实现阿拉伯数字大写中文的转换

/// <summary>

/// 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

/// </summary>

public class ChineseNum

{

public static string GetChineseNum(string p_num)

{

ChineseNum cn = new ChineseNum();

return cn.NumToChn(p_num);

}

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(ret.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;

}

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.Substring(mstrSource.Length - 1, 1) != "角")

{

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;

}

}