/// <summary>
/// 计算费率
/// </summary>
/// <param name="totalAmount">金额(元)</param>
/// <param name="rate">费率%</param>
/// <returns></returns>
public static decimal CalcFee(decimal totalAmount, MerchantChannelModel merchObj)
{
var svc = new CommonPayService();
var payChannelObj = svc.GetPayChannelDetail(merchObj);
var monthTotalAmt = svc.GetMonthTotalTradeAmt(DateTime.Now, merchObj.MchId);
decimal rst = payChannelObj.SingleServFeeLowLimit;
var curMonthTotalAmt = monthTotalAmt + totalAmount;
if (curMonthTotalAmt > payChannelObj.MonthFreeTradeAmount)
{ //计算费率
var freeAmt = totalAmount;
if (monthTotalAmt < payChannelObj.MonthFreeTradeAmount)
{
freeAmt = curMonthTotalAmt - payChannelObj.MonthFreeTradeAmount;
}
if (freeAmt > 0)
{
decimal per = 0.01m;
rst = freeAmt * payChannelObj.OverServiceRate * per;
if (rst < payChannelObj.SingleServFeeLowLimit)
{
rst = payChannelObj.SingleServFeeLowLimit;
}
if (rst > payChannelObj.SingleServFeeUpLimit)
{
rst = payChannelObj.SingleServFeeUpLimit;
}
return(rst);
}
return(rst);
}
return(rst);
}
/// <summary>
/// 获取对应表最大编号
/// </summary>
/// <param name="tbName"></param>
/// <param name="fieldName"></param>
/// <returns></returns>
public static int GetMaxNo(string tbName, string fieldName)
{
var svc = new CommonPayService();
return(svc.GetMaxNo(tbName, fieldName));
}