C#实现阿拉伯数字到大写中文的转换

///
/// 本类实现阿拉伯数字到大写中文的转换
/// 该类没有对非法数字进行判别,请事先自己判断数字是否合法
///
public class ChineseNum
{
//小写转大写
public static string GetChineseNum(string p_num)
{
ChineseNum cn = new ChineseNum();
return cn.NumToChn(p_num);
}
//小写金额转大写金额
public static string GetUpperMoney(double p_Money)
{
ChineseNum cn = new ChineseNum();
return cn.GetMoneyChinese(p_Money);
}
//转换数字
private char CharToNum(char x)
{
string stringChnNames = "零一二三四五六七八九";
string stringNumNames = "0123456789";
return stringChnNames[stringNumNames.IndexOf(x)];
}
//转换万以下整数
private string WanStrToInt(string x)
{
string[] stringArrayLevelNames = new string[4] { "", "十", "百", "千" };
string ret = "";
int i;
for (i = x.Length - 1; i >= 0; i--)
if (x[i] == '0')
{
ret = CharToNum(x[i]) + ret;
}
else
{
ret = CharToNum(x[i]) + stringArrayLevelNames[x.Length - 1 - i] + ret;
}
while ((i = ret.IndexOf("零零")) != -1)
{
ret = ret.Remove(i, 1);
}
if (ret[ret.Length - 1] == '零' && ret.Length > 1)
{
ret = ret.Remove(ret.Length - 1, 1);
}
if (ret.Length >= 2 && ret.Substring(0, 2) == "一十")
{
ret = ret.Remove(0, 1);
}
return ret;
}
//转换整数
private string StrToInt(string x)
{
int len = x.Length;
string ret, temp;
if (len <= 4)
{
ret = WanStrToInt(x);
}
else if (len <= 8)
{
ret = WanStrToInt(x.Substring(0, len - 4)) + "万";
temp = WanStrToInt(x.Substring(len - 4, 4));
if (temp.IndexOf("千") == -1 && temp != "")
ret += "零" + temp;
else
ret += temp;
}
else
{
ret = WanStrToInt(x.Substring(0, len - 8)) + "亿";
temp = WanStrToInt(x.Substring(len - 8, 4));
if (temp.IndexOf("千") == -1 && temp != "")
{
ret += "零" + temp;
}
else
{
ret += temp;
}
ret += "万";
temp = WanStrToInt(x.Substring(len - 4, 4));
if (temp.IndexOf("千") == -1 && temp != "")
{
ret += "零" + temp;
}
else
{
ret += temp;
}
}
int i;
if ((i = ret.IndexOf("零万")) != -1)
{
ret = ret.Remove(i + 1, 1);
}
while ((i = ret.IndexOf("零零")) != -1)
{
ret = ret.Remove(i, 1);
}
if (ret[ret.Length - 1] == '零' && ret.Length > 1)
{
ret = ret.Remove(re

t.Length - 1, 1);
}
return ret;
}
//转换小数
private string StrToDouble(string x)
{
string ret = "";
for (int i = 0; i < x.Length; i++)
{
ret += CharToNum(x[i]);
}
return ret;
}
private string NumToChn(string x)
{
if (x.Length == 0)
{
return "";
}
string ret = "";
if (x[0] == '-')
{
ret = "负";
x = x.Remove(0, 1);
}
if (x[0].ToString() == ".")
{
x = "0" + x;
}
if (x[x.Length - 1].ToString() == ".")
{
x = x.Remove(x.Length - 1, 1);
}
if (x.IndexOf(".") > -1)
{
ret += StrToInt(x.Substring(0, x.IndexOf("."))) + "点" + StrToDouble(x.Substring(x.IndexOf(".") + 1));
}
else
{
ret += StrToInt(x);
}
return ret;
}
//金额转换
private string GetMoneyChinese(Double Money)
{
int i;
string mstrSource;
if (Money == 0)
{
return "";
}
mstrSource = Money.ToString("#0.00");
i = mstrSource.IndexOf(".");
if (i > 0) { mstrSource = mstrSource.Replace(".", ""); }
if (mstrSource.Substring(0, 1) == "0") { mstrSource = mstrSource.Remove(0, 1); }
mstrSource = NumstrToChinese(mstrSource);
if (mstrSource.Length == 0) { return ""; }
//负
if (Money < 0)
{
mstrSource = "负" + mstrSource;
}
mstrSource = mstrSource.Replace("0", "零");
mstrSource = mstrSource.Replace("1", "壹");
mstrSource = mstrSource.Replace("2", "贰");
mstrSource = mstrSource.Replace("3", "叁");
mstrSource = mstrSource.Replace("4", "肆");
mstrSource = mstrSource.Replace("5", "伍");
mstrSource = mstrSource.Replace("6", "陆");
mstrSource = mstrSource.Replace("7", "柒");
mstrSource = mstrSource.Replace("8", "捌");
mstrSource = mstrSource.Replace("9", "玖");
mstrSource = mstrSource.Replace("M", "亿");
mstrSource = mstrSource.Replace("W", "万");
mstrSource = mstrSource.Replace("S", "仟");
mstrSource = mstrSource.Replace("H", "佰");
mstrSource = mstrSource.Replace("T", "拾");
mstrSource = mstrSource.Replace("Y", "圆");
mstrSource = mstrSource.Replace("J", "角");
mstrSource = mstrSource.Replace("F", "分");
if (mstrSource.Substring(mstrSource.Length - 1, 1) != "分")
{
mstrSource = mstrSource + "整";
}
return mstrSource;
}
//金额转换
private string NumstrToChinese(string numstr)
{
int i;
int j;
string mstrChar;
string[] mstrFlag = new string[4];
string mstrReturn = "";
bool mblnAddzero = false;
mstrFlag[0] = "";
mstrFlag[1]

= "T";
mstrFlag[2] = "H";
mstrFlag[3] = "S";
for (i = 1; i <= numstr.Length; i++)
{
j = numstr.Length - i;
mstrChar = numstr.Substring(i - 1, 1);
if (mstrChar != "0" && j > 1) { mstrReturn = mstrReturn + mstrChar + mstrFlag[(j - 2) % 4]; }
if (mstrChar == "0" && mblnAddzero == false)
{
mstrReturn = mstrReturn + "0";
mblnAddzero = true;
}
if (j == 14)
{
if (mstrReturn.Substring(mstrReturn.Length - 1) == "0")
{ mstrReturn = mstrReturn.Substring(0, mstrReturn.Length - 1) + "W0"; }
else
{ mstrReturn = mstrReturn + "W"; }
}
if (j == 2)
{
if (mstrReturn.Substring(mstrReturn.Length - 1, 1) == "0")
{ mstrReturn = mstrReturn.Substring(0, mstrReturn.Length - 1) + "Y0"; }
else
{ mstrReturn = mstrReturn + "Y"; }
//元
}
if (j == 6)
{
if (mstrReturn.Length > 2)
{
if (mstrReturn.Substring(mstrReturn.Length - 2) != "M0")
{
if (mstrReturn.Substring(mstrReturn.Length - 1) == "0")
{ mstrReturn = mstrReturn.Substring(0, mstrReturn.Length - 1) + "W0"; }
else
{ mstrReturn = mstrReturn + "W"; }
}
}
else
{
if (mstrReturn.Substring(mstrReturn.Length - 1) == "0")
{ mstrReturn = mstrReturn.Substring(0, mstrReturn.Length - 1) + "W0"; }
else
{ mstrReturn = mstrReturn + "W"; }
}
}
if (j == 10)
{
if (mstrReturn.Substring(mstrReturn.Length - 1) == "0")
{ mstrReturn = mstrReturn.Substring(0, mstrReturn.Length - 1) + "M0"; }
else
{ mstrReturn = mstrReturn + "M"; }
}
if (j == 0 && mstrChar != "0") { mstrReturn = mstrReturn + mstrChar + "F"; }
if (j == 1 && mstrChar != "0") { mstrReturn = mstrReturn + mstrChar + "J"; }
if (mstrChar != "0") { mblnAddzero = false; }
}
if (mstrReturn.Substring(0, 1) == "1" && mstrReturn.Substring(1, 1) == mstrFlag[1]) { mstrReturn = mstrReturn.Substring(1); }
if (mstrReturn.Substring(mstrReturn.Length - 1, 1) == "0") { mstrReturn = mstrReturn.Substring(0, mstrReturn.Length - 1); }
if (mstrReturn.Substring(0, 1) == "0") { mstrReturn = mstrReturn.Substring(1); }
if (mstrReturn.Substring(mstrReturn.Length - 1, 1) == "M" || mstrReturn.Substring(mstrReturn.Length - 1, 1) == "W" || mstrReturn.Substring(mstrReturn.Length - 1, 1) == "S" || mstrReturn.Substring(mstrReturn.Length - 1, 1) == "H" || mstrReturn.Substring(mstrReturn.Length - 1, 1) == "T") { mstrReturn = mstrReturn + "Y"; }
return mstrReturn;
}
}