我有一个非常简单的WebAPI类,它返回JSON为我的获取方法。我邮政方法是:为什么我从Web API控制器上的Post方法获取空值?
// POST: api/Diff
public void Post([FromBody]string value)
{
System.Diagnostics.Debug.WriteLine(value);
}
和我打电话从控制台应用程序两种方法:
using (var client = new HttpClient())
{
// New code:
client.BaseAddress = new Uri("http://localhost:50541/");
client.DefaultRequestHeaders.Accept.Clear();
client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
// New code:
HttpResponseMessage response = await client.GetAsync("api/diff/1");
if (response.IsSuccessStatusCode)
{
var diff = await response.Content.ReadAsAsync<Diff>();
Console.WriteLine("{0}\t${1}", diff.Text, diff.Revision);
}
var blah = new Diff() { Text = "Gizmo", Revision = 999};
response = await client.PostAsJsonAsync("api/diff", blah);
的获取通话作品。我在调试器中验证了在调用PostAsJson方法之前等于不为空。但是,在API的post方法的调试器中,值为空。