在我所拥有的ASP.net MVC 2应用程序中,我想要对post操作返回204 No Content响应。当前我的控制器方法具有void返回类型,但是这会将客户端的响应发送回200 OK,Content-Length标头设置为0.如何将响应发送到204?
[HttpPost]
public void DoSomething(string param)
{
// do some operation with param
// now I wish to return a 204 no content response to the user
// instead of the 200 OK response
}
在MVC3中有一个HttpStatusCodeResult class。您可以为MVC2应用程序滚动自己:
public class HttpStatusCodeResult : ActionResult
{
private readonly int code;
public HttpStatusCodeResult(int code)
{
this.code = code;
}
public override void ExecuteResult(System.Web.Mvc.ControllerContext context)
{
context.HttpContext.Response.StatusCode = code;
}
}
您必须改变您的控制器方法,如下所示:
[HttpPost]
public ActionResult DoSomething(string param)
{
// do some operation with param
// now I wish to return a 204 no content response to the user
// instead of the 200 OK response
return new HttpStatusCodeResult(HttpStatusCode.NoContent);
}
在ASP.NET Core 2中,您可以使用NoContent
。
[HttpPost("Update")]
public async Task<IActionResult> DoSomething(object parameters)
{
return NoContent();
}
仅供参考,我正在使用您的方法,它正在返回204 No Content(只是返回空白),我认为您还有另一个问题
[HttpPost]
public void SetInterests(int userid, [FromBody] JObject bodyParams)
{
....
.....
//returning nothing
}
您只需返回IHttpActionResult并使用StatusCode
:
public IHttpActionResult DoSomething()
{
//do something
return StatusCode(System.Net.HttpStatusCode.NoContent);
}