C#实现将浮点数表示的货币数量以汉字大写形式输出的方法

/// <summary>/// 将字符型变量转化为大写汉语数字/// </summary>/// <param name="ch">字符 '0'~'9'</param>/// <returns></returns>private static string NumToChr(char ch){ switch (ch) {  case '0': return "零";  case '1': return "壹";  case '2': return "贰";  case '3': return "叁";  case '4': return "肆";  case '5': return "伍";  case '6': return "陆";  case '7': return "柒";  case '8': return "捌";  case '9': return "玖";  default: return ""; }}/// <summary>/// 把数字转换为大写数字/// </summary>/// <param name="n"></param>/// <returns></returns>private static string RMBToChr(double n){ //保留小数点后两位数字 string sMoney = n.ToString("#0.00"); StringBuilder sbResult = new StringBuilder(); for (int i = 0; i < sMoney.Length; i++) {  //遇到小数点，则后面 A.XX 写为 A圆X角X分  if (sMoney[i] == '.')  {   sbResult.Append("圆");   //角和分属性都为0时直接写整字   if (sMoney[i + 1] == '0' && sMoney[i + 2] == '0')   {    sbResult.Append("整");    break;   }   else   {    //角和分属性只有在对应位不为0时才写    if (sMoney[i + 1] != '0')    {     sbResult.Append(NumToChr(sMoney[i + 1]) + "角");    }    if (sMoney[i + 2] != '0')    {     sbResult.Append(NumToChr(sMoney[i + 2]) + "分");    }    else //分为0时也要写整字    {     sbResult.Append("整");    }    break;   }  }  //非零数字直接输出对应数字和位  if (sMoney[i] != '0')  {   sbResult.Append(NumToChr(sMoney[i]));   //补上相应位的权   int temp = sMoney.Length - 4 - i;   switch (temp)   {    case 0: break;    case 1: sbResult.Append("拾"); break;    case 2: sbResult.Append("佰"); break;    case 3: sbResult.Append("仟"); break;    case 4: sbResult.Append("万"); break;    case 5: sbResult.Append("拾"); break;    case 6: sbResult.Append("佰"); break;    case 7: sbResult.Append("仟"); break;    case 8: sbResult.Append("亿"); break;    case 9: sbResult.Append("拾"); break;    case 10: sbResult.Append("百"); break;    case 11: sbResult.Append("仟"); break;    case 12: sbResult.Append("万"); break;    default: throw new Exception("这个数太大了！");   }  }  else //如果该位数字为0，则万位和亿位要写权，多个连续0就写一个零  {   int temp = sMoney.Length - 4 - i;   if (temp == 4) { sbResult.Append("万"); continue; }   else if (temp == 8) { sbResult.Append("亿"); continue; }   else if (sMoney[i + 1] == '0') { continue; }   else sbResult.Append("零");  } } return sbResult.ToString();}

static void Main(string[] args){ //数字转化为人民币大写 Console.WriteLine(RMBToChr(12345)); Console.WriteLine(RMBToChr(60001.215)); Console.WriteLine(RMBToChr(70010001.8)); Console.WriteLine(RMBToChr(10110901.01)); Console.WriteLine(RMBToChr(0.01)); Console.ReadLine();}