public Tuple<string[], string[]> Get()
{
HttpActionContext actionContext = new HttpActionContext
{
ControllerContext = this.ControllerContext
};
ModelMetadataProvider metadataProvider = this.Configuration.Services.GetModelMetadataProvider();
ModelMetadata metadata = metadataProvider.GetMetadataForType(null, typeof(DemoModel));
IValueProvider valueProvider = new CompositeValueProviderFactory(this.Configuration.Services.GetValueProviderFactories()).GetValueProvider(actionContext);
ModelBindingContext bindingContext = new ModelBindingContext
{
ModelMetadata = metadata,
ValueProvider = valueProvider,
ModelState = actionContext.ModelState
};
actionContext.Bind(bindingContext);
//验证之前的错误消息
string[] errorMessages1 = actionContext.ModelState.SelectMany(
item => item.Value.Errors.Select(
error => error.ErrorMessage)).ToArray();
//验证之前的错误消息
bindingContext.ValidationNode.Validate(actionContext);
string[] errorMessages2 = actionContext.ModelState.SelectMany(
item => item.Value.Errors.Select(
error => error.ErrorMessage)).ToArray();
return new Tuple<string[], string[]>(errorMessages1, errorMessages2);
}
public override System.Threading.Tasks.Task ExecuteBindingAsync(System.Web.Http.Metadata.ModelMetadataProvider metadataProvider, HttpActionContext actionContext, System.Threading.CancellationToken cancellationToken)
{
CompositeValueProviderFactory valueproviderFactory = new CompositeValueProviderFactory(this.ValueProviderFactories);
string parameterName = base.Descriptor.ParameterName;
Type parameterType = base.Descriptor.ParameterType;
string prefix = base.Descriptor.Prefix;
ModelBindingContext context = new ModelBindingContext()
{
ModelName = prefix ?? parameterName,
FallbackToEmptyPrefix = prefix == null,
ModelMetadata = metadataProvider.GetMetadataForType(null, parameterType),
ModelState = actionContext.ModelState,
ValueProvider = valueproviderFactory.GetValueProvider(actionContext)
};
object argument="";
// this.Binder.BindModel() ? context.Model : base.Descriptor.DefaultValue ;
base.SetValue(actionContext, argument);
TaskCompletionSource<AsyncVoid> Source = new TaskCompletionSource<AsyncVoid>();
Source.SetResult(new AsyncVoid());
return Source.Task;
}
