Python ATM小程序 v1
发布时间：2019-09-12 07:59:42编辑：auto阅读（1549）
注意：下面的程序和上一遍中的流程有点区别！
数据库设置：
mysql> desc back_card; ＃＃信用卡表结构！ +--------------+--------------+------+-----+---------+-------+ | Field | Type | Null | Key | Default | Extra | +--------------+--------------+------+-----+---------+-------+ | card_id | int(10) | NO | PRI | NULL | | | card_passwd | varchar(128) | NO | | NULL | | | card_user | varchar(64) | YES | | NULL | | | card_balance | float | YES | | NULL | | | create_time | datetime | YES | | NULL | | | login_time | datetime | YES | | NULL | | | err_time | datetime | YES | | NULL | | +--------------+--------------+------+-----+---------+-------+ 7 rows in set (0.01 sec) mysql> desc item_list; ＃＃商品表结构 +------------+--------------+------+-----+---------+----------------+ | Field | Type | Null | Key | Default | Extra | +------------+--------------+------+-----+---------+----------------+ | item_id | int(11) | NO | PRI | NULL | auto_increment | | item_name | varchar(256) | YES | | NULL | | | item_price | float | YES | | NULL | | | item_total | float | YES | | NULL | | | up_time | datetime | YES | | NULL | | +------------+--------------+------+-----+---------+----------------+ 5 rows in set (0.02 sec) mysql>
Python atm程序 v1
＃＃＃＃＃＃＃＃＃＃＃＃＃＃＃＃main.py ##程序入口文件 #!/usr/bin/python # -*- coding: utf-8 -*- __author__ = 'gaogd' import atm_login import atm_main def SelectFunction(): content=u''' 1.登陆信用卡 2.申请信用卡 3.修改信用卡密码 4.删除信用卡 ''' print content num = raw_input(u'请输入您的选择：') if num.strip() == '1': Flag = True Flag,card_id = atm.Login() while Flag: Flag = atm_main.atm_choose(card_id) #atm.elect(card_id) return True if num.strip() == '2': atm.Register() return True if num.strip() == '3': atm.UpdatePasswd() return True if num.strip() == '4': atm.Deleuser() return True print u'您的输入有误!!请输入您需要的功能对应的序号' if __name__ == "__main__": atm = atm_login.ATM() #atm.Register() #atm.Login() #atm.Deleuser() SelectFunction()
＃＃＃＃＃＃＃atm_main.py #!/usr/bin/python # -*- coding: utf-8 -*- __author__ = 'gaogd' import atm_login import shooping def atm_choose(card_id): choose_item = u""" 1. 查询 2. 消费 3. 存取转账 4. 修改账户密码 5. 退出 """ print choose_item choose_item_num = raw_input(u"请输入的想要的操作:") if choose_item_num.strip() == '1': ''' 查询 ''' Flag = True while Flag: atm = atm_login.ATM() Flag = atm.Select(card_id) return True if choose_item_num.strip() == '2': ''' 消费 ''' Flag = True while Flag: shoop = shooping.Shoop() Flag = shoop.shooping(card_id) print Flag return True if choose_item_num.strip() == '3': ''' 存取转款 ''' atm = atm_login.ATM() Flag = True while Flag: Flag = atm.PutGetMoney(card_id) return True if choose_item_num.strip() == '4': ''' 修改密码 ''' atm = atm_login.ATM() atm.UpdatePasswd() return True if choose_item_num.strip() == '5': ''' 退出 ''' return False print u'您的输入有误!!请输入您需要的功能对应的序号,请重新输入!!' return True
##################atm_login.py
#!/usr/bin/python
# -*- coding: utf-8 -*-
__author__ = 'gaogd'
import datetime
import MySQLdb as mysql
import atm_select
import atm_main
class ATM(object):
def __init__(self):
self.db = mysql.connect(user="root", passwd="wdzj@2015", db="ATM", host="192.168.10.12") # 数据库连接信息
self.db.autocommit(True)
self.cur = self.db.cursor()
self.cur.execute('set names utf8')
def Login(self):
# addtime = datetime.datetime.now().__format__("%Y-%m-%d %H:%M:%S")
addtime = datetime.datetime.now()
self.card_id = raw_input(u'请输入你的银行卡号:')
err_count = 0
Flag = True
while Flag:
self.password = raw_input(u'请输入密码:')
if self.card_id.strip() == '':
print u'银行卡号不能为空！'
Flag = False
return Flag
if not self.card_id.isdigit():
print u'用户卡号必须为数字！'
Flag = False
return Flag
if self.password.strip() == '':
print u'密码不能为空！'
Flag = False
return Flag
## select err_time from loginuser where user='xiaoming';
get_err_time_sql = "select err_time from back_card where card_id='%s';" % self.card_id
self.cur.execute(get_err_time_sql)
get_err_time = self.cur.fetchall()
if len(get_err_time) == 0: ## 卡号不存在
print u'输入的用户卡或密码错误'
Flag = False
return Flag
print '1------',get_err_time
print '2------',get_err_time[0][0]
if get_err_time[0][0] == None:
print 'ok pass'
#pass
else:
print 'get_err_time::', get_err_time[0][0], '=======', addtime
err_time = get_err_time[0][0]
diff_time = (addtime - err_time).seconds
print 'diff_time::', diff_time
if not diff_time >= 100:
Flag = False
if Flag:
# sql = select user,passwd from loginuser where user='gao3'and passwd='gao3';
select_user_passwd_sql = "select card_id,card_user,card_passwd from back_card where card_id=%s and card_passwd='%s';" % (self.card_id, self.password)
#print select_user_passwd_sql
self.cur.execute(select_user_passwd_sql)
select_user_passwd = self.cur.fetchall()
if len(select_user_passwd) == 0:
print u'用户名或密码不正确！！'
err_count += 1
if err_count == 3:
print u'错误输入密码超过三次，程序自动退出！！'
##sql = update loginuser set err_time='2016-09-02 15:40:01' where user='gao1' ;
update_err_sql = "update back_card set err_time='%s' where card_id=%s " % (addtime, self.card_id)
self.cur.execute(update_err_sql)
Flag = False
else:
err_count = 0
self.card_user = select_user_passwd[0][1]
##sql = update loginuser set login_time='2016-09-02 15:40:01' where user='gao1' ;
update_login_sql = "update back_card set login_time='%s' where card_id='%s' " % (addtime, self.card_id)
self.cur.execute(update_login_sql)
print u'欢迎%s您来到中国银行网上银行！！' % self.card_user
#atm_main.atm_choose()
return True,self.card_id
else:
print u'%s在5分钟登陆错误超过3次,请三十分钟后登陆！！' % self.card_id
def Register(self):
username = raw_input(u'请输入你要申请的用户名:')
password_one = raw_input(u'请输入密码:')
password_two = raw_input(u'请再次输入密码:')
addtime = datetime.datetime.now()
if username.strip() == '':
print u'用户名不能为空！'
if not username.isalnum():
print u'用户名不能包含特殊字符'
return False
if password_one.strip() == '':
print u'密码不能为空！'
return False
if not password_one.strip() == password_two.strip():
print u'你两次输入的密码不一致'
return False
##生成银行卡号
##select * from back_card ORDER BY card_id desc limit 1;
card_last_id_sql = "select * from back_card ORDER BY card_id desc limit 1;"
self.cur.execute(card_last_id_sql)
card_last_id = self.cur.fetchall()[0][0]
card_id = int(card_last_id) + 1
## insert into back_card(card_id,card_passwd,card_user,card_balance,create_time) values(999990001,'asdasd','gao',0.0,addtime);
create_card_sql = "insert into back_card(card_id,card_passwd,card_user,card_balance,create_time) values(%s,'%s','%s',0.0,'%s');" % (card_id,password_one,username,addtime)
try:
print create_card_sql
self.cur.execute(create_card_sql)
except Exception as e:
print e
print u'创建用户失败!!'
return False
print u'创建用户成功：', username
def UpdatePasswd(self):
'''
修改信用卡密码
'''
card_id = raw_input(u'请输入你要修改密码的卡号: ')
username = raw_input(u'请输入用户名: ')
password = raw_input(u'请输入密码: ')
new_passwd = raw_input(u'请输入你的新密码: ')
new_passwd_two = raw_input(u'请输入你的新密码: ')
if username.strip() == '':
print u'输入的用户名不能为空！'
return False
if card_id.strip() == '':
print u'信用卡号不能为空！'
return False
if not card_id.isdigit():
print u'信用卡号输入有误,卡号只能是数字！'
return False
if not new_passwd.strip() == new_passwd_two.strip():
print u'您两次输入的新密码不一致,请重新输入!'
return False
# select card_id,card_passwd from back_card where card_id=999990005 and card_user='gao3'and card_passwd='gao33' ;
select_card_passwd_sql = "select card_id,card_passwd from back_card where card_id=%s and card_user='%s'and card_passwd='%s' ;" % (
card_id, username, password)
# print select_card_passwd_sql
self.cur.execute(select_card_passwd_sql)
select_card_passwd = self.cur.fetchall()
# print select_card_passwd,'lend2',len(select_card_passwd)
if len(select_card_passwd) == 0:
print u'用户名或密码不正确！！'
return False
else:
##修改密码
##update back_card set card_passwd='okokok' where card_id=999990001;
select_updatepasswd_sql = " update back_card set card_passwd='%s' where card_id=%s ;" % (new_passwd,card_id)
#print select_updatepasswd_sql
self.cur.execute(select_updatepasswd_sql)
print u'用户%s 密码已经修改成功!!!' % username
def Deleuser(self):
card_id = raw_input(u'请输入你要删除的卡号:')
username = raw_input(u'请输入你要删除的用户名:')
password = raw_input(u'请输入密码:')
if username.strip() == '' :
print u'输入的用户名不能为空！'
return False
if card_id.strip() == '':
print u'银行卡不能为空！'
return False
if not card_id.isdigit():
print u'信用卡号输入有误,卡号只能是数字！'
return False
# select card_id,card_passwd from back_card where card_id=999990005 and card_user='gao3'and card_passwd='gao33' ;
select_card_passwd_sql = "select card_id,card_passwd from back_card where card_id=%s and card_user='%s'and card_passwd='%s' ;" % (card_id,username,password)
#print select_card_passwd_sql
self.cur.execute(select_card_passwd_sql)
select_card_passwd = self.cur.fetchall()
#print select_card_passwd,'lend2',len(select_card_passwd)
if len(select_card_passwd) == 0:
print u'用户名或密码不正确！！'
return False
else:
if password.strip() == select_card_passwd[0][1].strip():
##删除用户
##DELETE FROM loginuser WHERE user='gao1';
select_deluser_sql = "DELETE FROM back_card where card_id=%s and card_user='%s' ;" % (card_id,username)
self.cur.execute(select_deluser_sql)
print u'已经成功删除%s用户' % username
def Select(self,card_id):
select_content = u'''
1.查询余额
2.查询消费记录
3.退出查询
'''
print select_content
select_content_num = raw_input(u'输入你要查询的项目:')
if select_content_num.strip() == '1':
#print 'card_id:::',card_id
#select card_balance from back_card where card_id=999990004 ;
card_balance_sql = "select card_balance from back_card where card_id=%s ;" % card_id
#print card_balance_sql
self.cur.execute(card_balance_sql)
self.card_balance = self.cur.fetchall()
print u'您的余额是::', self.card_balance[0][0]
return True
if select_content_num.strip() == '2':
return True
if select_content_num.strip() == '3':
return False
print u'您的输入有误,请重新输入!!'
return True
def PutGetMoney(self,card_id):
put_get_item = u'''
1. 存钱
2. 取钱
3. 转账
4. 退出存取转款
'''
print put_get_item
put_get_item_num = raw_input(u'输入你要查询的项目:')
## 查现在的存款
card_balance_sql = "select card_balance from back_card where card_id=%s ;" % card_id
self.cur.execute(card_balance_sql)
self.card_balance = self.cur.fetchall()
print u'您的余额是::', self.card_balance[0][0]
if put_get_item_num.strip() == '1':
'''
存钱
'''
put_money = raw_input(u'请您输入要存的款额: ') ##这里日后还可以添加输入小数的
if not put_money.isdigit():
print u'您的输入的存款有误!必须输入整数!!'
return True
new_money = float(put_money) + float(self.card_balance[0][0])
# update back_card set card_balance=610 where card_id=999990004 ;
put_money_sql = "update back_card set card_balance=%s where card_id=%s ;" % (new_money,card_id)
self.cur.execute(put_money_sql)
print u'已成功帮您存入%s元,您现在的余额是%s元!!' %(put_money,new_money)
return True
if put_get_item_num.strip() == '2':
'''
取钱
'''
get_money = raw_input(u'请您输入要存的款额: ') ##这里日后还可以添加输入小数的
if not get_money.isdigit():
print u'您的输入的取款有误!必须输入整数哦!!'
return True
new_money = float(self.card_balance[0][0]) - float(get_money)
if new_money < 0:
print u'您的输入的余额不足%s元,无法为您取款!!' % get_money
return True
put_money_sql = "update back_card set card_balance=%s where card_id=%s ;" % (new_money,card_id)
self.cur.execute(put_money_sql)
print u'已成功帮您取出%s元,您现在的余额是%s元!!' %(get_money,new_money)
return True
if put_get_item_num.strip() == '3':
'''
转账
'''
tranfer_money = raw_input(u'请您输入要存的款额: ') ##这里日后还可以添加输入小数的
tranfer_card_id = raw_input(u'请您输入转到目的卡号: ')
tranfer_card_user = raw_input(u'请您输入转到目的卡的用户名: ')
if not tranfer_money.isdigit():
print u'您的输入的转款有误!必须输入整数哦!!'
return True
new_my_money = float(self.card_balance[0][0]) - float(tranfer_money)
if new_my_money < 0:
print u'您的输入的余额不足%s元,无法为您转账!!' % tranfer_money
return True
if not tranfer_card_id.strip().isdigit():
print u'您的输入的目的卡号%s不正确,应为数字!!' % tranfer_card_id
return True
if not tranfer_card_user.strip().isalpha():
print u'您的输入的目的用户%s不正确,应为字母!!' % tranfer_card_id
return True
##
# select * from back_card where card_id=999990003 and card_user='gao1' ;
select_tranfer_card_user_sql = "select card_balance from back_card where card_id=%s and card_user='%s' ;" %(tranfer_card_id,tranfer_card_user)
print select_tranfer_card_user_sql
self.cur.execute(select_tranfer_card_user_sql)
peer_money = self.cur.fetchall()
if len(peer_money) == 0:
print u'您输入的目的卡号或用户名不一致,无法为您转账'
return True
#本卡操作
put_money_sql = "update back_card set card_balance=%s where card_id=%s ;" % (new_my_money,card_id)
self.cur.execute(put_money_sql)
#目的卡操作
peer_old_money = peer_money[0][0]
new_peer_money = float(peer_old_money) + float(tranfer_money)
get_money_sql = "update back_card set card_balance=%s where card_id=%s ;" % (new_peer_money,tranfer_card_id)
print get_money_sql
self.cur.execute(get_money_sql)
print u'已经成功为您转账%s元,到%s账户上!您现在的余额是%s元' %(tranfer_money,tranfer_card_user,new_my_money)
return True
if put_get_item_num.strip() == '4':
return False
print u'您输入的序号有误!'
return True#################shooping.py
#!/usr/bin/python
# -*- coding: utf-8 -*-
__author__ = 'gaogd'
import MySQLdb as mysql
import datetime
class Shoop(object):
def __init__(self):
self.db = mysql.connect(user="root", passwd="wdzj@2015", db="ATM", host="192.168.10.12") # 数据库连接信息
self.db.autocommit(True)
self.cur = self.db.cursor()
self.cur.execute('set names utf8')
self.addtime = datetime.datetime.now()
def add_goods(self):
self.goods_item = raw_input(u'请输入商店出售的新商品名称: ').strip()
goods_price = raw_input(u'请输入商店出售的新商品单价: ').strip()
self.goods_total = raw_input(u'请输入商店出售的新商品总数: ').strip()
if self.goods_item == '':
print u'商品名称不能为空！'
Flag = False
return Flag
if not self.goods_total.isdigit():
print u'商品名称总量必须为整数！'
Flag = False
return Flag
try:
self.goods_price = float(goods_price)
except ValueError as e:
print u'商品价格必须是数字！'
Flag = False
return Flag
try:
# insert into item_list(item_name,item_price,item_total) values('ip',22,33);
add_goods_sql = "insert into item_list(item_name,item_price,item_total,up_time) values('%s',%s,%s,'%s');" %(self.goods_item,self.goods_price,self.goods_total,self.addtime)
print add_goods_sql
self.cur.execute(add_goods_sql)
except Exception as e:
print u'新商品上架失败!使用原因是:%s',e
print u'商品:%s ,单价:%s ,总数:%s,上架成功!' %(self.goods_item,self.goods_price,self.goods_total)
def shooping(self,card_id):
#select item_id,item_name,item_price from item_list ;
select_item_sql = "select item_id,item_name,item_price,item_total from item_list ;"
self.cur.execute(select_item_sql)
select_item = self.cur.fetchall()
self.item_list = [] ##商店的所有商品
self.goods_list = {} ##都购买了什么,单价,数量,总额
Flag = True
print u"\033[31m 商品序号 \t\t\t 商品名称 \t\t\t 商品价格 \t\t\t 商品总量 \33[0m"
for m in range(len(select_item)):
print "\33[33m %3s \t\t\t %10s \t\t\t %8s \t\t\t %s " %(select_item[m][0] ,select_item[m][1] ,select_item[m][2],select_item[m][3])
self.item_list.append('%d' %select_item[m][0])
print u"\033[32m %3s \t\t\t 结账!! \33[0m" % int(m+2)
print u"\033[36m %3s \t\t\t 退出购买,放弃购物车的内容!! \33[0m" % int(m+3)
while Flag:
goods = raw_input(u'请您输入购买的商品序号以及购买数量空格分开: ').strip()
if len(goods.split()) == 2:
goods_num, goods_nums = goods.split()
## 判断输入的商品序号是否有问题
if not goods_num.isdigit():
print u"\033[31m 输入的商品序号有误,应该是数字!! \33[0m"
return True
## 判断输入的商品数量是否有问题
if not goods_nums.isdigit():
print u"\033[34m 输入购买商品数量有误,应数字!! \33[0m"
return True
##判断商品是否存在!!
if not goods_num in self.item_list:
print u"\033[33m 您购买的商品不存在!! \33[0m"
return True
### 商品总量,是否大于购买商品数量
def compare(goods_total,goods_nums):
#print u"商品总量", goods_total, u"购买数量:", goods_nums
if float(goods_total) < int(goods_nums):
print u"\033[33m 商品数量不足!! \33[0m"
return False
return True
n = int(goods_num)
goods_price = float(select_item[n-1][2]) # 单价
if not self.goods_list.has_key(goods_num): ## 新加商品
self.goods_list[goods_num] = [float(goods_nums),goods_price,float(goods_nums) * goods_price]
com_res = compare(select_item[n - 1][3],self.goods_list[goods_num][0])
if not com_res:
self.goods_list[goods_num] = [0]
else:
self.goods_list[goods_num][0] = float(float(self.goods_list[goods_num][0]) + float(goods_nums))
com_res = compare(select_item[n - 1][3],self.goods_list[goods_num][0])
if not com_res:
self.goods_list[goods_num][0] = self.goods_list[goods_num][0] - float(goods_nums)
else:
self.goods_list[goods_num][2] = float(self.goods_list[goods_num][0]) * goods_price
else:
## 判断是否退出购买
if int(goods) == int(m + 3):
print u"\033[36m 正在退出购买,放弃购物车的商品!! \33[0m"
self.goods_list = {}
return False
elif int(goods) == int(m + 2):
print u"\033[36m 正在为你结账 !! \33[0m"
Flag =False
else:
print u"\033[31m 您的输入有误,输入应该是以空格分开的两个数字,或单独一个退出购物的序号!! \33[0m"
Flag = False
return True
## 钱够不够
# 购买商品总价
print len(self.goods_list)
goods_total = self.goods_list.values()
goods_total_money = 0
for goods in range(len(goods_total)): ##商品总费用
#print goods_total[goods][2]
goods_total_money = goods_total_money + goods_total[goods][2]
#print u"您的商品总价格是:%s ",goods_total_money
##查看存款
#select card_balance from back_card where card_id=999990004;
select_money_sql = "select card_balance from back_card where card_id=%s" % card_id
self.cur.execute(select_money_sql)
select_money = self.cur.fetchall()
if int(select_money[0][0]) < goods_total_money:
print u'你的商品总费用是:%s,您的余额是:%s,不足购买这些商品!!' % (goods_total_money, select_money[0][0])
return True
try:
##为您结账
new_card_balance = int(select_money[0][0]) - goods_total_money
new_card_balance_sql = "update back_card set card_balance=%s where card_id=%s ;" % (new_card_balance, card_id)
self.cur.execute(new_card_balance_sql)
##库存更新
##查现在的库存
goods_items = self.goods_list.keys() ##购买的所有商品id
for goods in range(len(goods_items)): ## 从购物车中遍历商品id
goods_id = goods_items[goods] ##商品id
goods_item_total = float(select_item[int(goods_id) -1 ][3]) ##购买前库存 ,从商品id中找到商品库存
shoop_goods_total = float(goods_total[goods][0]) ##购买的商品数量
new_item_total = float(goods_item_total) - float(shoop_goods_total) ##购买后的库存
update_item_total_sql = "update item_list set item_total=%s where item_id=%s;" % (new_item_total,goods_id )
self.cur.execute(update_item_total_sql)
print u'您的账户有%s元,你的商品总费用是:%s现在余额:%s元,!!' % (select_money[0][0],goods_total_money, new_card_balance)
return True
except ReferenceError as e:
print u'无法为您购买商品,系统发送故障:%s' % e
return True
if __name__ == "__main__":
shooping = Shoop()
#shooping.add_goods()
shooping.shooping(999990004)
上一篇： Python30 动态导入模块/断言
下一篇： python django web项目的
- openvpn linux客户端使用
51192
- H3C基本命令大全
50604
- openvpn windows客户端使用
41229
- H3C IRF原理及 配置
38048
- Python exit()函数
32511
- openvpn mac客户端使用
29417
- python全系列官方中文文档
28278
- python 获取网卡实时流量
23132
- 1.常用turtle功能函数
23092
- python 获取Linux和Windows硬件信息
21425
- Python搭建一个RAG系统(分片/检索/召回/重排序/生成)
1481°
- Browser-use:智能浏览器自动化(Web-Agent)
2197°
- 使用 LangChain 实现本地 Agent
1820°
- 使用 LangChain 构建本地 RAG 应用
1749°
- 使用LLaMA-Factory微调大模型的function calling能力
2062°
- 复现一个简单Agent系统
1811°
- LLaMA Factory-Lora微调实现声控语音多轮问答对话-1
2494°
- LLaMA Factory微调后的模型合并导出和部署-4
4187°
- LLaMA Factory微调模型的各种参数怎么设置-3
4049°
- LLaMA Factory构建高质量数据集-2
2891°
- 姓名：Run
- 职业：谜
- 邮箱：383697894@qq.com
- 定位：上海 · 松江
