某公司的一个题面试题(wfcfan)

是一题笔试题，也没有什么难点，当时写这道题的时候太唐突了，

今天回来再机子上重新完善完善了

题面：请打印以下图形

   *

  ***

 *****

*******

 *****

  ***

   *

code:

class Program
    {
        private const string flag = "*";
        private const char snull = ' ';
        private const int length = 7;

        static void Main(string[] args)
        {
            for (int i = 0; i <= length; i++)
            {
                if (i % 2 != 0)
                    PrintFlag(i);

                if (i == length)
                {
                    for (int j = length - 2; j > 0; j--)
                        if (j % 2 != 0)
                            PrintFlag(j);
                }
            }
            Console.Read();
        }

        static void PrintFlag(int currentIndex)
        {
            string t = string.Empty, s = string.Empty;
            for (int i = 0; i < currentIndex; i++)
            {
                t += flag;
            }
            s = GetLocation(currentIndex, t);
            Console.WriteLine(s);
        }

        static string GetLocation(int currentIndex,string flag)
        {
            int totalcount = length;
            if (currentIndex == totalcount)
                return flag;

            int startlocation = (totalcount - currentIndex) / 2;
            string temp = flag.PadLeft(startlocation + currentIndex, snull);
            temp = temp.PadRight(totalcount, snull);
            return temp;
        }
}

code2

class Program{
   static void Main(string[] args)
  {       Console.WriteLine("   *   ");
          Console.WriteLine("  ***  ");
          Console.WriteLine(" ***** ");
      Console.WriteLine("*******");
  Console.WriteLine(" ***** ");
  Console.WriteLine("  ***  ");
   Console.WriteLine("   *   ");
   Console.Read();
 }

}
code3

Console.WriteLine(@"   *

  ***

 *****

*******

 *****

  ***

   *");

code4

class Program
{
static void Main(string[] args)
{
PrintStar(9);
}
public static void PrintStar(int maxNumber)
{

//可以在此检验maxNumber是否为奇数


///正打
for (int i = 1; i <= maxNumber;)
{
ShowConsoleStar(i,maxNumber);
i = i + 2;
}
//反打
for (int i = maxNumber - 2; i >= 1; )
{
ShowConsoleStar(i,maxNumber );
i = i - 2;
}
}
private static void ShowConsoleStar(int starNumber,int maxNumber)
{
//补位
for (int i = 1; i <= (maxNumber - starNumber)/2;i++ )
{
Console.Write(" "); 
}
//打星
for (int i = 1; i <=starNumber; i++)
{
Console.Write("*"); 
}
//换行
Console.WriteLine(); 

}

}

http://www.cnblogs.com/wfcfan/archive/2009/10/09/1579758.html