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数字转换中文字符(C#)

 

 1using System;
 2using System.Collections.Generic;
 3using System.Text;
 4
 5namespace CW
 6{
 7    public class Cash
 8    {
 9        private static string MoneyNum = "零一二三四五六七八九";
10        private static string MoneyUnit = "十百千万十百千亿";
11        private static string CashUnit = "元角分整";
12        private static string[] BeforeReplace = new string[] {  MoneyNum[0].ToString() + MoneyNum[0].ToString(),
13                                                                MoneyUnit[7].ToString() + MoneyNum[0].ToString() + MoneyUnit[3].ToString() ,
14                                                                MoneyNum[0].ToString() + MoneyUnit[3].ToString(),
15                                                                MoneyNum[0].ToString() + MoneyUnit[7].ToString(),
16                                                                MoneyUnit[7].ToString() + MoneyUnit[3].ToString(),
17                                                                MoneyNum[0].ToString() + MoneyNum[0].ToString(),
18                                                                MoneyNum[0].ToString() + CashUnit[1].ToString() + MoneyNum[0].ToString() + CashUnit[2].ToString(),
19                                                                MoneyNum[0].ToString() + CashUnit[2].ToString()
20                                                             };
21        private static string[] AfterReplace = new string[] {  MoneyNum[0].ToString(),
22                                                                MoneyUnit[7].ToString() + MoneyNum[0].ToString(),
23                                                                MoneyUnit[3].ToString() + MoneyNum[0].ToString(),
24                                                                MoneyUnit[7].ToString() + MoneyNum[0].ToString(),
25                                                                MoneyUnit[7].ToString() + MoneyNum[0].ToString(),
26                                                                MoneyNum[0].ToString(),
27                                                                String.Empty,
28                                                                String.Empty
29                                                             };
30
31        /**//// <summary>
32        /// 字符串替换方法，另外一种是以 4 个数字为基础的递归方法
33        /// Create By HJ 2007-10-21
34        /// </summary>
35        /// <param name="moneyNum"></param>
36        /// <returns></returns>
37        public static string getCash(decimal moneyNum)
38        {
39            string intNum, point;
40            /**////取整数部分
41            intNum = Convert.ToString(Math.Floor(moneyNum));       
42            /**////取小数部分
43            point = Convert.ToString(Math.Floor(moneyNum * 100));  
44            point = point.Substring(point.Length - 2);
45
46            /**////计算整数部分
47            for (int i = 0; i < MoneyNum.Length; i++)
48            {
49                intNum = intNum.Replace(i.ToString(), MoneyNum[i].ToString());
50            }
51            int intNumLength = intNum.Length;
52            for (int i = intNumLength - 1; i > 0; i--)
53            {   /**////根据位数把单位加上
54                ///如果是零则不加单位，但是 万  和  亿 需要加上
55                if (intNum[i - 1] == MoneyNum[0] && (intNumLength - i + 7) % 8 != 3 && (intNumLength - i + 7) % 8 != 7) continue;
56                intNum = intNum.Insert(i, MoneyUnit[(intNumLength - i + 7) % 8].ToString());
57            }
58
59            /**////加上 角 和 分 的单位
60            intNum += CashUnit[0].ToString() + MoneyNum.Substring(Convert.ToInt16(point[0].ToString()), 1) + CashUnit[1].ToString() + MoneyNum.Substring(Convert.ToInt16(point[1].ToString()), 1) + CashUnit[2].ToString();
61
62            /**////替换  零零 -> 零  亿零万  ->  亿零，零万  ->  万零，零亿 -> 亿零，亿万 -> 亿零，零角零分 - > ""，零分 - > ""，零零 -> 零，再调用一次，确保 亿零万 替换后的情况
63            for (int i = 0; i < BeforeReplace.Length; i++)
64            { 
65                while(intNum.IndexOf(BeforeReplace[i])>-1)
66                {
67                    intNum = intNum.Replace(BeforeReplace[i], AfterReplace[i]);
68                }
69            }
70
71            /**////最后的 零 去掉
72            if (intNum.EndsWith(MoneyNum[0].ToString())) intNum = intNum.Substring(0, intNum.Length - 1);
73
74            return intNum + CashUnit[3].ToString();
75        }
76
77    }
78}

posted on 2005-12-12 11:59 白开心 阅读(4749) 评论(0)  编辑 收藏 引用 所属分类: .Net（学习ing...）
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