rmb_upper.py
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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')