疯狂Python讲义Unit4:数字转人民币读法

#!/usr/bin/python3
'''
num transfer to RMB
借鉴了讲义中4位的数字字符串转换成中文的函数
优化了小数部分和0的处理，仍旧不够完善
'''
# 分离整数和小数部分
def divide(num):
    intTemp=int(num)
    fractionTemp = round((num-intTemp)*100) # round()函数 用于四舍五入后取整
    return(str(intTemp),str(fractionTemp))

HanziList=["零","壹","贰","叁","肆","伍","陆","柒","捌","玖"]
unitList=["十","百","千"]
# 将四位数字转为大写汉字
def four2Hanzi(intTemp):
    HanziTemp=""
    for i in range(len(intTemp)):
        index=int(intTemp[i])
        # 依次遍历数字字符串的每一位数字，为4位数字设计，兼容1-3位
        if intTemp[i]!="0" and i!=len(intTemp)-1:
            # 如果不是最后一位数字，而且数字不是零，则需要添加单位（千、百、十）
            HanziTemp+=str(HanziList[index])+unitList[len(intTemp)-2-i]
        else:
            HanziTemp+=HanziList[index]
    return HanziTemp
# 将两位小数转为x角x分
unitList2=["分","角"]
def fraction2Hanzi(fractionTemp):
    fractionHanziTemp=""
    if len(fractionTemp)==0:
        return fractionHanziTemp
    elif len(fractionTemp)==1:
        if fractionTemp[0]=="0":
            return fractionHanziTemp
        else:
            return HanziList[int(fractionTemp[0])]+"角"
    elif len(fractionTemp)==2:
        index0=int(fractionTemp[0])
        index1=int(fractionTemp[1])
        if fractionTemp[0]!="0"and fractionTemp[1]!="0":
            return HanziList[index0]+"角"+HanziList[index1]+"分"
        elif fractionTemp[0]=="0" and fractionTemp[1]=="0":
            return fractionHanziTemp
        elif fractionTemp[0]=="0" and fractionTemp[1]!="0":
            return HanziList[index1]+"分"
        elif fractionTemp[0]!="0" and fractionTemp[1]=="0":
            return HanziList[index0] + "角"
        else:
            pass
    return fractionHanziTemp
# 循环比较去重，为重复的0设计
def quchong(strHan):
    strResult = ''
    strResult += strHan[0]
    index = 0
    for i in range(1, len(strHan)):
        if strHan[i] != strHan[index]:
            strResult+=(strHan[i])
        index+=1
    return strResult
# 数字转人民币，对0的处理仍旧不够完善
def num2Rmb():
    num = float(input("请输入一个浮点数(小数点保留2位): "))
    intTemp, fractionTemp = divide(num)
    str_len = len(intTemp)
    if str_len > 12:
        print("数值过大，无法转换")
        return
    # 如果大于8位，包含单位亿
    elif str_len > 8:
        rmbStr = quchong(four2Hanzi(intTemp[0:-8]))+"亿"+quchong(four2Hanzi(intTemp[-8:-4]))+"万"+quchong(four2Hanzi(intTemp[-4:]))+"元"
    elif str_len > 4:
        rmbStr = quchong(four2Hanzi(intTemp[0:-4])) + "万" + quchong(four2Hanzi(intTemp[-4:])) + "元"
    else:
        rmbStr =  quchong(four2Hanzi(intTemp[-4:])) + "元"
    rmbStr += fraction2Hanzi(fractionTemp)
    # 替换一些常用读法
    rmbStr = rmbStr.replace('零元','元')
    rmbStr = rmbStr.replace('零万','万')
    rmbStr = rmbStr.replace('零亿','亿')
    rmbStr = rmbStr.replace('亿万','亿')
    rmbStr = rmbStr.replace('壹十','十')
    return rmbStr


print(num2Rmb())