Merge branch 'master' of https://github.com/dotnetcore/WebApiClient into master

Author: xljiulang

WebApiClientCore/BuildinAttributes/CancellationTokenTypeAttribute.cs

@@ -1,4 +1,5 @@
-using System.Threading;
+using System.Collections.Generic;
+using System.Threading;
 using System.Threading.Tasks;
 
 namespace WebApiClientCore.Attributes
@@ -19,6 +20,13 @@ public override Task OnRequestAsync(ApiParameterContext context)
  {
  context.HttpContext.CancellationTokens.Add(token);
  }
+ else if (context.ParameterValue is IEnumerable<CancellationToken> tokens)
+ {
+ foreach (var item in tokens)
+ {
+ context.HttpContext.CancellationTokens.Add(item);
+ }
+ }
  return Task.CompletedTask;
  }
  }