知识点：文件写入操作， 函数， 函数递归
#！C:\Program Files\Python35/bin
# -*- conding:utf-8 -*-
# author: Frank
# 定义商品列表
product_list = {
'Pen':2.5,
'NoteBook':3.3,
'eraser':1.0
}
Mesg = '''
1.Change goods' price
2.Add new goods
3.quit
Plese input which do you want :
'''
def print_list():
for key in product_list:
print(key, product_list[key])
def change_price():
name = input("please input the goods name:")
if name in product_list:
new_price = input("please input new price:")
product_list[name] = new_price
print("\033[31;0m[%s]\033[0m price has been change to \033[32;0m%s\033[1m"%(name, new_price))
print_list()
else:
ok = input("the goods not in product list, do you want to add:")
if ok in ('y','ye','yes'):
add_goods()
if ok in ('n','no','none'):
exit(record_to_text())
def add_goods():
name = input("please input the add goods name:")
if name in product_list:
print("The goods had exist, please re_input:")
add_goods()
else:
price = input("please input the goods price:")
product_list[name] = price
print("Add \033[31;0m[%s]\033[1m into list already"% name)
print_list()
def record_to_text():
with open("product",'w+',encoding='utf-8') as f:
for goods in product_list:
print(goods,product_list[goods], file=f)
print_list()
while True:
user_input = input(Mesg)
if user_input == '1':
change_price()
elif user_input == '2':
add_goods()
else:
user_input == '3'
print("Your current produce list as below:")
print_list()
exit(record_to_text())测试：
佳可商务购物程序 2004
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在原版的基础上做了一下修正评论没有提交正文的问题特价商品的调用连接问题去掉了一个后门补了SQL注入补了一个过滤漏洞浮动价不能删除的问题不能够搜索问题收藏时放入购物车时出错点放入购物车弹出2个窗口修正主题添加问题商家注册页导航连接问题销售排行不能显示更多问题热点商品不能显示更多问题增加了服务器探测 增加了空间使用查看 增加了在线文件编辑增加了后台管理里两处全选功能更新说明：后台的部分功能已经改过前台
NoteBook 3.3 eraser 1.0 Pen 2.5 1.Change goods' price 2.Add new goods 3.quit Plese input which do you want : please input the add goods name:Apple please input the goods price:5.0 Add [Apple] into list already Apple 5.0 NoteBook 3.3 eraser 1.0 Pen 2.5 1.Change goods' price 2.Add new goods 3.quit Plese input which do you want : please input the goods name:Pen please input new price:2.3 [Pen] price has been change to 2.3 Apple 5.0 NoteBook 3.3 eraser 1.0 Pen 2.3 1.Change goods' price 2.Add new goods 3.quit Plese input which do you want : please input the goods name:book the goods not in product list, do you want to add:no
