/// <summary>
  /// 调用微信小程序的发货接口
  /// using SKIT.FlurlHttpClient.Wechat.Api;
  ///using SKIT.FlurlHttpClient.Wechat.Api.Models;
  ///https://developers.weixin.qq.com/miniprogram/dev/platform-capabilities/business-capabilities/order-shipping/order-shipping.html#%E4%B8%80%E3%80%81%E5%8F%91%E8%B4%A7%E4%BF%A1%E6%81%AF%E5%BD%95%E5%85%A5%E6%8E%A5%E5%8F%A3
  /// </summary>
  /// <returns></returns>
  /// <exception cref="Exception"></exception>
  public async Task<IActionResult> WxFaHuo() {
      var options = new WechatApiClientOptions()
      {
          AppId = "wxd64fd8b6ce00000",
          AppSecret = "7800000feb000000ee88c6c",
      };
      var client = new WechatApiClient(options);
      //先取token
      var aaa = await client.ExecuteCgibinTokenAsync(new SKIT.FlurlHttpClient.Wechat.Api.Models.CgibinTokenRequest()
      {
          GrantType = "client_credential"
      }); 
      if (aaa.ErrorCode != 0)
      {
          throw new Exception("取accesstoken出错:" + aaa.ErrorMessage);
      }
      //调正式的接口
      var bbb = await client.ExecuteWxaSecOrderUploadShippingInfoAsync(new SKIT.FlurlHttpClient.Wechat.Api.Models.WxaSecOrderUploadShippingInfoRequest()
      {
          AccessToken = aaa.AccessToken,
          OrderKey = new SKIT.FlurlHttpClient.Wechat.Api.Models.WxaSecOrderUploadShippingInfoRequest.Types.OrderKey()
          {
              OrderNumberType = 2,
              TransactionId = "4200000000258501830",
          },
          LogisticsType = 3,
          DeliveryMode = 1,
          ShippingList = new List<WxaSecOrderUploadShippingInfoRequest.Types.Shipping>() {
             new WxaSecOrderUploadShippingInfoRequest.Types.Shipping(){
              ItemDescription = "虚拟商品"
             }
            },
          UploadTime = DateTimeOffset.Now,
          Payer = new WxaSecOrderUploadShippingInfoRequest.Types.Payer()
          {
              OpenId = "oOGeG63Rl000oybS0Fu7tDo"
          }
      });
      return Content($"code:{bbb.ErrorCode}, msg:{bbb.ErrorMessage}");
  }