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  • 把12341234转换成"一千两百三十四万一千两百三十四"的算法...

    在CSDN上看到这个问题, 觉得有点意思就用C#写了这么个算法...
    其实不是很复杂, 主要是要处理多种输入的情况.

    输出的例子:
    12341234
    一千二百三十四万一千二百三十四
    10001024
    一千万一千零二十四
    199998001
    一亿九千九百九十九万八千零一

    其实有的地方念"两"比"二"要舒服, 这个问题...这个算法就没考虑了..

    算法代码如下:

    using System;
    using System.Collections.Generic;
    using System.Text;

    namespace NumberReader
    {
        class Program
        {
            static void Main(string[] args)
            {
                while (true)
                {
                    string number = Console.ReadLine();
                    Console.WriteLine(GetChineseString(number));
                }
            }
           
            private static string GetChineseString(string number)
            {
                int[] numbers = GetNumberArray(number);
                int currentPower = numbers.Length;
                int lastNum = 0;
                StringBuilder sb = new StringBuilder();
                while (currentPower > 0)
                {
                    int currentNum = numbers[numbers.Length - currentPower];
                    if (currentNum == 0 && lastNum == 0)
                    {
                        if (currentPower % 4 == 1)
                        {
                            sb.Remove(sb.Length - 1, 1);
                            sb.Append(GetPowerChar(currentPower));
                        }
                        currentPower--;
                        continue;
                    }
                    sb.Append(GetChineseChar(currentNum));
                    if (currentNum != 0)
                    {
                        sb.Append(GetPowerChar(currentPower));
                    }
                    lastNum = currentNum;
                    currentPower--;
                }
                return sb.ToString();
            }

            private static string GetPowerChar(int currentPower)
            {
                int mod = currentPower % 4;
                switch (mod)
                {
                    case 0:
                        return "千";
                    case 3:
                        return "百";
                    case 2:
                        return "十";
                    case 1:
                        int modmod = currentPower % 8;
                        switch (modmod)
                        {
                            case 5:
                                return "万";
                            case 1:
                                if (currentPower != 1)
                                {
                                    return "亿";
                                }
                                break;
                        }
                        break;
                }
                return string.Empty;
            }

            private static string GetChineseChar(int p)
            {
                switch (p)
                {
                    case 0:
                        return "零";
                    case 1:
                        return "一";
                    case 2:
                        return "二";
                    case 3:
                        return "三";
                    case 4:
                        return "四";
                    case 5:
                        return "五";
                    case 6:
                        return "六";
                    case 7:
                        return "七";
                    case 8:
                        return "八";
                    case 9:
                        return "九";
                }
                return string.Empty;
            }

            private static int[] GetNumberArray(string number)
            {
                int[] arr = new int[number.Length];
                for (int i = 0; i < arr.Length; i++)
                {
                    arr[i] = (int)number[i] - 48;
                }
                return arr;
            }
        }
    }



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  • 原文地址:https://www.cnblogs.com/Dah/p/614148.html
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