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()));
}