简单购物2

product={}
product["001"]={"Name":"美式面包","Unit":"个","Price":10.00,"Class":"西点类"}
product["002"]={"Name":"法式面包","Unit":"个","Price":15.00,"Class":"西点类"}
product["003"]={"Name":"日式面包","Unit":"个","Price":8.00,"Class":"西点类"}
product["004"]={"Name":"法国啤酒","Unit":"瓶","Price":20.00,"Class":"酒类"}
product["005"]={"Name":"巴西扎啤","Unit":"听","Price":12.00,"Class":"酒类"}
product["006"]={"Name":"江小白","Unit":"瓶","Price":12.00,"Class":"酒类"}
product["007"]={"Name":"国窖100ml","Unit":"瓶","Price":98.00,"Class":"酒类"}
product["008"]={"Name":"江小白","Unit":"瓶","Price":12.00,"Class":"酒类"}
product["009"]={"Name":"美国红苹果","Unit":"Kg","Price":18.00,"Class":"水果类"}
product["010"]={"Name":"日本红富士","Unit":"Kg","Price":12.00,"Class":"水果类"}
product["012"]={"Name":"菲律宾香蕉","Unit":"Kg","Price":9.80,"Class":"水果类"}
product["013"]={"Name":"大白菜","Unit":"Kg","Price":6.00,"Class":"蔬菜类"}
product["014"]={"Name":"黄瓜","Unit":"Kg","Price":5.60,"Class":"蔬菜类"}
product["015"]={"Name":"西蓝花","Unit":"Kg","Price":10.00,"Class":"蔬菜类"}
product["016"]={"Name":"大黄鱼","Unit":"Kg","Price":80.00,"Class":"海鲜类"}
product["017"]={"Name":"黄刺鱼","Unit":"Kg","Price":50.00,"Class":"海鲜类"}
product["018"]={"Name":"带鱼","Unit":"Kg","Price":6.00,"Class":"海鲜类"}

user="zhys"
pwd="123"
vip="1"
name=input("输入用户名")
pws=input("请输入密码")
if name==user and pws==pwd:
    # 搜索商品，选择商品进入购物车
    BuyGoods = {}  # 定义购物车变量，集合作为存放购物车商品的变量
    good_index = input('请输入商品搜索名称("Buy"退出)：')
    while good_index != 'Buy':
        for key1 in product:
            if product[key1]["Name"].find(good_index) != -1:
                tmpclass = product[key1]["Class"]
                print("请选择商品编号：")
                for key2 in product:
                    if product[key2]["Class"].find(tmpclass) != -1:
                        print("商品编号：{0:.3}   {1}    计价单位：{2}  单价：{3:.2f}".format(key2, product[key2]["Name"],
                                                                                 product[key2]["Unit"],
                                                                                 product[key2]["Price"]))
                selected_good, Qty = input('请输入购买商品的3位编码、数量（空格隔开）| "end 0"退出：').split()
                while selected_good != 'end':
                    if len(selected_good) == 3 and product[selected_good] != "":
                        BuyGoods[selected_good] = {"Name": product[selected_good]["Name"],
                                                   "Unit": product[selected_good]["Unit"],
                                                   "Price": product[selected_good]["Price"], "Qty": eval(Qty)}
                    selected_good, Qty = input('请输入购买商品的3位编码、数量（空格隔开）| "end 0"退出：').split()
                break
        good_index = input('请输入商品搜索名称("Buy"退出)：')

    SubTotal = 0.00;
    print("****************结算******************")
    print("你购买的商品、金额如下：")
    for key3 in BuyGoods:
        print("商品编号：{0:.3}   {1}    计价单位：{2}  单价：{3:.2f}   购买数量{4:.2f}".format(key3, BuyGoods[key3]["Name"],
                                                                               BuyGoods[key3]["Unit"],
                                                                               BuyGoods[key3]["Price"],
                                                                               BuyGoods[key3]["Qty"]))
        SubTotal += BuyGoods[key3]["Price"] * BuyGoods[key3]["Qty"]
        print("======合计金额：{:.2f}元".format(SubTotal))
else:
    print("帐户或密码错误！")

转载于:https://www.cnblogs.com/zhuangys/p/10940899.html