def show_shopping_cart():
'''
打印购物车函数
打印购物车列表和操作选项
:return: 返回total总金额
'''
total = 0 # 初始化购物总金额
print('%s %s %s%s %s%s\n%s' %
(mylib.myljust('序号', 8), mylib.myljust('商品编号', 8),
mylib.myljust('商品名称', 50), mylib.myrjust('单价', 8),
mylib.myrjust('个数', 8), mylib.myrjust('小计', 8), '-' * 100))
cart_list = shopping.get_cart() # 获取购物车列表
if len(cart_list) != 0: # 判断购物车是否为空
# 不为空
for cart_item in enumerate(cart_list, 1): #遍历购物车
total = total + cart_item[1]['subtotal'] # 购物总金额累加
print(
'%s %s %s%s %s%s' %
(str(cart_item[0]).center(8), cart_item[1]['id'].center(8),
mylib.myljust(cart_item[1]['name'],
50), str(cart_item[1]['price']).rjust(8),
str(cart_item[1]['num']).rjust(8),
str(cart_item[1]['subtotal']).rjust(9)))
else:
print('您的购物车空空如也，快去血拼吧')
print('-' * 100)
print('总计：%s'.rjust(95 - len(str(total))) % total) # 打印总计
print('操作： 结账(p) 返回上级菜单(r) 清空购物车(e) 删除商品(d)') # 打印操作选项
return total
def show_shopping_cart():
'''
打印购物车函数
打印购物车列表和操作选项
:return: 返回total总金额
'''
total = 0 # 初始化购物总金额
print('%s %s %s%s %s%s\n%s' %(mylib.myljust('序号',8),mylib.myljust('商品编号',8), mylib.myljust('商品名称',50), mylib.myrjust('单价',8), mylib.myrjust('个数',8), mylib.myrjust('小计',8), '-'*100))
cart_list = shopping.get_cart()# 获取购物车列表
if len(cart_list) != 0: # 判断购物车是否为空
# 不为空
for cart_item in enumerate(cart_list, 1): #遍历购物车
total = total + cart_item[1]['subtotal'] # 购物总金额累加
print('%s %s %s%s %s%s' %(str(cart_item[0]).center(8),cart_item[1]['id'].center(8), mylib.myljust(cart_item[1]['name'],50), str(cart_item[1]['price']).rjust(8), str(cart_item[1]['num']).rjust(8), str(cart_item[1]['subtotal']).rjust(9)))
else:
print('您的购物车空空如也，快去血拼吧')
print('-'*100)
print('总计：%s'.rjust(95-len(str(total))) % total) # 打印总计
print('操作： 结账(p) 返回上级菜单(r) 清空购物车(e) 删除商品(d)') # 打印操作选项
return total
def shopping_cart():
'''
购物车函数
:return: 无
'''
while True:
total = show_shopping_cart() # 调用打印购物车函数，并返回购物车总金额
chose = input("请选择您的操作：").strip() # 获取用户输入操作选项
if chose == 'e': # 判断用户输入
# 选择e，清空购物车
if total != 0: # 判断购物车是否为空
# 购物车不为空
confirm = mylib.validate_input('^[y]$', '请确认是否清空购物车(y/n): ', back_str = 'n') #获取用户确认
if confirm == 'y': # 判断用户确认
# 确认清空
shopping.empty_cart() # 调用goods对象的del_all_cart方法清空购物车
if shopping.get_crurrent_customer():
logger.info('用户%s清空购物车' %(shopping.get_crurrent_customer()['username']))
else:
logger.info('游客清空购物车')
input('购物车已经清空，按任意键继续')
else:
input('清空购物车已经取消，按任意键继续')
else:
input('购物车是空的，快去血拼吧，按任意键继续')
elif chose == 'p':
# 选择p，支付
if shopping.get_crurrent_customer():
if total != 0:
res = atm.pay_api('65商城购物', total)
if res:
shopping.empty_cart()
logger.info('用户%s成功支付%s' %(shopping.get_crurrent_customer()['username'], total))
input('支付成功，按任意键返回上级菜单')
break
else:
input('支付失败，按任意键继续')
else:
input('您的购物车还是空空如也，快去血拼吧！，按任意键继续')
else:
input('您还没有登录，请先登录')
elif chose == 'r':
# 选择r退出购物车循环，返回上一级菜单
break
elif chose == 'd':
del_chose = mylib.validate_input('^\d$', '请输入编号(输入r返回): ')
if del_chose == 'r':
continue
else:
cart_list = shopping.get_cart()
gname = cart_list[int(del_chose) - 1]['name']
confirm = mylib.validate_input('^[y]$', '请确认删除1个%s(y/n): ' %gname, back_str = 'n')
if confirm == 'y':
gid = cart_list[int(del_chose) - 1]['id']
res, msg = shopping.del_goods_from_cart(gid)
if shopping.get_crurrent_customer():
logger.info('用户%s删除购物车内%s ' %(shopping.get_crurrent_customer()['username'], gname))
else:
logger.info('游客删除购物车内%s' %gname)
input(msg)
else:
input('删除操作已经取消，按任意键继续')
def shopping_cart():
'''
购物车函数
:return: 无
'''
while True:
total = show_shopping_cart() # 调用打印购物车函数，并返回购物车总金额
chose = input("请选择您的操作：").strip() # 获取用户输入操作选项
if chose == 'e': # 判断用户输入
# 选择e，清空购物车
if total != 0: # 判断购物车是否为空
# 购物车不为空
confirm = mylib.validate_input('^[y]$',
'请确认是否清空购物车(y/n): ',
back_str='n') #获取用户确认
if confirm == 'y': # 判断用户确认
# 确认清空
shopping.empty_cart() # 调用goods对象的del_all_cart方法清空购物车
if shopping.get_crurrent_customer():
logger.info(
'用户%s清空购物车' %
(shopping.get_crurrent_customer()['username']))
else:
logger.info('游客清空购物车')
input('购物车已经清空，按任意键继续')
else:
input('清空购物车已经取消，按任意键继续')
else:
input('购物车是空的，快去血拼吧，按任意键继续')
elif chose == 'p':
# 选择p，支付
if shopping.get_crurrent_customer():
if total != 0:
res = atm.pay_api('65商城购物', total)
if res:
shopping.empty_cart()
logger.info(
'用户%s成功支付%s' %
(shopping.get_crurrent_customer()['username'],
total))
input('支付成功，按任意键返回上级菜单')
break
else:
input('支付失败，按任意键继续')
else:
input('您的购物车还是空空如也，快去血拼吧！，按任意键继续')
else:
input('您还没有登录，请先登录')
elif chose == 'r':
# 选择r退出购物车循环，返回上一级菜单
break
elif chose == 'd':
del_chose = mylib.validate_input('^\d$', '请输入编号(输入r返回): ')
if del_chose == 'r':
continue
else:
cart_list = shopping.get_cart()
gname = cart_list[int(del_chose) - 1]['name']
confirm = mylib.validate_input('^[y]$',
'请确认删除1个%s(y/n): ' % gname,
back_str='n')
if confirm == 'y':
gid = cart_list[int(del_chose) - 1]['id']
res, msg = shopping.del_goods_from_cart(gid)
if shopping.get_crurrent_customer():
logger.info(
'用户%s删除购物车内%s ' %
(shopping.get_crurrent_customer()['username'],
gname))
else:
logger.info('游客删除购物车内%s' % gname)
input(msg)
else:
input('删除操作已经取消，按任意键继续')
