C# ParameterInfo类代码示例

    private void OnSerializing() {
        Animator animator = GetComponent<Animator>();

        // Store the current state for each layer
        layerData = new LayerInfo[animator.layerCount];
        for (int i = 0; i < animator.layerCount; i++) {
            layerData[i] = new LayerInfo {
                index = i,
                currentHash = animator.GetCurrentAnimatorStateInfo(i).shortNameHash,
                nextHash = animator.GetNextAnimatorStateInfo(i).shortNameHash,
                normalizedTimeCurrent = animator.GetCurrentAnimatorStateInfo(i).normalizedTime,
                normalizedTimeNext = animator.GetNextAnimatorStateInfo(i).normalizedTime,
                weight = animator.GetLayerWeight(i)
            };
        }

        // Store every parameter
        parameterData = new ParameterInfo[animator.parameterCount];
        for (int i = 0; i < animator.parameterCount; i++) {
            parameterData[i] = new ParameterInfo {
                number = animator.parameters[i].nameHash,
                type = animator.parameters[i].type,
                value = GetParameterValue(animator.parameters[i].nameHash, animator.parameters[i].type, animator)
            };
        }
    }

	public static void ConvertParameters(EngineManager manager, ParameterInfo[] parameterInfo, ref object[] parameters)
	{
		for (int i = 0; i < parameterInfo.Length; i++)
		{
			if (Common.TypeInheritsFrom(parameterInfo[i].ParameterType, typeof(EngineObject)) && parameters[i].GetType() == typeof(int))
			{
				parameters[i] = manager.GetObject<EngineObject>((int)parameters[i]);
			}

			if (parameterInfo[i].ParameterType == typeof(object[]))
			{
				object[] tempObjects = new object[parameters.Length - i];

				for (int j = 0; j < tempObjects.Length; j++)
				{
					tempObjects[j] = parameters[i + j];
				}

				parameters[i] = tempObjects;

				object[] newParameters = new object[i + 1];
				for (int j = 0; j < newParameters.Length; j++)
				{
					newParameters[j] = parameters[j];
				}

				parameters = newParameters;
			}
		}
	}

        public override string CreateUrl(ParameterInfo yeepay)
        {
            var info = yeepay as YeePayParasInfo;
            if (info == null) return "";
            //签名
            var sb = "Buy";
            sb += Configs.GetPartnerId();
            sb += info.OrderNum;
            sb += info.Amount.ToString("0.00");
            sb += info.Cur;
            sb += info.ProName;
            sb += info.ProCate;
            sb += info.ProDesc;
            sb += info.ReturnUrl;
            sb += info.Saf;
            sb += info.ExtentInfo;
            sb += info.FrpId;
            sb += (info.NeedResponse ? "1" : "0");
            var hmac = Digest.HmacSign(sb, Configs.GetKey());

            var url = Configs.RequestPayUrl;
            url += string.Format(Configs.Paras, Configs.GetPartnerId(),
                                 HttpUtility.UrlEncode(info.OrderNum, Configs.DefCoding), info.Amount.ToString("0.00"), info.Cur,
                                 HttpUtility.UrlEncode(info.ProName, Configs.DefCoding),
                                 HttpUtility.UrlEncode(info.ProCate, Configs.DefCoding),
                                 HttpUtility.UrlEncode(info.ProDesc, Configs.DefCoding),
                                 HttpUtility.UrlEncode(info.ReturnUrl, Configs.DefCoding),
                                 info.Saf, HttpUtility.UrlEncode(info.ExtentInfo, Configs.DefCoding), info.FrpId,
                                 (info.NeedResponse ? "1" : "0"), hmac);
            return url;
        }

            public override void VisitParameter(ParameterAttribute parameter)
            {
                _parameterInfo = new ParameterInfo(CurrentProperty, parameter);
                _cmdletInfo.AddParameter(_parameterInfo);

                base.VisitParameter(parameter);
            }

        public IEnumerable<IConceptInfo> CreateNewConcepts(IEnumerable<IConceptInfo> existingConcepts)
        {
            var newConcepts = new List<IConceptInfo>();

            ParameterInfo filterParameter;
            var filterNameElements = FilterName.Split('.');
            if (filterNameElements.Count() == 2)
                filterParameter = new ParameterInfo { Module = new ModuleInfo { Name = filterNameElements[0] }, Name = filterNameElements[1] };
            else
                filterParameter = new ParameterInfo { Module = Source.Module, Name = FilterName };

            if (!existingConcepts.OfType<DataStructureInfo>() // Existing filter parameter does not have to be a ParameterInfo. Any DataStructureInfo is allowed.
                .Any(item => item.Module.Name == filterParameter.Module.Name && item.Name == filterParameter.Name))
                    newConcepts.Add(filterParameter);

            var composableFilter = new ComposableFilterByInfo
            {
                Source = Source,
                Parameter = filterParameter.GetKeyProperties(),
                Expression = "(source, repository, parameter) => source.Where(" + Expression + ")"
            };

            newConcepts.Add(composableFilter);

            return newConcepts;
        }

        public Expression<Func<object>> GetValueFactory(string key, ParameterInfo parameter = null)
        {
            Guard.EnsureIsNotNullOrEmpty("key", key);

            if (!Delegates.ContainsKey(key))
            {
                return null;
            }

            var expression = Delegates[key];
            var parameterExpression = expression.Parameters
                .SafeSelect(p => p)
                .FirstOrDefault();

            if (parameter.IsNull() || parameterExpression.IsNull())
            {
                return Expression.Lambda<Func<object>>(expression.Body, null);
            }

            var blockExpression = Expression.Block(
                new[] { parameterExpression },
// ReSharper disable AssignNullToNotNullAttribute
// ReSharper disable once PossibleNullReferenceException
                Expression.Assign(parameterExpression, Expression.Constant(parameter.Value)),
                //Expression.Constant(parameter.Value, parameter.Type)),
// ReSharper restore AssignNullToNotNullAttribute
                expression.Body);

            return Expression.Lambda<Func<object>>(blockExpression, null);
        }

        public IEnumerable<IConceptInfo> CreateNewConcepts(IEnumerable<IConceptInfo> existingConcepts)
        {
            var filterParameter = new ParameterInfo
            {
                Module = Property.DataStructure.Module,
                Name = Property.Name + "_RegExMatchFilter",
            };

            string filterExpression = string.Format(@"(source, repository, parameter) =>
                {{
                    var items = source.Where(item => !string.IsNullOrEmpty(item.{0})).Select(item => new {{ item.ID, item.{0} }}).ToList();
                    var regex = new System.Text.RegularExpressions.Regex({1});
                    var invalidItemIds = items.Where(item => !regex.IsMatch(item.{0})).Select(item => item.ID).ToList();
                    return Filter(source, invalidItemIds);
                }}",
                Property.Name,
                CsUtility.QuotedString("^" + RegularExpression + "$"));

            var itemFilterRegExMatchProperty = new ComposableFilterByInfo
            {
                Expression = filterExpression,
                Parameter = filterParameter.Module.Name + "." + filterParameter.Name,
                Source = Property.DataStructure
            };

            var invalidDataRegExMatchProperty = new InvalidDataMarkPropertyInfo
            {
                DependedProperty = Property,
                FilterType = itemFilterRegExMatchProperty.Parameter,
                ErrorMessage = ErrorMessage,
                Source = Property.DataStructure
            };

            return new IConceptInfo[] { filterParameter, itemFilterRegExMatchProperty, invalidDataRegExMatchProperty };
        }

 private ParameterInfo(ParameterInfo accessor, MemberInfo member)
 {
     this.MemberImpl = member;
     this.NameImpl = accessor.Name;
     this.ClassImpl = accessor.ParameterType;
     this.PositionImpl = accessor.Position;
     this.AttrsImpl = accessor.Attributes;
 }

 private static object[] GetDefaultValuesForParameters(ParameterInfo[] paramTypes)
 {
     Object[] parameters = new Object[paramTypes.Length];
     for (int i = 0; i < paramTypes.Length; i++)
     {
         parameters[i] = Activator.CreateInstance(paramTypes[i].ParameterType);
     }
     return parameters;
 }

	static string ParameterName (ParameterInfo parameter)
	{
		switch (parameter.Name) {
		case "break":
		case "continue":
		case "finally":
			return "@" + parameter.Name;
		}

		return parameter.Name;
	}

 public CalculatorBot(string token)
     : base("calculator", token)
 {
     var command = new CommandInfo("/start");
     command.StaticAcceptMessage = "Ok you started the calculator";
     Configuration.Commands.Add(command);
     Configuration.StaticUnknownCommandMessage = "Unknown command. Please try another command. Send /start to get a list of available comands.";
     var command2 = new CommandInfo("/newbrand");
     command2.StaticAcceptMessage = "New brand is saved.";
     var parameter = new ParameterInfo() { Name = "Name", Type = ParameterTypes.Text, Optional = false, StaticPrompt = "Ok, enter new brand name." };
     command2.Parameters.Add(parameter);
     Configuration.Commands.Add(command2);
 }

        public sealed override ParameterInfo[] GetParameters()
        {
            if (ReflectionTrace.Enabled)
                ReflectionTrace.MethodBase_GetParameters(this);

            RuntimeParameterInfo[] runtimeParametersAndReturn = this.RuntimeParametersAndReturn;
            if (runtimeParametersAndReturn.Length == 1)
                return Array.Empty<ParameterInfo>();
            ParameterInfo[] result = new ParameterInfo[runtimeParametersAndReturn.Length - 1];
            for (int i = 0; i < result.Length; i++)
                result[i] = runtimeParametersAndReturn[i + 1];
            return result;
        }

    public static MySqlParameter[] GenerateParam(ParameterInfo[] methodParameters, params object[] Values)
    {
        int length = methodParameters.Length;
        MySqlParameter[] sqlParams = new MySqlParameter[length];

        for (int i = 0; i < length; i++)
        {
            MySqlParameter parameter = new MySqlParameter();
            parameter.ParameterName = "@" + methodParameters[i].Name;
            parameter.Value = Values[i];
            sqlParams[i] = parameter;
        }

        return sqlParams;
    }

        protected void AddValueFactory(ValueFactoryModelBase model, 
            string loaderKey, ParameterInfo parameter = null)
        {
            if (model.IsNull())
            {
                return;
            }

            Guard.EnsureIsNotNullOrEmpty("loaderKey", loaderKey);

            var valueExpression = ValueFactory.GetValueFactory(
                loaderKey, parameter);

            valueExpression.Do(() =>
                model.ValueFactories.Add(loaderKey, valueExpression.Compile()));
        }

        /// <summary>
        /// Creates a new instance of the StoredProcedureInfo class.
        /// This constructor is private; call the static GetInfo() method instead.
        /// </summary>
        /// <param name="connectionName">Name of the database connection.</param>
        /// <param name="schema">Name of the database schema.</param>
        /// <param name="procedureName">Name of the stored procedure.</param>
        private StoredProcedureInfo(string connectionName, string schema, string procedureName)
        {
            this.ConnectionName = connectionName;
            this.Schema = schema;
            this.ProcedureName = procedureName;

            // query the database for the procedure's parameters;
            // if the procedure doesn't exist, zero parameters will be found, successfully (no error)
            var parametersQuery = new StoredProcedureQuery("SelectStoredProcedureParameters", connectionName);
            parametersQuery.Parameters.Add("Schema", this.Schema);
            parametersQuery.Parameters.Add("ProcedureName", this.ProcedureName);

            DataSet results = parametersQuery.ReturnAllTables();
            var parameters = results.Tables[0];   // no rows if the procedure has no parameters
            var columnNames = results.Tables[1];  // no rows if the procedure has no TVPs; all TVPs' columns otherwise

            foreach (DataRow parameter in parameters.Rows)
            {
                var param = new ParameterInfo
                {
                    Name = parameter["ParameterName"] as string,
                    TypeString = parameter["DataType"] as string,
                    UserDefinedTypeName = parameter["UserDefinedTypeName"] as string,
                    MaxLength = parameter["MaxLength"] as int?
                };

                // TODO: switch this logic around when we internationalize the db to use nvarchar columns
                if (param.TypeString == "varchar")
                    param.Type = SqlDbType.VarChar;
                else if (param.TypeString == "char")
                    param.Type = SqlDbType.Char;
                else if (param.TypeString == "nvarchar")
                    param.Type = SqlDbType.NVarChar;
                else if (param.TypeString == "nchar")
                    param.Type = SqlDbType.NChar;
                else if (param.TypeString == "table type")
                {
                    param.Type = SqlDbType.Structured;

                    // get the table type's column names
                    param.ColumnNames = columnNames.Select("ParameterName = '" + param.Name + "'")
                        .Select(dr => dr["ColumnName"] as string).ToArray();
                }

                this.Parameters.Add(param);
            }
        }