获取 NegotiatedContentResult 的 StatusCode

Question

如何检查 IHttpActionResult 中的 NegotiatedContentResult 是否有 Ok StatusCode。

例如。 if (ValidateRegistrationStep3(accountModel) == Ok()) { code to run }

var result = ValidateRegistrationStep3(accountModel);

如果您检查 Locals 中的 result 它有 Value 的 System.Web.Http.Results.NegotiatedContentResult<string> 的 Type System.Web.Http.IHttpActionResult {System.Web.Http.Results.NegotiatedContentResult<string>} 和 StatusCode 的 OK。如何查看 StatusCode?

[HttpPost]
[Route("register/validate3")]
public IHttpActionResult ValidateRegistrationStep3(
            [FromBody]AccountRegisterModel accountModel) {
    List<string> errors = new List<string>();

    if (!IsDigits(accountModel.CreditCard, 16)) errors.Add("CreditCard needs to be 16 digits.");

    var regExp = @"^(0[1-9]|1[0-2])\/[0-9]{2}$";
    if (!Regex.IsMatch(accountModel.ExpDate, regExp, RegexOptions.IgnoreCase))
                    errors.Add("Expiration Date is not valid format (MM/YY)");

    if (errors.Count == 0) return Content(HttpStatusCode.OK, "Register Model-3 Valid");
    else return Content(HttpStatusCode.BadRequest, errors.ToArray()); }

解法：

将验证代码分解为辅助方法，然后从 IHttpActionResult.

中调用它

[HttpPost]
[Route("register/validate3")]
public IHttpActionResult ValidateRegistrationStep3(
            [FromBody]AccountRegisterModel accountModel) {
    List<string> errors = ValidateRegistrationStep3Inner(accountModel);

    if (errors.Count == 0) return Content(HttpStatusCode.OK, "Register Model-3 Valid");
    else return Content(HttpStatusCode.BadRequest, errors.ToArray()); }

private List<string> ValidateRegistrationStep3Inner(AccountRegisterModel accountModel)
{
  List<string> errors = new List<string>();

  if (!IsDigits(accountModel.CreditCard, 16)) errors.Add("CreditCard needs to be 16 digits.");
  if (!string.IsNullOrWhiteSpace(accountModel.ExpDate)) {
    var regExp = @"^(0[1-9]|1[0-2])\/[0-9]{2}$";
    if (!Regex.IsMatch(accountModel.ExpDate, regExp, RegexOptions.IgnoreCase))
      errors.Add("Expiration Date is not valid format (MM/YY)");
  } else errors.Add("Expiration Date is required (MM/YY)");

  return errors; }

然后可以从 Controller 中调用辅助方法，并且 return 检查它。

if (ValidateRegistrationStep1Inner(accountModel).Count == 0 &&
            ValidateRegistrationStep2Inner(accountModel).Count == 0 &&
            ValidateRegistrationStep3Inner(accountModel).Count == 0)

Answer 1

要回答您的问题 -- 您需要执行结果。

public async Task<HttpStatusCode> GetResult()
{
    var response = ValidateRegistrationStep3(accountModel);
    var result = await response.ExecuteAsync(new CancellationToken());
    var statusCode = result.StatusCode;

    return statusCode;
}

但您永远不需要自己直接调用控制器。相反，将验证代码移至单独的 class（或添加不涉及 IHttpActionResult 的新方法）。

public class RegistrationValidation : IRegistrationValidation
{
    public List<string> Validate(AccountRegisterModel model)
    {
        List<string> errors = new List<string>();

        ...

        return errors;
    }
}

public class RegistrationController : ApiController
{
    private readonly IRegistrationValidation validator;

    // with a DI container
    public RegistrationController(IRegistrationValidation validator)
    {
        this.validator = validator;
    }

    // without a DI container
    public RegistrationController()
    {
        this.validator = new RegistrationValidation();
    }

    public IHttpActionResult ValidateRegistrationStep3(AccountRegisterModel accountModel)
    {
        var errors = validator.Validate(accountModel);

        if (error.Count() == 0)
            return Content(HttpStatusCode.OK, "Register Model-3 Valid");
        ...
    }

    public IHttpActionResult FinishRegistration(AccountRegisterModel accountModel)
    {
        var errors = validator.Validate(accountModel);
        if (errors.Count() == 0)
        {
            ...
        }
    }
}

获取 NegotiatedContentResult 的 StatusCode

Get the StatusCode of NegotiatedContentResult

c#

asp.net-web-api2