/// <summary>
/// 洗牌算法
/// </summary>
private void test()
{
  int[] iCards = new int[54];
  for (int i = 0; i < iCards.Length; i++)
  {
    iCards[i] = i + 1;
  }
  //
  Random rand = new Random();
  int iTarget = 0, iCardTemp = 0;
  for (int i = 0; i < iCards.Length; i++)
  {
    iTarget = rand.Next(0, iCards.Length);
    iCardTemp = iCards[i];
    iCards[i] = iCards[iTarget];
    iCards[iTarget] = iCardTemp;
  }
 
  for (int i = 0; i < iCards.Length; i++)
  {
    Response.Write("第" + (i + 1) + "张牌是：" + iCards[i] + "<br/>");
  }
}