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.NET下金额大小写转换

关键词:大小写金额转换.NET  阅读(534) 赞(12)

[摘要]本文是对.NET下金额大小写转换的讲解,对学习ASP.NET编程技术有所帮助,与大家分享。

说明:金额转换可以转换50位的数值,单位从分到级。对于中间部分是否显示零,
可以根据修改TranslateJInen()函数修改。
中间数值为零的去掉不显示
public string GetChCapitalNumber(string canshu)

中间数值为零的显示
public string GetChCapitalNumberFill(string canshu)



using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Text.RegularExpressions;
namespace Jinen_Translate
{
public partial class Form1 : Form
{
public Form1()
{
InitializeComponent();
}

//判断粘贴而来的数据是否满足条件,只能为数字和小数点
public static bool IsNumeric(string value)
{
return Regex.IsMatch(value, @"^[+-]?\d*[.]?\d*$");
}

//计算小数点之后一共有几位数字 2 结果为0 3.258 结果为3
//超出十位的小数点记录为10位
public int Fun_getLengthPoint(string inputText)
{
int PointLength = 0;
int count = inputText.Length;
//记录输入字符串的长度
int jilu = 0;
/*记录小数点所在的位置
当出现小数点时,停止循环*/
for (int i = 0; i < count; i++)
{
jilu++;
if (inputText[i] == '.')
break;
}


if (jilu == count)
{
PointLength = 0;
return PointLength;
}

//记录输入字符串的长度
else
{
int dian_point = inputText.IndexOf(".");
//采集小数点以后的字符串。 int dian = input.IndexOf(".");记录小数点所在的位置
string base_last = inputText.Substring(dian_point + 1, count - jilu);
//记录小数点之后数的位数
PointLength = base_last.Length;
//返回小数点一共有几位数字
return PointLength;
}
}


//Dupliacte() 创建重复字符串
public string Duplicate(string mstr, int ncnt)
{
// 使用 StringBuilder 加速字符串重复创建的速度
StringBuilder dstr = new StringBuilder();
int icnt = 0;

for (icnt = 0; icnt < ncnt; icnt++)
{
dstr.Append(mstr);
}

return dstr.ToString();
}

//截取字符串
public string Left(string mdata, int leng)
{
mdata = mdata.Trim();
if (mdata.Length < leng)
leng = mdata.Length;

return mdata.Trim().Substring(0, leng);
}

//取得所有的字符串
public String Fun_getText(string inputText)
{
//记录输入字符串的长度
int jilu = 0;
int count = inputText.Length;
/*记录小数点所在的位置
当出现小数点时,停止循环*/
for (int i = 0; i < count; i++)
{
jilu++;
if (inputText[i] == '.')
break;
}

if (jilu == count)
{
string number1 = inputText;
return number1;
}
else
{
//采集小数点以前的字符串
string base_hade = inputText.Substring(0, jilu - 1);
int dian_point = inputText.IndexOf(".");
//采集小数点以后的字符串。 int dian = input.IndexOf(".");记录小数点所在的位置
string base_last = inputText.Substring(dian_point + 1, count - jilu);
//形成新的字符串,去掉了小数点
string number1 = base_hade + base_last;
return number1;
}
}

// #region GetFourChNumber() 取得每四位数的中文位数字 (万、亿、兆...)
public string GetFourChNumber(int iDigit)
{
string sDigit = "";

// 限于整数态的上限,‘京’之后的中文数字是用不到
switch (iDigit)
{
case 0:
sDigit = "";
break;
case 1:
sDigit = "万";
break;
case 2:
sDigit = "亿";
break;
case 3:
sDigit = "兆";
break;
case 4:
sDigit = "京";
break;
case 5:
sDigit = "垓";
break;
case 6:
sDigit = "秭";
break;
case 7:
sDigit = "穰";
break;
case 8:
sDigit = "沟";
break;
case 9:
sDigit = "涧";
break;
case 10:
sDigit = "正";
break;
case 11:
sDigit = "载";
break;
case 12:
sDigit = "极";
break;
default:
sDigit = "∞";
break;
}

return sDigit;
}

//获得数据的一个一个变为大写数字
public string ChCapitalNumber(string NStr)
{
NStr = Left(NStr, 1);

switch (NStr)
{
case "0":
NStr = "零";
break;

case "1":
NStr = "壹";
break;

case "2":
NStr = "贰";
break;

case "3":
NStr = "参";
break;

case "4":
NStr = "肆";
break;

case "5":
NStr = "伍";
break;

case "6":
NStr = "陆";
break;

case "7":
NStr = "柒";
break;

case "8":
NStr = "捌";
break;

case "9":
NStr = "玖";
break;

default:
NStr = "?";
break;
}
return NStr;
}

//省略零的结果转换
public string GetChCapitalNumber(string NumStr)
{
string ChStr = "", ChSubStr = "", tmpStr = "";
int iCnt = 0, jCnt = 0, kCnt = 0, lCnt = -1, nCnt = 0;
nCnt = NumStr.Length;

// 中文数字以四位数为一个处理单位(万、亿、兆、京....)
iCnt = nCnt % 4;
NumStr = Duplicate("0", 4 - iCnt) + NumStr;
nCnt = NumStr.Length;

for (iCnt = 0; iCnt < nCnt; iCnt += 4)
{
lCnt++;
ChSubStr = "";

for (jCnt = 0; jCnt < 4; jCnt++)
{
kCnt = nCnt - iCnt - jCnt - 1;
tmpStr = ChCapitalNumber(NumStr.Substring(kCnt, 1));

if (tmpStr == "零")
{
if (Left(ChSubStr, 1) != "零" && Left(ChSubStr, 1) != "")
ChSubStr = tmpStr + ChSubStr;
}
else
{
switch (jCnt)
{
case 0:
ChSubStr = tmpStr;
break;
case 1:
ChSubStr = tmpStr + "拾" + ChSubStr;
break;
case 2:
ChSubStr = tmpStr + "佰" + ChSubStr;
break;
case 3:
ChSubStr = tmpStr + "仟" + ChSubStr;
break;
default:
ChSubStr = tmpStr + ChSubStr;
break;
}
}
}

if (ChSubStr == "零" && Left(ChStr, 1) != "" && Left(ChStr, 1) != "零")
ChStr = "零" + ChStr;
else
{
if (ChSubStr != "")
{
// 取得10000的次方中文数字
// 限于整数态的上限,‘京’之后的中文数字是用不到
ChStr = ChSubStr + GetFourChNumber(lCnt) + ChStr;
}
}
}

if (ChStr == "")
ChStr = "零";
else if (Left(ChStr, 1) == "零")
ChStr = ChStr.Substring(1, ChStr.Length - 1);

return ChStr;
}

//包括零的结果运算
public string GetChCapitalNumberFill(string NumStr)
{
string ChStr = "", ChSubStr = "", tmpStr = "";
int iCnt = 0, jCnt = 0, kCnt = 0, lCnt = -1, nCnt = 0;
nCnt = NumStr.Length;

// 中文数字以四位数为一个处理单位(万、亿、兆、京....)
iCnt = nCnt % 4;
NumStr = Duplicate("0", 4 - iCnt) + NumStr;
nCnt = NumStr.Length;

for (iCnt = 0; iCnt < nCnt; iCnt += 4)
{
lCnt++;
ChSubStr = "";

for (jCnt = 0; jCnt < 4; jCnt++)
{
kCnt = nCnt - iCnt - jCnt - 1;
tmpStr = ChCapitalNumber(NumStr.Substring(kCnt, 1));

switch (jCnt)
{
case 0:
ChSubStr = tmpStr;
break;
case 1:
ChSubStr = tmpStr + "拾" + ChSubStr;
break;
case 2:
ChSubStr = tmpStr + "佰" + ChSubStr;
break;
case 3:
ChSubStr = tmpStr + "仟" + ChSubStr;
break;
default:
ChSubStr = tmpStr + ChSubStr;
break;
}
}

if (ChSubStr != "")
{
// 取得10000的次方中文数字
// 限于整数态的上限,‘京’之后的中文数字是用不到
ChStr = ChSubStr + GetFourChNumber(lCnt) + ChStr;
}
}

while (Left(ChStr, 1) == "零" && ChStr.Length > 1)
{
if (Left(ChStr, 1) == "零")
ChStr = ChStr.Substring(2, ChStr.Length - 2);
}

return ChStr;
}
// 金额转换
public String TranslateJinen(string canshu)
{
string result;
if (!IsNumeric(canshu))
{
result = "Error!";
return result;
}
else
{
if (canshu.Length > 50)
{
result = "数值太大,转换失败!";
return result;
}
else
{
int t = Fun_getLengthPoint(canshu); //t为传人参数的小数点后面的位数 如2.56 t=2
if (t == 0)
{
string jin = Fun_getText(canshu);
jin = GetChCapitalNumberFill(canshu);
string Tran_jin = jin + "元零角零分";
return Tran_jin;
}
else
{
string jin = Fun_getText(canshu) + "00"; //以防只输入一位小数,人为地在后面加两个0
string jin_head = jin.Substring(0, jin.Length - 2 - t); //截取小数点以后的两位数值
string jin_last_f = jin.Substring(jin_head.Length, 1); //截取小数点之后的第一位数值 如45.235 结果为2
string jin_last_l = jin.Substring(jin_head.Length + 1, 1); //截取小数点之后的第二位数值 如45.235 结果为3
jin_head = GetChCapitalNumberFill(jin_head);
jin_last_f = ChCapitalNumber(jin_last_f);
jin_last_l = ChCapitalNumber(jin_last_l);
string Tran_jin = jin_head + "元" + jin_last_f + "角" + jin_last_l + "分";
return Tran_jin;
}
}
}

}

private void Action_Click(object sender, EventArgs e)
{
DaXieJinen.Text = TranslateJinen(Jinen.Text);
}
}



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