แปลงตัวเลขเป็นตัวหนังสือ Java - Convert Number Thai Java

 public static String ThaiBaht(String txt) {
  String bahtTxt, n, bahtTH = "";
  Double amount;
  try {
   amount = Double.parseDouble(txt);
  } catch (Exception ex) {
   amount = 0.00;
  }

  try {
   DecimalFormat df = new DecimalFormat("####.00");
   bahtTxt = df.format(amount);
   String[] num = { "ศูนย์", "หนึ่ง", "สอง", "สาม", "สี่", "ห้า",
     "หก", "เจ็ด", "แปด", "เก้า", "สิบ" };
   String[] rank = { "", "สิบ", "ร้อย", "พัน", "หมื่น", "แสน", "ล้าน" };
   String[] temp = bahtTxt.split("[.]");
   String intVal = temp[0];
   String decVal = temp[1];
   if (Double.parseDouble(bahtTxt) == 0)
    bahtTH = "ศูนย์บาทถ้วน";
   else {
    for (int i = 0; i < intVal.length(); i++) {
     n = intVal.substring(i, i + 1);
     if (n != "0") {
      if ((i == (intVal.length() - 1)) && (n == "1"))
       bahtTH += "เอ็ด";
      else if ((i == (intVal.length() - 2)) && (n == "2"))
       bahtTH += "ยี่";
      else if ((i == (intVal.length() - 2)) && (n == "1"))
       bahtTH += "";
      else
       bahtTH += num[Integer.parseInt(n)];
      bahtTH += rank[(intVal.length() - i) - 1];
     }
    }
    bahtTH += "บาท";
    if (decVal == "00")
     bahtTH += "ถ้วน";
    else {
     for (int i = 0; i < decVal.length(); i++) {
      n = decVal.substring(i, i + 1);
      if (n != "0") {
       if ((i == decVal.length() - 1) && (n == "1"))
        bahtTH += "เอ็ด";
       else if ((i == (decVal.length() - 2)) && (n == "2"))
        bahtTH += "ยี่";
       else if ((i == (decVal.length() - 2)) && (n == "1"))
        bahtTH += "";
       else
        bahtTH += num[Integer.parseInt(n)];
       bahtTH += rank[(decVal.length() - i) - 1];
      }
     }
     bahtTH += "สตางค์";
    }
   }
  
  } catch (Exception exe) {

   System.out.print(exe.getMessage());
  }
  return bahtTH;

 }

มาดูส่วนวิธีเรียกใช้งานบ้าง

public class Test {

 public static void main(String[] args) {

  String txt = "123.456";
  String Bath = ThaiBaht(txt);
  
  System.out.println(Bath);
 }
}

*** ผมไม่ได้คิดเองน่ะครับ copy มาจาก thaicreate แต่ของเก่าเขียนไว้ด้วย (C#) ผมเลยเอาปรับใช้ ใน JAVA นิดหนึ่ง http://www.thaicreate.com/community/c-asp-net-convert-money-number-to-thai-text.html