python：金额数字转为人民币大写

爱被打了一巴掌 2024-04-08 09:11 89阅读 0赞

python：金额数字转为人民币大写：

def Num2MoneyFormat(change_number):
        """
        .转换数字为大写货币格式( format_word.__len__() - 3 + 2位小数 )
        change_number 支持 float, int, long, string
        """
        format_word = ["分", "角", "元",
                       "拾", "百", "千", "万",
                       "拾", "百", "千", "亿",
                       "拾", "百", "千", "万",
                       "拾", "百", "千", "兆"]
    
        format_num = ["零", "壹", "贰", "叁", "肆", "伍", "陆", "柒", "捌", "玖"]
        if type(change_number) == str:
            # - 如果是字符串,先尝试转换成float或int.
            if '.' in change_number:
                try:
                    change_number = float(change_number)
                except:
                    raise ValueError('%s   can\'t change' % change_number)
            else:
                try:
                    change_number = int(change_number)
                except:
                    raise ValueError('%s   can\'t change' % change_number)
        if isinstance(change_number, int):
            change_number = float(change_number)
        if type(change_number) == float:
            real_numbers = []
            for i in range(len(format_word) - 3, -3, -1):
                if change_number >= 10 ** i or i < 1:
                    real_numbers.append(int(round(change_number / (10 ** i), 2) % 10))
    
        else:
            raise ValueError('%s   can\'t change' % change_number)
    
        zflag = 0  # 标记连续0次数，以删除万字，或适时插入零字
        start = len(real_numbers) - 3
        change_words = []
        for i in range(start, -3, -1):  # 使i对应实际位数，负数为角分
            if 0 != real_numbers[start - i] or len(change_words) == 0:
                if zflag:
                    change_words.append(format_num[0])
                    zflag = 0
                change_words.append(format_num[real_numbers[start - i]])
                change_words.append(format_word[i + 2])
    
            elif 0 == i or (0 == i % 4 and zflag < 3):  # 控制 万/元
                change_words.append(format_word[i + 2])
                zflag = 0
            else:
                zflag += 1
    
        if change_words[-1] not in (format_word[0], format_word[1]):
            # - 最后两位非"角,分"则补"整"
            change_words.append("整")
    
        return ''.join(change_words)