/// <summary>
/// 获取微信小程序码
/// </summary>
/// <param name="token"></param>
public static async Task <string> GetWXACode(WXACodeParam param, string token)
{
string result = null;
var p = JsonConvert.SerializeObject(param, Formatting.Indented,
new JsonSerializerSettings {
ContractResolver = new LowercaseContractResolver()
});
var sendUrl = string.Format(WeChatApiUrl.GET_WXACODE, token);
try
{
var response = await HttpClientHelper.HttpPostStreamAsync(sendUrl, p);
var bytesArr = StreamHelper.StreamToBytes(response);
var b64 = Convert.ToBase64String(bytesArr);
var imgB64 = $"data:image/jpeg;base64,{b64}";
result = imgB64;
}
catch (Exception ex)
{
result = null;
//取得当前方法类全名 包括命名空间
string className = System.Reflection.MethodBase.GetCurrentMethod().DeclaringType.FullName;
//取得当前方法名
string methedName = System.Reflection.MethodBase.GetCurrentMethod().Name;
Common.Helper.Logger.Error($"获取微信小程序码失败 {sendUrl}：{ex.Message} {Environment.NewLine} at {className}.{methedName}:{Environment.NewLine} {p}");
}
return(result);
}
public async Task <IActionResult> GetTransferedWXAcodeAsync(string orderGuid)
{
#region 检测待转让订单是否能被转让
var orderBiz = new MealOrderBiz();
var orderModelOld = await orderBiz.GetModelAsync(orderGuid);
if (orderModelOld == null)
{
return(Failed(ErrorCode.Empty, "无此订单数据"));
}
if (orderModelOld.OrderStatus != MealOrderStatusEnum.Paided.ToString())
{
var enumStatus = (MealOrderStatusEnum)Enum.Parse(typeof(MealOrderStatusEnum), orderModelOld.OrderStatus);
return(Failed(ErrorCode.UserData, $"当前订单状态为[{enumStatus.GetDescription()}]不支持转让"));
}
else if (orderModelOld.MealEndTime < DateTime.Now)
{
return(Failed(ErrorCode.UserData, $"当前订单已过用餐时间，无法转让"));
}
#endregion
var resToken = WeChartApi.GetAccessToken(PlatformSettings.CDMealClientAppId, PlatformSettings.CDMealClientAppSecret).Result;
if (resToken.Errcode != 0 || resToken == null)
{
return(Failed(ErrorCode.SystemException, $"获取token失败：{resToken.Errmsg}"));
}
var param = new WXACodeParam
{
Path = $"pages/OrderTransfer/OrderTransfer?orderGuid={orderGuid}",
Width = 280
};
var res = WeChartApi.GetWXACode(param, resToken.AccessToken).Result;
if (string.IsNullOrWhiteSpace(res))
{
return(Failed(ErrorCode.SystemException, $"获取转让码失败"));
}
var response = new GetTransferedWXAcodeResponseDto
{
TransferedCodeImg = res,
CategoryName = orderModelOld.CategoryName,
MealStartTime = orderModelOld.MealStartTime,
MealEndTime = orderModelOld.MealEndTime
};
return(Success(response));
}
