namespace ConsoleApplication
{
    public class Program
    {
        public static void Main(string[] args)
        {
            int[] array = { 43, 69, 11, 72, 28, 21, 56, 80, 48, 94, 32, 8 };
            BubbleSort(array);
            ShowSord(array);
            Console.ReadKey();
        }
        private static void ShowSord(int[] array)
        {
            foreach (var num in array)
            {
                Console.Write($"{num} ");
            }
            Console.WriteLine();
        }
        public static void BubbleSort(int[] array)
        {
            for (int i=0;i<array.Length;i++)
            {
                int tempindex = i;
                for (int j=i+1;j< array.Length; j++)
                {
                    if (array[tempindex]> array[j])
                    {
                        tempindex = j;
                    }
                }
                if (tempindex!=i)
                {
                    int tempValue = array[tempindex];
                    array[tempindex] = array[i];
                    array[i] = tempValue;
                }
            }
        }
    }
}

输出：