[英]WebApi endpoint always gives “404 not found”
我試圖在一個全新的Web應用程序中實現WebApi端點,但無論我嘗試什么,我總是在嘗試從所述端點進行GET時得到“404 not found”。
我開始簡單,只是試圖從數據庫中提取車輛列表。
我的應用程序的目錄結構如下所示:
相關的代碼位如下所示:
dataService.js
(function () {
var injectParams = ['vehiclesService'];
var dataService = function (vehiclesService) {
return vehiclesService;
};
dataService.$inject = injectParams;
angular.module('teleAiDiagnostics').factory('dataService', dataService);
}());
vehiclesService.js
(function () {
var injectParams = ['$http', '$q'];
var vehiclesFactory = function ($http, $q) {
var serviceBase = '/api/dataservice/',
factory = {};
factory.getVehicles = function () {
return $http.get(serviceBase + 'vehicles').then(function (response) {
var vehicles = response.data;
return {
totalRecords: parseInt(response.headers('X-InlineCount')),
results: vehicles
};
});
};
return factory;
};
vehiclesFactory.$inject = injectParams;
angular.module('teleAiDiagnostics').factory('vehiclesService', vehiclesFactory);
}());
DataServiceController.cs
using System.Collections.Generic;
using System.Net;
using System.Net.Http;
using System.Web;
using System.Web.Http;
namespace TeleAiDiagnostics
{
public class DataServiceController : ApiController
{
TeleAiRepository _TeleAiRepository;
public DataServiceController()
{
_TeleAiRepository = new TeleAiRepository();
}
[HttpGet]
public HttpResponseMessage Vehicles()
{
List<TeleAiVehicle> vehicles = _TeleAiRepository.GetVehicles();
HttpContext.Current.Response.Headers.Add("X-inlineCount", vehicles.Count.ToString());
return Request.CreateResponse(HttpStatusCode.OK, vehicles);
}
}
}
vehiclesController.js
(function () {
var injectParams = ['$location', 'dataService'];
var VehiclesController = function ($location, dataService) {
var vm = this;
vm.vehicles = [];
function init() {
dataService.getVehicles()
.then(function (data) {
vm.vehicles = data.results;
}, function (error) {
var thisError = error.data.message;
});
};
init();
};
VehiclesController.$inject = injectParams;
angular.module('teleAiDiagnostics').controller('VehiclesController', VehiclesController);
}());
WebApiConfig.cs
using Newtonsoft.Json;
using Newtonsoft.Json.Serialization;
using System.Linq;
using System.Web.Http;
using System.Web.Routing;
namespace TeleAiDiagnostics
{
public static class WebApiConfig
{
public static void Register(HttpConfiguration config)
{
config.MapHttpAttributeRoutes();
config.Routes.MapHttpRoute(
name: "DefaultApi",
routeTemplate: "api/{controller}/{action}/{id}",
defaults: new { id = RouteParameter.Optional }
);
config.Formatters.JsonFormatter.SerializerSettings.ContractResolver = new CamelCasePropertyNamesContractResolver();
config.Formatters.JsonFormatter.SerializerSettings.ReferenceLoopHandling = ReferenceLoopHandling.Ignore;
// Remove default XML handler
var matches = config.Formatters
.Where(f => f.SupportedMediaTypes
.Where(m => m.MediaType.ToString() == "application/xml" ||
m.MediaType.ToString() == "text/xml")
.Count() > 0)
.ToList();
foreach (var match in matches)
config.Formatters.Remove(match);
}
}
}
的Global.asax.cs
using System;
using System.Web.Http;
namespace TeleAiDiagnostics
{
public class Global : System.Web.HttpApplication
{
protected void Application_Start(object sender, EventArgs e)
{
WebApiConfig.Register(GlobalConfiguration.Configuration);
GlobalConfiguration.Configuration.EnsureInitialized();
}
protected void Session_Start(object sender, EventArgs e)
{
}
protected void Application_BeginRequest(object sender, EventArgs e)
{
}
protected void Application_AuthenticateRequest(object sender, EventArgs e)
{
}
protected void Application_Error(object sender, EventArgs e)
{
}
protected void Session_End(object sender, EventArgs e)
{
}
protected void Application_End(object sender, EventArgs e)
{
}
}
}
RouteConfig.cs
namespace TeleAiDiagnostics
{
public class RouteConfig
{
}
}
我已經嘗試過關於我在網上找到的每個教程的說明,但我仍然沒有運氣。
無論提供什么幫助,我們都非常感謝。
謝謝,
伊恩
我們有答案!
Dan Dumitru和jps都是正確的。 嘗試IIS Express后,我意識到了我的錯誤。
端點確實是http://localhost/TeleAiDiagnostics/api/dataservice/vehicles
,而不僅僅是http://localhost/api/dataservice/vehicles
。
不知道為什么花了很長時間才意識到這一點。 無論如何,我要感謝大家的幫助。
這可能是因為您的默認Web API路由。 我認為它應該是:
config.Routes.MapHttpRoute(
name: "DefaultApi",
routeTemplate: "api/{controller}/{id}",
defaults: new { id = RouteParameter.Optional }
);
(沒有{action}
部分)
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