Utf8JsonWriter生成json

 private static Task WriteResponse(HttpContext context, HealthReport healthReport)
 {
     context.Response.ContentType = "application/json; charset=utf-8";

     var options = new JsonWriterOptions { Indented = true };

     using var memoryStream = new MemoryStream();
     using (var jsonWriter = new Utf8JsonWriter(memoryStream, options))
     {
         jsonWriter.WriteStartObject();
         jsonWriter.WriteString("status", healthReport.Status.ToString());
         jsonWriter.WriteStartObject("results");

         foreach (var healthReportEntry in healthReport.Entries)
         {
             jsonWriter.WriteStartObject(healthReportEntry.Key);
             jsonWriter.WriteString("status",healthReportEntry.Value.Status.ToString());
             jsonWriter.WriteString("description",healthReportEntry.Value.Description);
             jsonWriter.WriteStartObject("data");

             foreach (var item in healthReportEntry.Value.Data)
             {
                 jsonWriter.WritePropertyName(item.Key);

                 JsonSerializer.Serialize(jsonWriter, item.Value,
                     item.Value?.GetType() ?? typeof(object));
             }

             jsonWriter.WriteEndObject();
             jsonWriter.WriteEndObject();
         }

         jsonWriter.WriteEndObject();
         jsonWriter.WriteEndObject();
     }

     return context.Response.WriteAsync(Encoding.UTF8.GetString(memoryStream.ToArray()));
 }