstanceType = svcType,
 Key = methodKey,
 Method = method,
 Paramters = paramtersTypes
 };
 if (!methodCache.ContainsKey(methodKey))
 {
 lock (_syncAddMethodCacheLocker)
 {
  if (!methodCache.ContainsKey(methodKey))
  {
  methodCache.Add(methodKey, temp);
  }
 }
 }
 return temp;

[
 {
 "ServiceId": "XZL.Api.IOrderService",
 "Address": "http://localhost:8801/api/svc"
 },
 {
 "ServiceId": "XZL.Api.IUserService",
 "Address": "http://localhost:8802/api/svc"
 } 
]

private static List<(string typeName, Type svcType)> svcTypeDic;
private static ConcurrentDictionary<string, Object> svcInstance = new ConcurrentDictionary<string, object>();
 
public static TService GetService<TService>()
 {
 var serviceId = typeof(TService).FullName;

 //讀取服務(wù)配置
 var serviceInfo = ServiceConfonfig.Instance.GetServiceInfo(serviceId);
 if (serviceInfo == null)
 {
  return (TService)Activator.CreateInstance(GetSvcType(serviceId));
 }
 else
 { 
  var rs = GetService<TService>(serviceId + (serviceInfo.IsRemote ? "|Remote" : ""), serviceInfo.IsSingle);
  if (rs != null && rs is RemoteServiceProxy)
  {
  var temp = rs as RemoteServiceProxy;
  temp.Address = serviceInfo.Address; //指定服務(wù)地址
  }
  return rs;
 }
 }
public static TService GetService<TService>(string interfaceId, bool isSingle)
{
 //服務(wù)非單例模式
 if (!isSingle)
 {
 return (TService)Activator.CreateInstance(GetSvcType(interfaceId));
 }

 object obj = null;
 if (svcInstance.TryGetValue(interfaceId, out obj) && obj != null)
 {
 return (TService)obj;
 }
 var svcType = GetSvcType(interfaceId);

 if (svcType == null)
 {
 throw new ICVIPException($"系統(tǒng)中未找到[{interfaceId}]的代理類");
 }
 obj = Activator.CreateInstance(svcType);

 svcInstance.TryAdd(interfaceId, obj);
 return (TService)obj;
}

//獲取服務(wù)的實現(xiàn)類
public static Type GetSvcType(string interfaceId, bool? isLocal = null)
{
 if (!_loaded)
 {
 LoadServiceType();
 }
 Type rs = null;
 var tempKey = interfaceId;

 var temp = svcTypeDic.Where(x => x.typeName == tempKey).ToList();

 if (temp == null || temp.Count == 0)
 {
 return rs;
 }

 if (isLocal.HasValue)
 {
 if (isLocal.Value)
 {
  rs = temp.FirstOrDefault(t => !typeof(RemoteServiceProxy).IsAssignableFrom(t.svcType)).svcType;
 }
 else
 {
  rs = temp.FirstOrDefault(t => typeof(RemoteServiceProxy).IsAssignableFrom(t.svcType)).svcType;
 }
 }
 else
 {
 rs = temp[0].svcType;
 }
 return rs;
}

public static void LoadServiceType()
 {
 if (_loaded)
 {
  return;
 }
 lock (_sync)
 {
  if (_loaded)
  {
  return;
  } 
  try
  {
  svcTypeDic = new List<(string typeName, Type svcType)>();
  var path = AppDomain.CurrentDomain.RelativeSearchPath ?? AppDomain.CurrentDomain.BaseDirectory;
  var dir = new DirectoryInfo(path);
  var files = dir.GetFiles("XZL*.dll");
  foreach (var file in files)
  { 
   var types = LoadAssemblyFromFile(file);
   svcTypeDic.AddRange(types);
  } 
  _loaded = true;
  }
  catch
  {
  _loaded = false;
  }
 }
 }

//加載指定文件中的ApiService實現(xiàn)
private static List<(string typeName, Type svcType)> LoadAssemblyFromFile(FileInfo file)
{
 var lst = new List<(string typeName, Type svcType)>();
 if (file.Extension != ".dll" && file.Extension != ".exe")
 {
 return lst;
 }
 try
 {
 var types = Assembly.Load(file.Name.Substring(0, file.Name.Length - 4))
   .GetTypes()
   .Where(c => c.IsClass && !c.IsAbstract && c.IsPublic);
 foreach (Type type in types)
 {
  //客戶端代理基類
  if (type == typeof(RemoteServiceProxy))
  {
  continue;
  }

  if (!typeof(IApiService).IsAssignableFrom(type))
  {
  continue;
  }

  //綁定現(xiàn)類
  lst.Add((type.FullName, type));

  foreach (var interfaceType in type.GetInterfaces())
  {
  if (!typeof(IApiService).IsAssignableFrom(interfaceType))
  {
   continue;
  } 
 //綁定接口與實際實現(xiàn)類
  lst.Add((interfaceType.FullName, type)); 
  }
 }
 }
 catch
 {
 }

 return lst;
}

public class UserServiceProxy : RemoteServiceProxy, IUserService
 {
 private string serviceId = typeof(IUserService).FullName;

 public void IncreaseScore(int userId,int score)
 {
  return InvokeWithoutReturn(serviceId, nameof(IncreaseScore), userId,score);
 }
 public UserInfo GetUserById(int userId)
 {
  return Invoke<UserInfo >(serviceId, nameof(GetUserById), userId);
 }
}