[ApiController]
    [Route("[controller]")]
    public class TestController : ControllerBase
    {
 
        public TestController()
        {

        }

        [HttpPost]
        public async Task<WeatherForecast> Save([FromBody]WeatherForecast enttiy)
        {
            using (StreamReader reader = new StreamReader(Request.Body))
            {
                Request.Body.Position = 0;
                string response = await reader.ReadToEndAsync();
            }
            return enttiy;
        }
    }

System.NotSupportedException: Specified method is not supported.
   at Microsoft.AspNetCore.Server.Kestrel.Core.Internal.Http.HttpRequestStream.set_Position(Int64 value)

    [HttpPost]
    [EnableBuffering]
    public async Task<WeatherForecast> Save([FromBody]WeatherForecast enttiy)
    {
        ....
    }

    IServiceCollection services = new ServiceCollection()
        .AddExtensions(null, config =>
        {
            // 自动传递以my-为前缀的请求头
            config.TrackingHeaders.Add("my-*");
        });

    IServiceCollection services = new ServiceCollection()
        .AddExtensions(null, config =>
        {
            // 将my-id请求头包含到日志范围
            config.HttpHeaders.Add("my-id");
        });

    IServiceCollection services = new ServiceCollection()
        .AddExtensions(null, config =>
        {
            config.ConsoleJsonLog = true;
        });

    public class WeatherForecast
    {
        public DateTime Date { get; set; }

        public int TemperatureC { get; set; }

        public int TemperatureF => 32 + (int)(TemperatureC / 0.5556);

        public string Summary { get; set; }
    }

    static async Task Main(string[] args)
    {
        IServiceCollection services = new ServiceCollection()
            .AddExtensions(null, config =>
            {
            });

        IServiceProvider serviceProvider = services.BuildServiceProvider();

        IHttpClientFactory factory = serviceProvider.GetRequiredService<IHttpClientFactory>();
        HttpClient client = factory.CreateClient();

        HttpRequestMessage request = new HttpRequestMessage(HttpMethod.Post, "http://localhost:5000/test");
        
        // 写入请求对象
        await request.WriteObjectAsync(new WeatherForecast()
        {
            Date = DateTime.Now
        });
        request.Content.Headers.ContentType = new MediaTypeHeaderValue("application/json");

        // 读取请求对象
        var entity = await request.GetObjectAsync<WeatherForecast>();

        HttpResponseMessage response = await client.SendAsync(request);

        // 读取应答对象
        entity = await response.GetObjectAsync<WeatherForecast>();

        Console.ReadLine();
    }