/// <summary> /// 用户名是否重复 /// </summary> /// <param name="userInfo">用户</param> /// <param name="parameters">字段名,字段值</param> /// <returns>已存在</returns> public bool Exists(BaseUserInfo userInfo, List <KeyValuePair <string, object> > parameters) { // 写入调试信息 #if (DEBUG) int milliStart = BaseBusinessLogic.StartDebug(userInfo, MethodBase.GetCurrentMethod()); #endif // 加强安全验证防止未授权匿名调用 #if (!DEBUG) LogOnService.UserIsLogOn(userInfo); #endif bool returnValue = false; using (IDbHelper dbHelper = DbHelperFactory.GetHelper(BaseSystemInfo.UserCenterDbType)) { try { dbHelper.Open(UserCenterDbConnection); BaseUserManager userManager = new BaseUserManager(dbHelper); returnValue = userManager.Exists(parameters); } catch (Exception ex) { BaseExceptionManager.LogException(dbHelper, userInfo, ex); throw ex; } finally { dbHelper.Close(); } } // 写入调试信息 #if (DEBUG) BaseBusinessLogic.EndDebug(MethodBase.GetCurrentMethod(), milliStart); #endif return(returnValue); }