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Posted on 2006-12-01 12:36 随心所欲 阅读(413) 评论(2) 编辑 收藏 网摘 所属分类: 其他技术
这是一个可以把数字转换成货币字符串的程序。
在一些情况下，需要把12.50转化成“Twelve Dollars Fifty Cents”的现实方式，这个程序就是做这样一个转化的。
它可以做一些扩展，比方说做成转化成数字(Twelve point five)，汉字(壹十贰圆伍角整)等等
http://www.osix.net/modules/article/?id=46
一开始在网上找到了这个例子，但是不能直接运行，错误很多，好像不全。于是自己改写了一下。难度没有，就是一个实用的小工具。和以前的那个可以转化汉语拼音的差不多。
1 using System;
2using System.Data;
3using System.Configuration;
4using System.Web;
5using System.Web.Security;
6using System.Web.UI;
7using System.Web.UI.WebControls;
8using System.Web.UI.WebControls.WebParts;
9using System.Web.UI.HtmlControls;
10
11  /**//// <summary>
12 /// Summary description for Number2Text
13/// Number to Currency
14 /// </summary> 15public class Number2Currency
16 {
17 public Number2Currency()
18  {
19
20 }
21 private int Fra, Hun, Tho, Mil, Bil;//.xx,100;1000;1000,000;1000,000,000
22 private String[] Ones = new String[] { "", "One", "Two", "Three", "Four", "Five", "Six", "Seven", "Eight", "Nine" };
23 private String[] Teens = new String[] { "Ten", "Eleven", "Twelve", "Thirteen", "Fourteen", "Fifteen", "Sixteen", "Seventeen", "Eightteen", "Nineteen" };
24 private String[] Tys = new String[] { "", "", "Twenty", "Thirty", "Forty", "Fifty", "Sixty", "Seventy", "Eighty", "Ninety" };
25
26 /**//// <summary>
27 /// divide every 3 dig. xx,xxx,xxx
28 /// </summary>
29 /// <param name="strn1"></param>
30 private void Divide(string strNumber)
31 {
32 if (strNumber.IndexOf(".") > -1)
33 {
34 string strFra = strNumber.Substring(strNumber.IndexOf(".")+1);//just 2 dig, for cents
35 if (strFra.Length == 1)
36 strFra += "0";
37 else if (strFra.Length >= 2)
38 strFra = strFra.Substring(0, 2);
39 else
40 strFra = "0";
41 Fra= Int32.Parse(strFra);
42 strNumber= strNumber.Substring(0,strNumber.IndexOf("."));//get left
43 }
44 int len = strNumber.Length;
45 switch (len)
46 {
47 case 1:
48 goto case 3;
49 case 2:
50 goto case 3;
51 case 3:
52 Hun = Int32.Parse(strNumber);
53 break;
54 case 4:
55 goto case 6;
56 case 5:
57 goto case 6;
58 case 6:
59 Hun = Int32.Parse(strNumber.Substring(len - 3, 3));
60 Tho = Int32.Parse(strNumber.Substring(0, len - 3));
61 break;
62 case 7:
63 goto case 9;
64 case 8:
65 goto case 9;
66 case 9:
67 Hun = Int32.Parse(strNumber.Substring(len - 3, 3));
68 Tho = Int32.Parse(strNumber.Substring(len - 6, 3));
69 Mil = Int32.Parse(strNumber.Substring(0, len - 6));
70 break;
71 case 10:
72 goto case 12;
73 case 11:
74 goto case 12;
75 case 12:
76 Hun = Int32.Parse(strNumber.Substring(len - 3, 3));
77 Tho = Int32.Parse(strNumber.Substring(len - 6, 3));
78 Mil = Int32.Parse(strNumber.Substring(len - 9, 3));
79 Bil = Int32.Parse(strNumber.Substring(0, len - 9));
80 break;
81 }
82 }
83
84
85
86 /**//// <summary>
87 /// number less than 1000
88 /// </summary>
89 /// <param name="number"></param>
90 /// <returns></returns>
91 private string SplitDigits(int number)
92 {
93 string strH = "", strT = "";
94
95 int hun1 = 0, ten1 = 0, one1 = 0;//set 0 hur 0 tens and 0
96
97 hun1 = number / 100;//get how much hundreds *******
98 ten1 = (number % 100) / 10;//
99 one1 = (number % 100) % 10;
100
101 if (hun1 > 0)//[1-9][00-99]
102 {
103 strH = Ones[hun1] + " Hundred ";
104 }
105 else if (hun1 == 0)//<100
106 {
107 strH = Ones[hun1];//not a hundred, then use " ".Ones[0]=" "
108 }
109 if (ten1 > 1)//[2-9][0-9]
110 {
111 strT = Tys[ten1] + " " + Ones[one1];
112 }
113 else if (ten1 == 1)//11,12 no need one1s
114 {
115 strT = Teens[one1];//***** use number
116 }
117 else //ten1=0
118 {
119 strT = Ones[one1];
120 }
121 return strH + strT;
122
123 }
124 public string NumberToCurrency(double currency)
125 {
126 Divide(currency.ToString());//divide first
127
128 string strHun = "", strTho = "", strMil = "", strBil = "", strFra = "";
129 if (Fra >0)
130 {
131 strFra = " " + SplitDigits(Fra)+" Cents";
132 }
133 if(Hun>0)
134 {
135 strHun = SplitDigits(Hun) + " Dollars";
136 }
137 if (Tho > 0)
138 {
139 strTho = SplitDigits(Tho) + " Thousand and ";
140 }
141 if (Mil > 0)
142 {
143 strMil = SplitDigits(Mil) + " Million and ";
144 }
145 if (Bil > 0)
146 {
147 strBil = SplitDigits(Bil) + " Billion and ";
148 }
149
150 return (strBil + strMil + strTho + strHun + strFra);
151
152 }
153}
Feedback
@木
sorry, i do not have now
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