ASP.NET MVC 消息处理程序与 Web API 消息处理程序

ASP.NET MVC 消息处理程序与 Web API 消息处理程序的比较和案例代码

csharp
public class MyMessageHandler : DelegatingHandler
{
    protected override async Task SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
    {
        // 在发送请求之前的逻辑
        // ...
        var response = await base.SendAsync(request, cancellationToken);
        // 在收到响应之后的逻辑
        // ...
        return response;
    }
}

csharp
public class MyMessageHandler : DelegatingHandler
{
    protected override async Task SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
    {
        // 在发送请求之前的逻辑
        // ...
        var response = await base.SendAsync(request, cancellationToken);
        // 在收到响应之后的逻辑
        // ...
        return response;
    }
}

csharp
public class MyMessageHandler : DelegatingHandler
{
    protected override async Task SendAsync(HttpRequestMessage request, CancellationToken cancellationToken)
    {
        // 在发送请求之前的逻辑
        // ...
        var response = await base.SendAsync(request, cancellationToken);
        // 在收到响应之后的逻辑
        // ...
        return response;
    }
}
public class HomeController : Controller
{
    [HttpGet]
    public ActionResult Index()
    {
        // 控制器逻辑
        // ...
        return View();
    }
}
public class ValuesController : ApiController
{
    [HttpGet]
    public IHttpActionResult Get()
    {
        // 控制器逻辑
        // ...
        return Ok();
    }
}
public class MvcApplication : System.Web.HttpApplication
{
    protected void Application_Start()
    {
        GlobalConfiguration.Configure(WebApiConfig.Register);
        GlobalFilters.Filters.Add(new MyMessageHandler());
    }
}