.net core1.1,去掉了对该方法的支持只需添加依赖包, 不过在github的issue中说是2.0将会支持。
添加依赖包System.Runtime.Serialization.Json即可。
参考:
– REST client
– DataContractJsonSerializer failing in Microsoft.NetCore.UniversalWindowsPlatform
– which nuget package I should add in my json file to use System.Serializable attribute?