webapi中的路由前缀
Route Prefixes
Often, the routes in a controller all start with the same prefix. For example:
public class BooksController : ApiController
{
[Route("api/books")]
public IEnumerable<Book> GetBooks() { ... }
[Route("api/books/{id:int}")]
public Book GetBook(int id) { ... }
[Route("api/books")]
[HttpPost]
public HttpResponseMessage CreateBook(Book book) { ... }
}
You can set a common prefix for an entire controller by using the [RoutePrefix] attribute:
[RoutePrefix("api/books")]
public class BooksController : ApiController
{
// GET api/books
[Route("")]
public IEnumerable<Book> Get() { ... }
// GET api/books/5
[Route("{id:int}")]
public Book Get(int id) { ... }
// POST api/books
[Route("")]
public HttpResponseMessage Post(Book book) { ... }
}
Use a tilde (~) on the method attribute to override the route prefix:
[RoutePrefix("api/books")]
public class BooksController : ApiController
{
// GET /api/authors/1/books
[Route("~/api/authors/{authorId:int}/books")]
public IEnumerable<Book> GetByAuthor(int authorId) { ... }
// ...
}
The route prefix can include parameters:
[RoutePrefix("customers/{customerId}")]
public class OrdersController : ApiController
{
// GET customers/1/orders
[Route("orders")]
public IEnumerable<Order> Get(int customerId) { ... }
}