python小写转大写金额

摘自:http://shine-it.net/index.php?topic=14575.0
def _rmb_upper(self, value):

        """

        人民币大写

        来自：http://topic.csdn.net/u/20091129/20/b778a93d-9f8f-4829-9297-d05b08a23f80.html

        传入浮点类型的值返回 unicode 字符串

        """

        map  = [u"零",u"壹",u"贰",u"叁",u"肆",u"伍",u"陆",u"柒",u"捌",u"玖"]

        unit = [u"分",u"角",u"元",u"拾",u"百",u"千",u"万",u"拾",u"百",u"千",u"亿",

                u"拾",u"百",u"千",u"万",u"拾",u"百",u"千",u"兆"]

        nums = []   #取出每一位数字，整数用字符方式转换避大数出现误差

        for i in range(len(unit)-3, -3, -1):

            if value >= 10**i or i < 1:

                nums.append(int(round(value/(10**i),2))%10)

        words = []

        zflag = 0   #标记连续0次数，以删除万字，或适时插入零字

        start = len(nums)-3

        for i in range(start, -3, -1):   #使i对应实际位数，负数为角分

            if 0 != nums[start-i] or len(words) == 0:

                if zflag:

                    words.append(map[0])

                    zflag = 0

                words.append(map[nums[start-i]])

                words.append(unit[i+2])

            elif 0 == i or (0 == i%4 and zflag < 3): #控制‘万/元’

                words.append(unit[i+2])

                zflag = 0

            else:

                zflag += 1

        if words[-1] != unit[0]:    #结尾非‘分’补整字

            words.append(u"整")

        return ''.join(words)