python之購物車程序
阿新 • • 發佈：2018-01-22
編號 密碼 ppi cart 輸出 rate pen elif enumerate 題目: 購物車程序
業需求:
數據結構：
goods = [
{"name": "電腦", "price": 1999},
{"name": "鼠標", "price": 10},
{"name": "遊艇", "price": 20},
{"name": "美女", "price": 998},
......
]
3、用戶選擇商品後，檢測余額是否夠，夠就直接扣款，不夠就提醒
4、可隨時退出，退出時，打印已購買商品和余額
5、在用戶使用過程中， 關鍵輸出，如余額，商品已加入購物車等消息，需高亮顯示
業需求:
數據結構：
goods = [
{"name": "電腦", "price": 1999},
{"name": "鼠標", "price": 10},
{"name": "遊艇", "price": 20},
{"name": "美女", "price": 998},
......
]
功能要求：
基礎要求：
1、啟動程序後，輸入用戶名密碼後，讓用戶輸入工資，然後打印商品列表
3、用戶選擇商品後，檢測余額是否夠，夠就直接扣款，不夠就提醒
4、可隨時退出，退出時，打印已購買商品和余額
5、在用戶使用過程中， 關鍵輸出，如余額，商品已加入購物車等消息，需高亮顯示
擴展需求：
1、用戶下一次登錄後，輸入用戶名密碼，直接回到上次的狀態，即上次消費的余額什麽的還是那些，再次登錄可繼續購買
2、允許查詢之前的消費記錄
基礎功能實現：
goods = [ {"name": "電腦", "price": 1999}, {"name": "鼠標", "price": 10}, {"name": "遊艇", "price": 20}, {"name": "美女", "price": 998}, ] goods.append("退出") name = input("what is your name:") password = input("input your password:") salary = int(input("how much your salary:")) for index,items in enumerate(goods): print(index,items) cart=[] while True: commodity = int(input("input goods what your want to buy:")) if commodity >= len(goods): print("your input number is over goods‘s price") continue elif commodity == int(len(goods) - 1): # salary = salary - goods[commodity]["price"] print("Your balance is \033[1;32m$% s\033[0m!" % salary) print("your have buy some such as \033[1;32m% s\033[0m!" % cart) break else : print(goods[commodity]) if goods[commodity]["price"] <= salary : salary = salary - goods[commodity]["price"] cart.append(goods[commodity]) print("\033[1;32mThe merchandise has been added to the shopping cart\033[0m!.Your balance is \033[1;32m$% s\033[0m!" % salary) else: print("You have \033[1;31m$% s\033[0m!, \033[1;31mYou don‘t have enough balance!!!\033[0m!" % salary)
python之購物車程序