【专题】取得一个数各个位的值

class Program
    {
        static void Main(string[] args)
        {
            /*
            int i = 365;
            //就是三位数

            int sheng = 365;
            int ge = sheng % 10;

           // int ge = i % 10;
            Console.WriteLine("个位"+ge);
            //int sheng = i / 10;//36
            sheng = sheng / 10;
            Console.WriteLine("剩" + sheng);

            int shi = sheng % 10;
            Console.WriteLine("十位" + shi);

            sheng = sheng / 10;
            Console.WriteLine("剩" + sheng);

            int bai = sheng % 10;
            Console.WriteLine("百位"+bai);
            sheng = sheng / 10;
            Console.WriteLine("剩" + sheng);
            */

            /*
            int n = 3721886;
            int sheng = n;
            while (sheng != 0)
            {
                int wei = sheng % 10;
                Console.WriteLine(wei);

                sheng = sheng / 10;
            }*/

            int n = 3721886;
            string s = n.ToString();//项目中哪个方便用哪个。面试的时候尽量不用.net内置的方法
            for (int i = 0; i < s.Length; i++)
            {
                char ch = s[i];
                int iWei = ch-'0';//'1'→1
                //Console.WriteLine(ch);
                Console.WriteLine(iWei);
            }
            Console.ReadKey();
        }
    }