public int Compare(object x, object y)
{
var s0 = x == null ? "" : x.ToString();
var s1 = y == null ? "" : y.ToString();
if (s0.Length < 1)
{
s0 = ("?" + s0);
}
if (s1.Length < 1)
{
s1 = ("?" + s1);
}
var p0 = dayNo(s0[0]);
var p1 = dayNo(s1[0]);
var pc = p0 - p1;
if (pc == 0)
{
return(StrUtil.ComparerThinkNumber(s0, s1));
}
else
{
return(pc);
}
}