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这篇文章将为大家详细讲解有关python实现淘宝购物系统的方法，小编觉得挺实用的，因此分享给大家做个参考，希望大家阅读完这篇文章后可以有所收获。
代码如下：
#刚创建账户所拥有的钱
money = 0
#定义商品列表
goods_list = [
{'name':'iphone','price':4500,'count':40},
{'name':'电脑','price':7000,'count':100},
{'name':'平板','price':5000,'count':60},
{'name':'羽绒服','price':500,'count':80},
{'name':'西服','price':1000,'count':90},
{'name':'运动鞋','price':200,'count':120},
{'name':'vivo','price':2000,'count':200},
{'name':'自行车','price':2100,'count':300}]
#创建空的购物车
shoppingCar = []
#创建订单列表
order = []
#注册账户
def register():
print('→'*8,'注册账号','←'*8)
global account
global password
account = input('请输入账号')
password = input('请输入密码')
password1 = input('请确认密码')
while True:
if password == password1:
print('→'*8,'注册成功','←'*8)
log_in()
break
else:
password = input('请重新输入密码')
password1 = input('请确认密码')
#登录
def log_in():
print('~'*10,'登录账号','~'*10)
while True:
user_account = input('请输入您的账号')
user_password = input('请输入您的密码')
if user_account != account:
print('账号有误')
elif user_account == account and user_password != password:
print('密码有误')
else:
print('~'*10,'登录成功','~'*10)
show_menu()
break
#展示商品列表
def show_name():
print('❤'*30)
a = 0
for i in range(0,len(goods_list)):
for key in goods_list[i].keys():
if key == 'name':
a += 1
print(goods_list[i][key], end = '\t')
if a % 4 ==0 :
print('')
print('❤'*30)
#选择操作
def show_menu():
while True:
print('※'*20)
print('请选择您要执行的操作：')
print('1、查询商品')
print('2、查看购物车')
print('3、查看订单')
print('4、其他功能')
print('5、退出系统')
print('※'*20)
choice = int(input())
if choice == 1:
show_name()
search_shopping()
elif choice == 2:
show_shoppingCar()
elif choice == 3:
show_order()
elif choice == 4:
other()
else:
print('欢迎下次光临！')
break
#添加商品至购物车
def add_shopping(name,price,count,total):
dict = {}
dict['name'] = name
dict['price'] = price
dict['count'] = count
dict['total'] = total
shoppingCar.append(dict)
#展示购物车
def show_shoppingCar():
global money
NeedMoney = 0
for i in range(0,len(shoppingCar)):
for key in shoppingCar[i].keys():
print('*'*30)
if key == 'name':
print('商品名称:'+shoppingCar[i][key])
elif key == 'price':
print('商品单价:%d'%shoppingCar[i][key])
elif key == 'count':
print('商品数量:%d'%shoppingCar[i][key])
elif key == 'total':
print('商品总价:%d'%shoppingCar[i][key])
NeedMoney += shoppingCar[i][key]
print('一共需花费%d元'%NeedMoney)
if money >= NeedMoney:
money -= NeedMoney
pay_shopping()
print('一共花费%d元'%NeedMoney)
else:
print('余额不足')
charge_money()
#清空购物车
def pay_shopping():
print('是否支付 yes / no')
user = input('')
if user == 'yes':
print('支付成功')
order.extend(shoppingCar)
shoppingCar.clear( )
#设置充值密码
def charge_pwd():
global charge_password
global money
print('❀'*30)
charge_password2 = input('请输入密码')
charge_password1 = input('请确认密码')
while True:
if charge_password1 == charge_password2:
charge_password = charge_password1
print('❀'*10,'设置成功','❀'*10)
show_menu()
break
#充值金额
def charge_money():
global money
print('是否充值 yes / no')
user = input('')
if user == 'yes':
while True:
user = input('请输入密码')
if user == charge_password:
while True:
chargeMoney = int(input('请输入充值金额'))
if chargeMoney % 100 != 0:
print('请输入充值金额')
else:
money += chargeMoney
print('充值成功')
break
break
else:
print('密码有误')
#添加至订单
def add_order(name,price,count,total):
dict = {}
dict['name'] = name
dict['price'] = price
dict['count'] = count
dict['total'] = total
order.append(dict)
#展示订单
def show_order():
cost_money = 0
#总共花费的钱
for i in range(0,len(order)):
for key in order[i].keys():
print('*'*50)
if key == 'name':
print('商品名称:'+order[i][key])
elif key == 'price':
print('商品单价:%d'%order[i][key])
elif key == 'count':
print('商品数量:%d'%order[i][key])
elif key == 'total':
print('商品总价:%d'%order[i][key])
cost_money += order[i][key]
print('总共花费%d元'%cost_money)
#查找商品
def search_shopping():
name = input('请输入您要查询的名称：')
isExist = False
for i in range(0,len(goods_list)):
if isExist:
isExist = False
break
dict = goods_list[i]
if dict['name'] == name:
print('商品名称：'+name)
print('商品单价：%d'%dict['price'])
print('商品库存：%d'%dict['count'])
if dict['count'] != 0 :
print('请选择一下功能：\n1、购买\n2、添加至购物车\n3、返回上一项')
choice = int(input())
if choice == 1:
buy_shopping(dict)
isExist = True
elif choice == 3:
search_shopping()
elif choice == 2:
num = int(input('请选择添加至购物车的数量：'))
while True:
if num > dict['count']:
print('超出总量限制，请重新输入！')
num = int(input('请选择添加至购物车的数量：'))
else:
add_shopping(dict['name'],dict['price'],num,dict['price']*num)
isExist = True
print('添加成功')
break
else:
print('输入有误，再见！')
else:
if i == len(goods_list)-1:
print('该商品不存在，请重新选择功能！')
#购买商品
def buy_shopping(dict):
global money
if dict['count'] == 0:
print('该商品已售空，请选择其他商品')
else:
while True:
num = int(input('请输入购买的数量：'))
if num <= dict['count']:
needMoney = num * dict['price']
if money < needMoney:
print('余额不足，请充值或修改购买数量！')
else:
money -= needMoney
dict['count'] -= num
print('购买成功！')
add_order(dict['name'],dict['price'],num,dict['price']*num)
break
else:
print('库存不足，请重新输入')
#其他功能
def other():
print('△'*30)
print('请选择您要执行的操作：')
print('1、充值')
print('2、更改登录密码')
print('3、更改充值密码')
print('4、查看余额')
choice = int(input())
if choice == 1:
print('是否选择设置充值密码 yes/ no')
a = input()
if a == 'yes' :
charge_pwd()
else:
charge_money()
elif choice == 2:
change_password()
elif choice == 3:
changeCPWD()
elif choice == 4:
print('余额为%d元'%money)
#更改登录密码
def change_password():
global password
while True:
print('☆'*30)
a = input('输入新密码')
b = input('确认密码')
print('☆'*30)
if a == b:
password = a
print('请重新登录')
log_in()
break
else:
print('重新输入')
#更改支付密码
def changeCPWD():
global charge_password
while True:
print('◇'*30)
a = input('输入新密码')
b = input('确认密码')
print('◇'*30)
if a == b:
charge_password = a
break
else:
print('重新输入')
register()关于“python实现淘宝购物系统的方法”这篇文章就分享到这里了，希望以上内容可以对大家有一定的帮助，使各位可以学到更多知识，如果觉得文章不错，请把它分享出去让更多的人看到。