using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace CP.Common
{
    public static class DateTimeHelp
    {
        public static string ToShortDateStr(this DateTime d)
        {
            return d.Year + "-" + d.Month.ToString().PadLeft(2, '0') + "-" + d.Day.ToString().PadLeft(2, '0');
        }
    }
}