Web API 找不到 apicontroller

Web API cant find apicontroller

我正在尝试构建一个小型应用程序,一个 api 以使用 entity framework 获取数据并通过网络 api 传递到 json 但出现错误: {"Message":"No HTTP resource was found that matches the request URI 'http://localhost:61267/api/GetCarousel'.","MessageDetail":"No type was found that matches the controller named 'GetCarousel'."}

呼叫link:http://localhost:61267/api/GetCarousel

我在观察时了解到似乎有很多解决方案,但似乎没有一个适合我。

WebApiConfig 文件

  public class WebApiConfig
{
    public static void Register(HttpConfiguration config)
    {
        config.EnableCors();

        config.Routes.MapHttpRoute(
                        name: "DefaultApi",
                        routeTemplate: "api/{controller}/{id}",
                        defaults: new { id = RouteParameter.Optional }  

                        );

        config.Formatters.JsonFormatter.SupportedMediaTypes.Add(new MediaTypeHeaderValue("text/html"));
    }
}

GetCarousel.cs 控制器文件

这是在 Entity Framework

的帮助下从数据库生成的
namespace MustWebAPI.Controller
{
public class GetCarousel : ApiController
{
    private MustTestEntitie db = new MustTestEntitie();

    // GET: api/GetCarousel
    public IQueryable<GetCarousel_Result> GetGetCarousel_Result()
    {
        return db.GetCarousel_Result;
    }

    // GET: api/GetCarousel/5
    [ResponseType(typeof(GetCarousel_Result))]
    public IHttpActionResult GetGetCarousel_Result(int id)
    {
        GetCarousel_Result getCarousel_Result = db.GetCarousel_Result.Find(id);
        if (getCarousel_Result == null)
        {
            return NotFound();
        }

        return Ok(getCarousel_Result);
    }

    // PUT: api/GetCarousel/5
    [ResponseType(typeof(void))]
    public IHttpActionResult PutGetCarousel_Result(int id, GetCarousel_Result getCarousel_Result)
    {
        if (!ModelState.IsValid)
        {
            return BadRequest(ModelState);
        }

        if (id != getCarousel_Result.Id)
        {
            return BadRequest();
        }

        db.Entry(getCarousel_Result).State = EntityState.Modified;

        try
        {
            db.SaveChanges();
        }
        catch (DbUpdateConcurrencyException)
        {
            if (!GetCarousel_ResultExists(id))
            {
                return NotFound();
            }
            else
            {
                throw;
            }
        }

        return StatusCode(HttpStatusCode.NoContent);
    }

    // POST: api/GetCarousel
    [ResponseType(typeof(GetCarousel_Result))]
    public IHttpActionResult PostGetCarousel_Result(GetCarousel_Result getCarousel_Result)
    {
        if (!ModelState.IsValid)
        {
            return BadRequest(ModelState);
        }

        db.GetCarousel_Result.Add(getCarousel_Result);
        db.SaveChanges();

        return CreatedAtRoute("DefaultApi", new { id = getCarousel_Result.Id }, getCarousel_Result);
    }

    // DELETE: api/GetCarousel/5
    [ResponseType(typeof(GetCarousel_Result))]
    public IHttpActionResult DeleteGetCarousel_Result(int id)
    {
        GetCarousel_Result getCarousel_Result = db.GetCarousel_Result.Find(id);
        if (getCarousel_Result == null)
        {
            return NotFound();
        }

        db.GetCarousel_Result.Remove(getCarousel_Result);
        db.SaveChanges();

        return Ok(getCarousel_Result);
    }

    protected override void Dispose(bool disposing)
    {
        if (disposing)
        {
            db.Dispose();
        }
        base.Dispose(disposing);
    }

    private bool GetCarousel_ResultExists(int id)
    {
        return db.GetCarousel_Result.Count(e => e.Id == id) > 0;
    }
}
}

您应该将 class 从 GetCarousel 重命名为 GetCarouselController,因为这是 Web api 路由的惯例。

作为旁注,最好将其重命名为更合适的名称,例如 "CarouselController",通常 "GetCarousel" 更合适,因为动作,而不是控制器。