C# Abstractions.ParameterDescriptor类代码示例

本文整理汇总了C#中Microsoft.AspNetCore.Mvc.Abstractions.ParameterDescriptor类的典型用法代码示例。如果您正苦于以下问题：C# ParameterDescriptor类的具体用法？C# ParameterDescriptor怎么用？C# ParameterDescriptor使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。

ParameterDescriptor类属于Microsoft.AspNetCore.Mvc.Abstractions命名空间，在下文中一共展示了ParameterDescriptor类的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: BindParameter_WithModelBinderType_NoData

        public async Task BindParameter_WithModelBinderType_NoData()
        {
            // Arrange
            var argumentBinder = ModelBindingTestHelper.GetArgumentBinder();
            var parameter = new ParameterDescriptor()
            {
                Name = "Parameter1",
                BindingInfo = new BindingInfo()
                {
                    BinderType = typeof(NullModelNotSetModelBinder)
                },

                ParameterType = typeof(string)
            };

            // No data is passed.
            var testContext = ModelBindingTestHelper.GetTestContext();
            var modelState = testContext.ModelState;

            // Act
            var modelBindingResult = await argumentBinder.BindModelAsync(parameter, testContext);

            // Assert
            Assert.False(modelBindingResult.IsModelSet);

            // ModelState (not set unless inner binder sets it)
            Assert.True(modelState.IsValid);
            Assert.Empty(modelState);
        }

开发者ID:xuchrist，项目名称:Mvc，代码行数:29，代码来源:BinderTypeBasedModelBinderIntegrationTest.cs

示例2: ModelMetadataTypeAttribute_ValidBaseClass_NoModelStateErrors

        public async Task ModelMetadataTypeAttribute_ValidBaseClass_NoModelStateErrors()
        {
            // Arrange
            var input = "{ \"Name\": \"MVC\", \"Contact\":\"4258959019\", \"Category\":\"Technology\"," +
                "\"CompanyName\":\"Microsoft\", \"Country\":\"USA\",\"Price\": 21, " +
                "\"ProductDetails\": {\"Detail1\": \"d1\", \"Detail2\": \"d2\", \"Detail3\": \"d3\"}}";
            var argumentBinder = ModelBindingTestHelper.GetArgumentBinder();
            var parameter = new ParameterDescriptor()
            {
                Name = "Parameter1",
                ParameterType = typeof(ProductViewModel),
                BindingInfo = new BindingInfo()
                {
                    BindingSource = BindingSource.Body
                }
            };

            var testContext = ModelBindingTestHelper.GetTestContext(
              request =>
              {
                  request.Body = new MemoryStream(Encoding.UTF8.GetBytes(input));
                  request.ContentType = "application/json;charset=utf-8";
              });

            var modelState = testContext.ModelState;

            // Act
            var modelBindingResult = await argumentBinder.BindModelAsync(parameter, testContext);

            // Assert
            Assert.True(modelBindingResult.IsModelSet);
            var boundPerson = Assert.IsType<ProductViewModel>(modelBindingResult.Model);
            Assert.True(modelState.IsValid);
            Assert.NotNull(boundPerson);
        }

开发者ID:xuchrist，项目名称:Mvc，代码行数:35，代码来源:BodyValidationIntegrationTests.cs

示例3: GenericModelBinder_BindsCollection_ElementTypeFromGreedyModelBinder_EmptyPrefix_Success

        public async Task GenericModelBinder_BindsCollection_ElementTypeFromGreedyModelBinder_EmptyPrefix_Success()
        {
            // Arrange
            var argumentBinder = ModelBindingTestHelper.GetArgumentBinder();
            var parameter = new ParameterDescriptor()
            {
                Name = "parameter",
                ParameterType = typeof(List<IFormCollection>)
            };
            // Need to have a key here so that the GenericModelBinder will recurse to bind elements.
            var testContext = ModelBindingTestHelper.GetTestContext(request =>
            {
                request.QueryString = new QueryString("?index=10");
            });

            var modelState = testContext.ModelState;

            // Act
            var modelBindingResult = await argumentBinder.BindModelAsync(parameter, testContext);

            // Assert
            Assert.True(modelBindingResult.IsModelSet);

            var model = Assert.IsType<List<IFormCollection>>(modelBindingResult.Model);
            var formCollection = Assert.Single(model);
            Assert.NotNull(formCollection);

            Assert.Equal(0, modelState.ErrorCount);
            Assert.True(modelState.IsValid);
            Assert.Empty(modelState);
        }

开发者ID:xuchrist，项目名称:Mvc，代码行数:31，代码来源:GenericModelBinderIntegrationTest.cs

示例4: BindProperty_WithData_WithEmptyPrefix_GetsBound

        public async Task BindProperty_WithData_WithEmptyPrefix_GetsBound()
        {
            // Arrange
            var argumentBinder = ModelBindingTestHelper.GetArgumentBinder();
            var parameter = new ParameterDescriptor()
            {
                Name = "Parameter1",
                BindingInfo = new BindingInfo(),
                ParameterType = typeof(Person)
            };

            var testContext = ModelBindingTestHelper.GetTestContext();
            var modelState = testContext.ModelState;

            // Act
            var modelBindingResult = await argumentBinder.BindModelAsync(parameter, testContext);

            // Assert

            // ModelBindingResult
            Assert.True(modelBindingResult.IsModelSet);

            // Model
            var boundPerson = Assert.IsType<Person>(modelBindingResult.Model);
            Assert.NotNull(boundPerson);
            Assert.NotNull(boundPerson.Token);

            // ModelState
            Assert.True(modelState.IsValid);
            Assert.Equal(0, modelState.Count);
        }

开发者ID:xuchrist，项目名称:Mvc，代码行数:31，代码来源:CancellationTokenModelBinderIntegrationTest.cs

示例5: BindParameter_NoData_DoesNotGetBound

        public async Task BindParameter_NoData_DoesNotGetBound()
        {
            // Arrange
            var argumentBinder = ModelBindingTestHelper.GetArgumentBinder();
            var parameter = new ParameterDescriptor()
            {
                Name = "Parameter1",
                BindingInfo = new BindingInfo()
                {
                    BinderModelName = "CustomParameter",
                },

                ParameterType = typeof(byte[])
            };

            // No data is passed.
            var operationContext = ModelBindingTestHelper.GetOperationBindingContext();
            var modelState = operationContext.ActionContext.ModelState;

            // Act
            var modelBindingResult = await argumentBinder.BindModelAsync(parameter, operationContext) ?? default(ModelBindingResult);

            // Assert

            // ModelBindingResult
            Assert.False(modelBindingResult.IsModelSet);

            // ModelState
            Assert.True(modelState.IsValid);
            Assert.Empty(modelState.Keys);
        }

开发者ID:cemalshukriev，项目名称:Mvc，代码行数:31，代码来源:ByteArrayModelBinderIntegrationTest.cs

示例6: BindParameterFromService_NoPrefix_GetsBound

        public async Task BindParameterFromService_NoPrefix_GetsBound()
        {
            // Arrange
            var argumentBinder = ModelBindingTestHelper.GetArgumentBinder();
            var parameter = new ParameterDescriptor
            {
                Name = "ControllerProperty",
                BindingInfo = new BindingInfo
                {
                    BindingSource = BindingSource.Services,
                },

                // Use a service type already in defaults.
                ParameterType = typeof(JsonOutputFormatter),
            };

            var operationContext = ModelBindingTestHelper.GetOperationBindingContext();
            var modelState = operationContext.ActionContext.ModelState;

            // Act
            var modelBindingResult = await argumentBinder.BindModelAsync(parameter, operationContext) ?? default(ModelBindingResult);

            // Assert
            // ModelBindingResult
            Assert.True(modelBindingResult.IsModelSet);

            // Model
            var outputFormatter = Assert.IsType<JsonOutputFormatter>(modelBindingResult.Model);
            Assert.NotNull(outputFormatter);

            // ModelState
            Assert.True(modelState.IsValid);
            Assert.Empty(modelState);
        }

开发者ID:cemalshukriev，项目名称:Mvc，代码行数:34，代码来源:ServicesModelBinderIntegrationTest.cs

示例7: BindParameter_WithTypeProperty_IsNotBound

        public async Task BindParameter_WithTypeProperty_IsNotBound()
        {
            // Arrange
            var options = new MvcOptions();
            var setup = new MvcCoreMvcOptionsSetup(new TestHttpRequestStreamReaderFactory());

            // Adding a custom model binder for Type to ensure it doesn't get called
            options.ModelBinderProviders.Insert(0, new TypeModelBinderProvider());

            setup.Configure(options);

            var argumentBinder = ModelBindingTestHelper.GetArgumentBinder(options);
            var parameter = new ParameterDescriptor()
            {
                Name = "Parameter1",
                BindingInfo = new BindingInfo(),
                ParameterType = typeof(TypesBundle),
            };

            var testContext = ModelBindingTestHelper.GetTestContext(request =>
            {
                request.Form = new FormCollection(new Dictionary<string, StringValues>
                {
                    { "name", new[] { "Fred" } },
                    { "type", new[] { "SomeType" } },
                    { "typeArray", new[] { "SomeType1", "SomeType2" } },
                    { "typeList", new[] { "SomeType1", "SomeType2" } },
                    { "typeDictionary", new[] { "parameter[0].Key=key", "parameter[0].Value=value" } },
                    { "methodInfo", new[] { "value" } },
                    { "func", new[] { "value" } },
                });
            });

            var modelState = testContext.ModelState;

            // Act
            var modelBindingResult = await argumentBinder.BindModelAsync(parameter, testContext);

            // Assert
            // ModelBindingResult
            Assert.True(modelBindingResult.IsModelSet);

            // Model
            var boundPerson = Assert.IsType<TypesBundle>(modelBindingResult.Model);
            Assert.NotNull(boundPerson);
            Assert.Equal("Fred", boundPerson.Name);

            // ModelState

            // The TypeModelBinder should not be called
            Assert.True(modelState.IsValid);
        }

开发者ID:ymd1223，项目名称:Mvc，代码行数:52，代码来源:ExcludeBindingMetadataProviderIntegrationTest.cs

示例8: BindProperty_WithData_GetsBound

        public async Task BindProperty_WithData_GetsBound(bool fallBackScenario)
        {
            // Arrange
            var argumentBinder = ModelBindingTestHelper.GetArgumentBinder();
            var parameter = new ParameterDescriptor()
            {
                Name = "Parameter1",
                BindingInfo = new BindingInfo(),
                ParameterType = typeof(Person)
            };

            var prefix = fallBackScenario ? string.Empty : "Parameter1";
            var queryStringKey = fallBackScenario ? "Token" : prefix + "." + "Token";

            // any valid base64 string
            var expectedValue = new byte[] { 12, 13 };
            var value = Convert.ToBase64String(expectedValue);
            var operationContext = ModelBindingTestHelper.GetOperationBindingContext(
                request =>
                {
                    request.QueryString = QueryString.Create(queryStringKey, value);
                });
            var modelState = operationContext.ActionContext.ModelState;

            // Act
            var modelBindingResult = await argumentBinder.BindModelAsync(parameter, operationContext) ?? default(ModelBindingResult);

            // Assert

            // ModelBindingResult
            Assert.True(modelBindingResult.IsModelSet);

            // Model
            var boundPerson = Assert.IsType<Person>(modelBindingResult.Model);
            Assert.NotNull(boundPerson);
            Assert.NotNull(boundPerson.Token);
            Assert.Equal(expectedValue, boundPerson.Token);

            // ModelState
            Assert.True(modelState.IsValid);

            var entry = Assert.Single(modelState);
            Assert.Equal(queryStringKey, entry.Key);
            Assert.Empty(entry.Value.Errors);
            Assert.Equal(ModelValidationState.Valid, entry.Value.ValidationState);
            Assert.Equal(value, entry.Value.AttemptedValue);
            Assert.Equal(value, entry.Value.RawValue);
        }

开发者ID:cemalshukriev，项目名称:Mvc，代码行数:48，代码来源:ByteArrayModelBinderIntegrationTest.cs

示例9: BindProperty_WithData_WithEmptyPrefix_GetsBound

        public async Task BindProperty_WithData_WithEmptyPrefix_GetsBound()
        {
            // Arrange
            var argumentBinder = ModelBindingTestHelper.GetArgumentBinder();
            var parameter = new ParameterDescriptor()
            {
                Name = "Parameter1",
                BindingInfo = new BindingInfo(),
                ParameterType = typeof(Person)
            };

            var data = "Some Data Is Better Than No Data.";
            var testContext = ModelBindingTestHelper.GetTestContext(
                request =>
                {
                    request.QueryString = QueryString.Create("Address.Zip", "12345");
                    UpdateRequest(request, data, "Address.File");
                });

            var modelState = testContext.ModelState;

            // Act
            var modelBindingResult = await argumentBinder.BindModelAsync(parameter, testContext);

            // Assert

            // ModelBindingResult
            Assert.True(modelBindingResult.IsModelSet);

            // Model
            var boundPerson = Assert.IsType<Person>(modelBindingResult.Model);
            Assert.NotNull(boundPerson.Address);
            var file = Assert.IsAssignableFrom<IFormFile>(boundPerson.Address.File);
            Assert.Equal("form-data; name=Address.File; filename=text.txt", file.ContentDisposition);
            var reader = new StreamReader(boundPerson.Address.File.OpenReadStream());
            Assert.Equal(data, reader.ReadToEnd());

            // ModelState
            Assert.True(modelState.IsValid);
            Assert.Equal(2, modelState.Count);
            Assert.Single(modelState.Keys, k => k == "Address.Zip");
            var key = Assert.Single(modelState.Keys, k => k == "Address.File");
            Assert.Null(modelState[key].RawValue);
            Assert.Empty(modelState[key].Errors);
            Assert.Equal(ModelValidationState.Valid, modelState[key].ValidationState);
        }

开发者ID:ymd1223，项目名称:Mvc，代码行数:46，代码来源:FormFileModelBindingIntegrationTest.cs

示例10: BindProperty_WithData_WithPrefix_GetsBound

        public async Task BindProperty_WithData_WithPrefix_GetsBound()
        {
            // Arrange
            var argumentBinder = ModelBindingTestHelper.GetArgumentBinder();
            var parameter = new ParameterDescriptor()
            {
                Name = "Parameter1",
                BindingInfo = new BindingInfo()
                {
                    BinderModelName = "CustomParameter",
                },

                ParameterType = typeof(Person)
            };

            var testContext = ModelBindingTestHelper.GetTestContext(request =>
            {
                request.QueryString = QueryString.Create("CustomParameter.Address.Zip", "1");
            });

            var modelState = testContext.ModelState;

            // Act
            var modelBindingResult = await argumentBinder.BindModelAsync(parameter, testContext);

            // Assert

            // ModelBindingResult
            Assert.True(modelBindingResult.IsModelSet);

            // Model
            var boundPerson = Assert.IsType<Person>(modelBindingResult.Model);
            Assert.NotNull(boundPerson);
            Assert.NotNull(boundPerson.Address);
            Assert.Equal(1, boundPerson.Address.Zip);

            // ModelState
            Assert.True(modelState.IsValid);

            Assert.Equal(1, modelState.Keys.Count());
            var key = Assert.Single(modelState.Keys, k => k == "CustomParameter.Address.Zip");
            Assert.Equal("1", modelState[key].AttemptedValue);
            Assert.Equal("1", modelState[key].RawValue);
            Assert.Empty(modelState[key].Errors);
            Assert.Equal(ModelValidationState.Valid, modelState[key].ValidationState);
        }

开发者ID:xuchrist，项目名称:Mvc，代码行数:46，代码来源:SimpleTypeModelBinderIntegrationTest.cs

示例11: ComplexModel_PrefixSelected_ByValueProviderValue_WithFilteredValueProviders

        public async Task ComplexModel_PrefixSelected_ByValueProviderValue_WithFilteredValueProviders()
        {
            // Arrange
            var argumentBinder = ModelBindingTestHelper.GetArgumentBinder();
            var parameter = new ParameterDescriptor()
            {
                Name = "parameter",
                ParameterType = typeof(Person2),
                BindingInfo = new BindingInfo()
                {
                    BindingSource = BindingSource.Query,
                },
            };

            var operationContext = ModelBindingTestHelper.GetOperationBindingContext(request =>
            {
                // This will cause selection of the "parameter" prefix.
                request.QueryString = new QueryString("?parameter=");

                // This value won't be used, because we select the "parameter" prefix.
                request.Form = new FormCollection(new Dictionary<string, StringValues>()
                {
                    { "Name", "Billy" },
                });
            });

            var modelState = operationContext.ActionContext.ModelState;

            // Act
            var modelBindingResult = await argumentBinder.BindModelAsync(parameter, operationContext) ?? default(ModelBindingResult);

            // Assert
            Assert.True(modelBindingResult.IsModelSet);
            Assert.Equal("parameter", modelBindingResult.Key);

            var model = Assert.IsType<Person2>(modelBindingResult.Model);
            Assert.Null(model.Name);

            Assert.Equal(0, modelState.Count);
            Assert.Equal(0, modelState.ErrorCount);
            Assert.True(modelState.IsValid);
        }

开发者ID:cemalshukriev，项目名称:Mvc，代码行数:42，代码来源:ModelPrefixSelectionIntegrationTest.cs

示例12: ArrayModelBinder_BindsArrayOfSimpleType_WithExplicitPrefix_Success

        public async Task ArrayModelBinder_BindsArrayOfSimpleType_WithExplicitPrefix_Success()
        {
            // Arrange
            var argumentBinder = ModelBindingTestHelper.GetArgumentBinder();
            var parameter = new ParameterDescriptor()
            {
                Name = "parameter",
                BindingInfo = new BindingInfo()
                {
                    BinderModelName = "prefix",
                },
                ParameterType = typeof(int[])
            };

            var testContext = ModelBindingTestHelper.GetTestContext(request =>
            {
                request.QueryString = new QueryString("?prefix[0]=10&prefix[1]=11");
            });

            var modelState = testContext.ModelState;

            // Act
            var modelBindingResult = await argumentBinder.BindModelAsync(parameter, testContext);

            // Assert
            Assert.True(modelBindingResult.IsModelSet);

            var model = Assert.IsType<int[]>(modelBindingResult.Model);
            Assert.Equal(new int[] { 10, 11 }, model);

            Assert.Equal(2, modelState.Count);
            Assert.Equal(0, modelState.ErrorCount);
            Assert.True(modelState.IsValid);

            var entry = Assert.Single(modelState, kvp => kvp.Key == "prefix[0]").Value;
            Assert.Equal("10", entry.AttemptedValue);
            Assert.Equal("10", entry.RawValue);

            entry = Assert.Single(modelState, kvp => kvp.Key == "prefix[1]").Value;
            Assert.Equal("11", entry.AttemptedValue);
            Assert.Equal("11", entry.RawValue);
        }

开发者ID:ymd1223，项目名称:Mvc，代码行数:42，代码来源:ArrayModelBinderIntegrationTest.cs

示例13: BindPropertyFromHeader_WithPrefix_GetsBound

        public async Task BindPropertyFromHeader_WithPrefix_GetsBound()
        {
            // Arrange
            var argumentBinder = ModelBindingTestHelper.GetArgumentBinder();
            var parameter = new ParameterDescriptor()
            {
                Name = "Parameter1",
                BindingInfo = new BindingInfo()
                {
                    BinderModelName = "prefix",
                },
                ParameterType = typeof(Person)
            };

            var testContext = ModelBindingTestHelper.GetTestContext(
                request => request.Headers.Add("Header", new[] { "someValue" }));
            var modelState = testContext.ModelState;

            // Act
            var modelBindingResult = await argumentBinder.BindModelAsync(parameter, testContext);

            // Assert

            // ModelBindingResult
            Assert.True(modelBindingResult.IsModelSet);

            // Model
            var boundPerson = Assert.IsType<Person>(modelBindingResult.Model);
            Assert.NotNull(boundPerson);
            Assert.NotNull(boundPerson.Address);
            Assert.Equal("someValue", boundPerson.Address.Street);

            // ModelState
            Assert.True(modelState.IsValid);
            var entry = Assert.Single(modelState);
            Assert.Equal("prefix.Address.Header", entry.Key);
            Assert.Empty(entry.Value.Errors);
            Assert.Equal(ModelValidationState.Valid, entry.Value.ValidationState);
            Assert.Equal("someValue", entry.Value.AttemptedValue);
            Assert.Equal(new string[] { "someValue" }, entry.Value.RawValue);
        }

开发者ID:xuchrist，项目名称:Mvc，代码行数:41，代码来源:HeaderModelBinderIntegrationTest.cs

示例14: MutableObjectModelBinder_BindsNestedPOCO_WithBodyModelBinder_WithPrefix_Success

        public async Task MutableObjectModelBinder_BindsNestedPOCO_WithBodyModelBinder_WithPrefix_Success()
        {
            // Arrange
            var argumentBinder = ModelBindingTestHelper.GetArgumentBinder();
            var parameter = new ParameterDescriptor()
            {
                Name = "parameter",
                ParameterType = typeof(Order1)
            };

            // Need to have a key here so that the MutableObjectModelBinder will recurse to bind elements.
            var operationContext = ModelBindingTestHelper.GetOperationBindingContext(request =>
            {
                request.QueryString = new QueryString("?parameter.Customer.Name=bill");
                SetJsonBodyContent(request, AddressBodyContent);
            });

            var modelState = operationContext.ActionContext.ModelState;

            // Act
            var modelBindingResult = await argumentBinder.BindModelAsync(parameter, operationContext) ?? default(ModelBindingResult);

            // Assert
            Assert.True(modelBindingResult.IsModelSet);

            var model = Assert.IsType<Order1>(modelBindingResult.Model);
            Assert.NotNull(model.Customer);
            Assert.Equal("bill", model.Customer.Name);
            Assert.NotNull(model.Customer.Address);
            Assert.Equal(AddressStreetContent, model.Customer.Address.Street);

            Assert.Equal(1, modelState.Count);
            Assert.Equal(0, modelState.ErrorCount);
            Assert.True(modelState.IsValid);

            var entry = Assert.Single(modelState, e => e.Key == "parameter.Customer.Name").Value;
            Assert.Equal("bill", entry.AttemptedValue);
            Assert.Equal("bill", entry.RawValue);
        }

开发者ID:cemalshukriev，项目名称:Mvc，代码行数:39，代码来源:MutableObjectModelBinderIntegrationTest.cs

示例15: ModelMetadataType_ValidArray_NoModelStateErrors

        public async Task ModelMetadataType_ValidArray_NoModelStateErrors()
        {
            // Arrange
            var input = "[" +
                "{ \"Name\": \"MVC\", \"Contact\":\"4258959019\", \"Category\":\"Technology\"," +
                "\"CompanyName\":\"Microsoft\", \"Country\":\"USA\",\"Price\": 21, " +
                "\"ProductDetails\": {\"Detail1\": \"d1\", \"Detail2\": \"d2\", \"Detail3\": \"d3\"}}," +
                "{ \"Name\": \"MVC too\", \"Contact\":\"4258959020\", \"Category\":\"Technology\"," +
                "\"CompanyName\":\"Microsoft\", \"Country\":\"USA\",\"Price\": 22, " +
                "\"ProductDetails\": {\"Detail1\": \"d2\", \"Detail2\": \"d3\", \"Detail3\": \"d4\"}}" +
                "]";
            var argumentBinding = ModelBindingTestHelper.GetArgumentBinder();
            var parameter = new ParameterDescriptor
            {
                Name = "Parameter1",
                ParameterType = typeof(IEnumerable<ProductViewModel>),
                BindingInfo = new BindingInfo
                {
                    BindingSource = BindingSource.Body,
                },
            };

            var testContext = ModelBindingTestHelper.GetTestContext(request =>
            {
                request.Body = new MemoryStream(Encoding.UTF8.GetBytes(input));
                request.ContentType = "application/json;charset=utf-8";
            });
            var modelState = testContext.ModelState;

            // Act
            var result = await argumentBinding.BindModelAsync(parameter, testContext);

            // Assert
            Assert.True(modelState.IsValid);
            Assert.True(result.IsModelSet);
            var products = Assert.IsAssignableFrom<IEnumerable<ProductViewModel>>(result.Model);
            Assert.Equal(2, products.Count());
        }

开发者ID:xuchrist，项目名称:Mvc，代码行数:38，代码来源:BodyValidationIntegrationTests.cs

注：本文中的Microsoft.AspNetCore.Mvc.Abstractions.ParameterDescriptor类示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。