//先引用命名空间
using System.Linq;
//代码:
while (true)
{
Console.WriteLine("请输入数值,多个用空格分隔");
var str = Console.ReadLine();
var ts = str.Trim().Split(' ');
var values = ts.Where(p => int.TryParse(p, out int value)).Select(p => int.Parse(p)).OrderByDescending(p => p);
Console.WriteLine("排序结果:{0}", string.Join(", ", values));
Console.WriteLine();
}