我创建了一个新的ASP.NET MVC4 Web Api项目。除了默认ValuesController
之外,我添加了另一个控制器ScenarioController
。它具有与ValuesController
完全相同的方法。但由于某种原因,它的行为有所不同。
/api/values/ => "value1","value2"
/api/values/1 => "value"
/api/scenario/ => "value1","value2"
/api/scenario/1 => "value1","value2"
^^^^^^^^^^^^^^^^^
should return "value"!
使用断点,我知道/api/scenario/1
实际上已发送到public IEnumerable<string> Get()
,而不是预期的public string Get(int id)
。为什么呢?
供参考,以下是相关文件(这些是原始默认的mvc4-webapi类,未修改任何内容):
的Global.asax.cs
namespace RoutingTest
{
// Note: For instructions on enabling IIS6 or IIS7 classic mode,
// visit http://go.microsoft.com/?LinkId=9394801
public class WebApiApplication : System.Web.HttpApplication
{
protected void Application_Start()
{
AreaRegistration.RegisterAllAreas();
WebApiConfig.Register(GlobalConfiguration.Configuration);
FilterConfig.RegisterGlobalFilters(GlobalFilters.Filters);
RouteConfig.RegisterRoutes(RouteTable.Routes);
BundleConfig.RegisterBundles(BundleTable.Bundles);
}
}
}
WebApiConfig.cs
namespace RoutingTest
{
public static class WebApiConfig
{
public static void Register(HttpConfiguration config)
{
config.Routes.MapHttpRoute(
name: "DefaultApi",
routeTemplate: "api/{controller}/{id}",
defaults: new { id = RouteParameter.Optional }
);
// Uncomment the following line of code to enable query support for actions with an IQueryable or IQueryable<T> return type.
// To avoid processing unexpected or malicious queries, use the validation settings on QueryableAttribute to validate incoming queries.
// For more information, visit http://go.microsoft.com/fwlink/?LinkId=279712.
//config.EnableQuerySupport();
// To disable tracing in your application, please comment out or remove the following line of code
// For more information, refer to: http://www.asp.net/web-api
config.EnableSystemDiagnosticsTracing();
}
}
}
ValuesController.cs
namespace RoutingTest.Controllers
{
public class ValuesController : ApiController
{
// GET api/values
public IEnumerable<string> Get()
{
return new string[] { "value1", "value2" };
}
// GET api/values/5
public string Get(int id)
{
return "value";
}
}
}
ScenarioController.cs (是的,它位于Controllers文件夹中)
namespace RoutingTest.Controllers
{
public class ScenarioController : ApiController
{
// GET api/scenario
public IEnumerable<string> Get()
{
return new string[] { "value1", "value2" };
}
// GET api/scenario/5
public string Get(int id)
{
return "value";
}
}
}
答案 0 :(得分:2)
我刚刚尝试了你的代码并得到了预期的结果:
> curl http://localhost:53803/api/values
["value1","value2"]
> curl http://localhost:53803/api/values/1
"value"
> curl http://localhost:53803/api/scenario
["value1","value2"]
> curl http://localhost:53803/api/scenario/1
"value"
>
(顺便说一下,不要求它位于Controllers
文件夹中。HttpConfiguration.Routes.MapHttpRoute
只需查找从ApiController
继承的所有类。)
当我建议你重建所有并再试一次时,我并没有讽刺。
答案 1 :(得分:2)
<强>小魔怪即可。感谢@Pete Klien验证代码在我的机器外部是否正常工作。这就是我所做的。
答案 2 :(得分:0)
我遇到了这个问题,无法正常工作。最后,我更改了IIS Express Project Url设置上的端口,一切都恢复正常。这是localhost:57846。我刚做了localhost:57847,一切都恢复了正常。