Python版的数字转汉字程序

CHINESE_DIGITS = '零一二三四五六七八九'
CHINESE_UNITS = ('','十','百','千','万', '亿')
TRANS = str.maketrans('一二三四五六七八九十百千', '壹贰叁肆伍陆柒捌玖拾佰仟')

__all__ = ["digit2Chinesexx", "digit2ChinexeDX"]

def digit2Chinesexx(num):
    """Return the small Chinese Charactors string of a num."""
    num = int(num)
    res = tslt_le16(abs(num))
    if num < 0:
        res = '负' + res
    return res

def digit2ChineseDX(num):
    """Return the big Chinese Charactors string of a num."""
    return digit2Chinesexx(num).translate(TRANS)


def tslt_le4(intnum):
    lststr = list(str(intnum).zfill(4)[::-1])
    units = tuple(CHINESE_UNITS[i] if lststr[i] != '0' else '' for i in range(4))

    for i in range(3):
        if lststr[i+1] == '0' and lststr[i] == '0':
            lststr[i] = ''
    else:
        if lststr[3] == '0':
            lststr[3] = ''

    for i in range(4):
        if lststr[i]:
            lststr[i] = CHINESE_DIGITS[int(lststr[i])]

    result = ''.join(lststr[i] + units[i] for i in range(3, -1, -1))

    result = result[:-3].replace('二', '两') + result[-3:]

    result = result.rstrip('零')

    return result

def tslt_le8(intnum):
    leftint = intnum // 10**4
    rightint = intnum % 10**4

    left = tslt_le4(leftint)
    if left:
        left += '万'

    right = tslt_le4(rightint)
    if leftint and 0 < rightint < 10**3:
        right = '零' + right

    result = left + right

    return result

def tslt_le16(intnum):
    leftint = intnum // 10**8
    rightint = intnum % 10**8

    left = tslt_le8(leftint)
    if left:
        left += '亿'

    right = tslt_le8(rightint)
    if leftint and 0 < rightint < 10**7:
        right = '零' + right

    result = left + right

    if result == '':
        result = '零'

    if result.startswith('一十'):
        result = result[1:]

    return result

for i in (0, 123, 10234, 10034, 1000002, 1000000, 9000000100002300):
    print(i, digit2ChineseDX(i))