小写转 大写

//转换大写
private string Change(double Digital)
{
//将小写金额转换成大写金额
String[] MyScale = { "分", "角", "元", "拾", "佰", "仟", "万", "拾", "佰", "仟", "亿", "拾", "佰", "仟", "兆", "拾", "佰", "仟" };
String[] MyBase = { "零", "壹", "贰", "叁", "肆", "伍", "陆", "柒", "捌", "玖" };
String moneyStr = "";
bool isPoint = false;
string moneyDigital = Digital.ToString();
int leng = 0;//金额长度
string str = string.Empty;//小数点后字符长度
if (moneyDigital.IndexOf(".") != -1)
{
str = moneyDigital.Substring(moneyDigital.IndexOf(".") + 1);
moneyDigital = moneyDigital.Remove(moneyDigital.IndexOf("."), 1);
isPoint = true;

if (str.Length == 1)
{
leng = moneyDigital.Length + 1;
}
else
{
leng = moneyDigital.Length;
}
}
else
{
leng = moneyDigital.Length;
}
for (int i = leng; i > 0; i--)
{
if (str.Length == 1 && i == 1)
{
break;
}
int MyData = Convert.ToInt16(moneyDigital[leng - i].ToString());
moneyStr += MyBase[MyData];
if (isPoint == true)
{
moneyStr += MyScale[i - 1];
}
else
{
moneyStr += MyScale[i + 1];
}
}
while (moneyStr.Contains("零零"))
moneyStr = moneyStr.Replace("零零", "零");
moneyStr = moneyStr.Replace("零亿", "亿");
moneyStr = moneyStr.Replace("亿万", "亿");
moneyStr = moneyStr.Replace("零万", "万");
moneyStr = moneyStr.Replace("零仟", "零");
moneyStr = moneyStr.Replace("零佰", "零");
moneyStr = moneyStr.Replace("零拾", "零");
while (moneyStr.Contains("零零"))
moneyStr = moneyStr.Replace("零零", "零");
moneyStr = moneyStr.Replace("零角", "");
moneyStr = moneyStr.Replace("零分", "");
if (moneyStr.Contains("角") || moneyStr.Contains("分"))//有角或者分的情况
{
if (moneyStr.Contains("拾") || moneyStr.Contains("佰") || moneyStr.Contains("仟") || moneyStr.Contains("万") || moneyStr.Contains("亿") || moneyStr.Contains("兆"))//整数位有数据的情况
{
moneyStr = moneyStr.Replace("零圆", "圆");
}
else//整数位没有数据的情况
{
moneyStr = moneyStr.Replace("零圆", "");
}
}
else//没有角分，零圆替换成圆
{
moneyStr = moneyStr.Replace("零圆", "圆");
}
moneyStr = moneyStr + "整";
return moneyStr;
}