from io import StringIO import math _RMB_DIGITS = ['零', '壹', '贰', '叁', '肆', '伍', '陆', '柒', '捌', '玖' ] _SECTION_CHARS = ['', '拾', '佰', '仟', '万' ] def to_rmb_upper(price): price = round(price, 2) integer_part = int(price) wanyi_part = integer_part // 1000000000000 yi_part = integer_part % 1000000000000 // 100000000 wan_part = integer_part % 100000000 // 10000 qian_part = integer_part % 10000 dec_part = int(round(price * 100 % 100)) strio = StringIO() zero_count = 0 #处理万亿以上的部分 if integer_part >= 1000000000000 and wanyi_part > 0: zero_count = _parse_integer(strio, wanyi_part, zero_count, True) strio.write('万') #处理亿到千亿的部分 if integer_part >= 100000000 and yi_part > 0: is_first_section = integer_part >= 100000000 and integer_part < 1000000000000 zero_count = _parse_integer(strio, yi_part, zero_count, is_first_section) strio.write('亿') #处理万的部分 if integer_part >= 10000 and wan_part > 0: is_first_section = integer_part >= 1000 and integer_part < 10000000 zero_count = _parse_integer(strio, wan_part, zero_count, is_first_section) strio.write('万') #处理千及以后的部分 if qian_part > 0: is_first_section = integer_part < 1000 zero_count = _parse_integer(strio, qian_part, zero_count, is_first_section) else: zero_count += 1 if integer_part > 0: strio.write('元') #处理小数 if dec_part > 0: _parse_decimal(strio, integer_part, dec_part, zero_count) elif dec_part == 0 and integer_part > 0: strio.write('整') else: strio.write('零元整') return strio.getvalue() def _parse_integer(strio, value, zero_count = 0, is_first_section = False): assert value > 0 and value <= 9999 ndigits = int(math.floor(math.log10(value))) + 1 if value < 1000 and not is_first_section: zero_count += 1 for i in range(0, ndigits): factor = int(pow(10, ndigits - 1 - i)) digit = int(value / factor) if digit != 0: if zero_count > 0: strio.write('零') strio.write(_RMB_DIGITS[digit]) strio.write(_SECTION_CHARS[ndigits - i - 1]) zero_count = 0 else: zero_count += 1 value -= value // factor * factor return zero_count def _parse_decimal(strio, integer_part, value, zero_count): assert value > 0 and value <= 99 jiao = value // 10 fen = value % 10 if zero_count > 0 and (jiao > 0 or fen > 0) and integer_part > 0: strio.write('零') if jiao > 0: strio.write(_RMB_DIGITS[jiao]) strio.write('角') if zero_count == 0 and jiao == 0 and fen > 0 and integer_part > 0: strio.write('零') if fen > 0: strio.write(_RMB_DIGITS[fen]) strio.write('分') else: strio.write('整')