java货币阿拉伯数字转为汉字

阿拉伯数字转为汉字方法

  public static String[] chineseDigits = { "零", "壹", "贰", "叁", "肆", "伍", "陆", "柒", "捌", "玖" };
  
  public static String amountToChinese(double amount)
  {
    if ((amount > 99999999999999.984D) || (amount < -99999999999999.984D)) {
      throw new IllegalArgumentException("参数值超出允许范围 (-99999999999999.99 ～ 99999999999999.99)！");
    }
    boolean negative = false;
    if (amount < 0.0D)
    {
      negative = true;
      amount *= -1.0D;
    }
    long temp = Math.round(amount * 100.0D);
    int numFen = (int)(temp % 10L);
    temp /= 10L;
    int numJiao = (int)(temp % 10L);
    temp /= 10L;
    

    int[] parts = new int[20];
    int numParts = 0;
    for (int i = 0; temp != 0L; i++)
    {
      int part = (int)(temp % 10000L);
      parts[i] = part;
      numParts++;
      temp /= 10000L;
    }
    boolean beforeWanIsZero = true;
    
    String chineseStr = "";
    for (int i = 0; i < numParts; i++)
    {
      String partChinese = partTranslate(parts[i]);
      if (i % 2 == 0) {
        if ("".equals(partChinese)) {
          beforeWanIsZero = true;
        } else {
          beforeWanIsZero = false;
        }
      }
      if (i != 0) {
        if (i % 2 == 0)
        {
          chineseStr = "亿" + chineseStr;
        }
        else if (("".equals(partChinese)) && (!beforeWanIsZero))
        {
          chineseStr = "零" + chineseStr;
        }
        else
        {
          if ((parts[(i - 1)] < 1000) && (parts[(i - 1)] > 0)) {
            chineseStr = "零" + chineseStr;
          }
          chineseStr = "万" + chineseStr;
        }
      }
      chineseStr = partChinese + chineseStr;
    }
    if ("".equals(chineseStr)) {
      chineseStr = chineseDigits[0];
    } else if (negative) {
      chineseStr = "负" + chineseStr;
    }
    chineseStr = chineseStr + "元";
    if ((numFen == 0) && (numJiao == 0)) {
      chineseStr = chineseStr + "整";
    } else if (numFen == 0) {
      chineseStr = chineseStr + chineseDigits[numJiao] + "角";
    } else if (numJiao == 0) {
      chineseStr = chineseStr + "零" + chineseDigits[numFen] + "分";
    } else {
      chineseStr = chineseStr + chineseDigits[numJiao] + "角" + chineseDigits[numFen] + "分";
    }
    return chineseStr;
  }
  
  private static String partTranslate(int amountPart)
  {
    if ((amountPart < 0) || (amountPart > 10000)) {
      throw new IllegalArgumentException("参数必须是大于等于 0，小于 10000 的整数！");
    }
    String[] units = { "", "拾", "佰", "仟" };
    
    int temp = amountPart;
    
    String amountStr = new Integer(amountPart).toString();
    int amountStrLength = amountStr.length();
    boolean lastIsZero = true;
    String chineseStr = "";
    for (int i = 0; i < amountStrLength; i++)
    {
      if (temp == 0) {
        break;
      }
      int digit = temp % 10;
      if (digit == 0)
      {
        if (!lastIsZero) {
          chineseStr = "零" + chineseStr;
        }
        lastIsZero = true;
      }
      else
      {
        chineseStr = chineseDigits[digit] + units[i] + chineseStr;
        lastIsZero = false;
      }
      temp /= 10;
    }
    return chineseStr;
  }