Question

编写c#程序，利用“*”分别打印出图片的图案。编了几次都没成功，求帮助。

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Answer 1

class Program
    {
        static void Main(string[] args)
        {
            for (int i = 0; i < 9; i++)
            {
                if (i < 5)
                {
                    for (int j = 4; j > i; j--)
                    {
                        Console.Write(" ");
                    }
                    Console.Write("*");
                    if (i != 0)
                    {
                        for (int j = 0; j < 2*i-1; j++)
                        {
                            Console.Write(" ");
                        }
                        Console.Write("*");
                    }
                    Console.WriteLine();
                }
                else
                {
                    for (int j = 5; j <= i; j++)
                    {
                        Console.Write(" ");
                    }
                    Console.Write("*");
                    if (i!=8)
                    {
                        for (int j = 2*(7-i); j >= 0; j--)
                        {
                            Console.Write(" ");
                        }
                        Console.Write("*");
                    }
                    Console.WriteLine();
                }
            }
            Console.ReadLine();
        }
    }

 第二个

class Program
    {
        static void Main(string[] args)
        {
            for (int i = 1; i <= 9; i++)
            {
                if (i==1||i==9)
                {
                    for (int j = 0; j < 9; j++)
                    {
                        Console.Write("*");
                    }
                    Console.WriteLine();
                }
                else
                {
                    Console.Write("*");
                    for (int j = 0; j < 7; j++)
                    {
                        Console.Write(" ");
                    }
                    Console.WriteLine("*");
                }
            }
            Console.ReadLine();
        }
    }