Javascript功能將印度貨幣數字轉換爲支持拼寫的字詞

Question

有沒有比這更快的解決方案？

在谷歌上搜索，並與其他的代碼打花了一些時間，我做了一個快速解決方案和可重複使用的功能，很適合人數達到99,99,99,999。

number2text(1234.56);將返回ONE THOUSAND TWO HUNDRED AND THIRTY-FOUR RUPEE AND FIFTY-SIX PAISE ONLY。

function number2text(value) { 
    var fraction = Math.round(frac(value)*100); 
    var f_text = ""; 

    if(fraction > 0) { 
     f_text = "AND "+convert_number(fraction)+" PAISE"; 
    } 

    return convert_number(value)+" RUPEE "+f_text+" ONLY"; 
} 

function frac(f) { 
    return f % 1; 
} 

function convert_number(number) 
{ 
    if ((number < 0) || (number > 999999999)) 
    { 
     return "NUMBER OUT OF RANGE!"; 
    } 
    var Gn = Math.floor(number/10000000); /* Crore */ 
    number -= Gn * 10000000; 
    var kn = Math.floor(number/100000);  /* lakhs */ 
    number -= kn * 100000; 
    var Hn = Math.floor(number/1000);  /* thousand */ 
    number -= Hn * 1000; 
    var Dn = Math.floor(number/100);  /* Tens (deca) */ 
    number = number % 100;    /* Ones */ 
    var tn= Math.floor(number/10); 
    var one=Math.floor(number % 10); 
    var res = ""; 

    if (Gn>0) 
    { 
     res += (convert_number(Gn) + " CRORE"); 
    } 
    if (kn>0) 
    { 
      res += (((res=="") ? "" : " ") + 
      convert_number(kn) + " LAKH"); 
    } 
    if (Hn>0) 
    { 
     res += (((res=="") ? "" : " ") + 
      convert_number(Hn) + " THOUSAND"); 
    } 

    if (Dn) 
    { 
     res += (((res=="") ? "" : " ") + 
      convert_number(Dn) + " HUNDRED"); 
    } 


    var ones = Array("", "ONE", "TWO", "THREE", "FOUR", "FIVE", "SIX","SEVEN", "EIGHT", "NINE", "TEN", "ELEVEN", "TWELVE", "THIRTEEN","FOURTEEN", "FIFTEEN", "SIXTEEN", "SEVENTEEN", "EIGHTEEN","NINETEEN"); 
var tens = Array("", "", "TWENTY", "THIRTY", "FOURTY", "FIFTY", "SIXTY","SEVENTY", "EIGHTY", "NINETY"); 

    if (tn>0 || one>0) 
    { 
     if (!(res=="")) 
     { 
      res += " AND "; 
     } 
     if (tn < 2) 
     { 
      res += ones[tn * 10 + one]; 
     } 
     else 
     { 

      res += tens[tn]; 
      if (one>0) 
      { 
       res += ("-" + ones[one]); 
      } 
     } 
    } 

    if (res=="") 
    { 
     res = "zero"; 
    } 
    return res; 
} 

Answer 1

function convertNumberToWords(amount) { 
    var words = new Array(); 
    words[0] = ''; 
    words[1] = 'One'; 
    words[2] = 'Two'; 
    words[3] = 'Three'; 
    words[4] = 'Four'; 
    words[5] = 'Five'; 
    words[6] = 'Six'; 
    words[7] = 'Seven'; 
    words[8] = 'Eight'; 
    words[9] = 'Nine'; 
    words[10] = 'Ten'; 
    words[11] = 'Eleven'; 
    words[12] = 'Twelve'; 
    words[13] = 'Thirteen'; 
    words[14] = 'Fourteen'; 
    words[15] = 'Fifteen'; 
    words[16] = 'Sixteen'; 
    words[17] = 'Seventeen'; 
    words[18] = 'Eighteen'; 
    words[19] = 'Nineteen'; 
    words[20] = 'Twenty'; 
    words[30] = 'Thirty'; 
    words[40] = 'Forty'; 
    words[50] = 'Fifty'; 
    words[60] = 'Sixty'; 
    words[70] = 'Seventy'; 
    words[80] = 'Eighty'; 
    words[90] = 'Ninety'; 
    amount = amount.toString(); 
    var atemp = amount.split("."); 
    var number = atemp[0].split(",").join(""); 
    var n_length = number.length; 
    var words_string = ""; 
    if (n_length <= 9) { 
     var n_array = new Array(0, 0, 0, 0, 0, 0, 0, 0, 0); 
     var received_n_array = new Array(); 
     for (var i = 0; i < n_length; i++) { 
      received_n_array[i] = number.substr(i, 1); 
     } 
     for (var i = 9 - n_length, j = 0; i < 9; i++, j++) { 
      n_array[i] = received_n_array[j]; 
     } 
     for (var i = 0, j = 1; i < 9; i++, j++) { 
      if (i == 0 || i == 2 || i == 4 || i == 7) { 
       if (n_array[i] == 1) { 
        n_array[j] = 10 + parseInt(n_array[j]); 
        n_array[i] = 0; 
       } 
      } 
     } 
     value = ""; 
     for (var i = 0; i < 9; i++) { 
      if (i == 0 || i == 2 || i == 4 || i == 7) { 
       value = n_array[i] * 10; 
      } else { 
       value = n_array[i]; 
      } 
      if (value != 0) { 
       words_string += words[value] + " "; 
      } 
      if ((i == 1 && value != 0) || (i == 0 && value != 0 && n_array[i + 1] == 0)) { 
       words_string += "Crores "; 
      } 
      if ((i == 3 && value != 0) || (i == 2 && value != 0 && n_array[i + 1] == 0)) { 
       words_string += "Lakhs "; 
      } 
      if ((i == 5 && value != 0) || (i == 4 && value != 0 && n_array[i + 1] == 0)) { 
       words_string += "Thousand "; 
      } 
      if (i == 6 && value != 0 && (n_array[i + 1] != 0 && n_array[i + 2] != 0)) { 
       words_string += "Hundred and "; 
      } else if (i == 6 && value != 0) { 
       words_string += "Hundred "; 
      } 
     } 
     words_string = words_string.split(" ").join(" "); 
    } 
    return words_string; 
}