/// <summary>
/// 生成订单号
/// </summary>
/// <param name="topId">类目ID,商品编号</param>
/// <param name="tableNum">表名尾数</param>
/// <param name="userid">用户ID</param>
/// <returns></returns>2+13+3
public string GetSysOrderID(string topId, string tableNum, string userid)
{
int hash = System.Guid.NewGuid().GetHashCode();
if (hash < 0)
{
hash = -hash;
}
string temp = hash.ToString() + "00000000";
temp = temp.Substring(0, 8);
string orderid = topId + temp + DateTime.Now.ToString("MMddHHmmss");
return orderid;
}
C#生成订单号
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转载自blog.csdn.net/qq_36664772/article/details/100097439
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