/// <summary>
///生成在线订单号
/// </summary>
/// <param name="paytepe"></param>
/// <returns></returns>
public string GetOnlineOrder(PayTypeEnum paytepe)
{
string result = string.Empty;
switch (paytepe)
{
case PayTypeEnum.Alipay:
result = string.Format("Al{0}{1}{2}", Utils.GetUnixTime(), Utils.GenPsw(16, 16), Utils.GetRandom(1000, 9999));
break;
case PayTypeEnum.WeChart:
result = string.Format("WX{0}{1}{2}", Utils.GetUnixTime(), Utils.GenPsw(16, 16), Utils.GetRandom(1000, 9999));
break;
}
return(result);
}
/// <summary>
/// 生成订单编码
/// 规则: 来源(2位)-支付方式(2位)-时间戳(秒级)-属于用户当日订单数量+1(3位)
/// </summary>
/// <param name="sourceType">订单来源</param>
/// <param name="payType">支付方式</param>
/// <param name="time">属于用户当日订单数量</param>
/// <returns></returns>
public string GetOrderMaxCode(OrderSourceType sourceType, PayTypeEnum payType, DateTime?time = null)
{
var precode = RandomHelper.GetRandom(1, 9) + Convert.ToInt32(sourceType).ToString() + Convert.ToInt32(payType);
var date = time ?? DateTime.Now;
var codeStateWith = precode + date.ToString("yyyyMMdd"); //截取数据格式：年-月-日 20191021
var code = codeStateWith;
var list = this.EntityRepo.GetAll().Where(e => e.OrderCode.StartsWith(codeStateWith)).ToList();
var model = list.Select(e => new { Number = e.OrderCode.Substring(code.Length).CastTo(0) })
.OrderByDescending(e => e.Number)
.FirstOrDefault();//返回订单的最后一位
if (model != null)
{
code += (model.Number + 1).ToString().PadLeft(2, '0');
}
else
{
code += "01";
}
return(code);
}
