将一个int数组向左平移一次
int[] numbs = { 1,2,3,4,5};
int temp = numbs[0];
for (int i = 0; i < numbs.Length-1; i++)
{
numbs[i] = numbs[i + 1];
}
numbs[numbs.Length - 1] = temp;
foreach (int item in numbs)
{
Console.Write(item+",");
}