我希望能够支持这些网址:
// GET: api/Users returns a list (all)
// GET: api/Users/5 returns the user with Id 5
// GET: api/Users/Active returns a list (only those not soft-deleted)
// POST: api/Users creates a user
我首先尝试以这种方式配置它:
config.Routes.MapHttpRoute(
name: "DefaultApi",
routeTemplate: "api/{controller}/{id}",
defaults: new { id = RouteParameter.Optional }
);
但后来我无法支持api/Users/Active
请求
所以我试着用这种方式配置它:
config.Routes.MapHttpRoute(
name: "DefaultApi",
routeTemplate: "api/{controller}/{action}/{id}",
defaults: new { id = RouteParameter.Optional }
);
但是我不能支持api/Users/5
请求
是否有可能支持两者?
答案 0 :(得分:1)
注册多条路线。
您还可以提供约束,这些约束限制URI段与占位符匹配的方式:
constraints: new { id = @"\d+" } // Only matches if "id" is one or more digits.
实施例
// GET: api/Users returns a list (all)
// GET: api/Users/5 returns the user with Id 5
// POST: api/Users creates a user
config.Routes.MapHttpRoute(
name: "Api",
routeTemplate: "api/{controller}/{id}",
defaults: new { id = RouteParameter.Optional },
constraints: new { id = @"\d+" }
);
// GET: api/Users/Active returns a list (only those not soft-deleted)
config.Routes.MapHttpRoute(
name: "DefaultApi",
routeTemplate: "api/{controller}/{action}/{id}",
defaults: new { id = RouteParameter.Optional }
);
或启用属性路由。
public static class WebApiConfig {
public static void Register(HttpConfiguration config) {
// Attribute routing.
config.MapHttpAttributeRoutes();
// Convention-based routing.
config.Routes.MapHttpRoute(
name: "DefaultApi",
routeTemplate: "api/{controller}/{id}",
defaults: new { id = RouteParameter.Optional }
);
}
}
控制器
[RoutePrefix("api/users")]
public class UsersController : ApiController {
// GET: api/Users returns a list (all)
[HttpGet]
[Route("")]
public IHttpActionResult Get() { ... }
// GET: api/Users/5 returns the user with Id 5
[HttpGet]
[Route("{id:int}")]
public IHttpActionResult Get(int id) { ... }
// GET: api/Users/Active returns a list (only those not soft-deleted)
[HttpGet]
[Route("Active")]
public IHttpActionResult Active() { ... }
// POST: api/Users creates a user
[HttpPost]
[Route("")]
public IHttpActionResult Post(User user) { ... }
}