添加项目文件。

TechHelper.Server/WeatherForecast.cs

@@ -0,0 +1,13 @@
+namespace TechHelper.Server
+{
+	public class WeatherForecast
+	{
+		public DateOnly Date { get; set; }
+
+		public int TemperatureC { get; set; }
+
+		public int TemperatureF => 32 + (int)(TemperatureC / 0.5556);
+
+		public string? Summary { get; set; }
+	}
+}