# ATM后台数据库 id cipher name money
ATMDataBase = [
{‘id’:‘001’,‘cipher’:‘123456’,‘name’:‘张三’,‘money’:1000},
{‘id’:‘002’,‘cipher’:‘123456’,‘name’:‘李四’,‘money’:0},
{‘id’:‘003’,‘cipher’:‘123456’,‘name’:‘王五’,‘money’:999999}]
ATMUser = “” #操作用户
def ATM_Init():
“”"
ATM初始化，显示操作指令
“”"
print("-"*40)
print("{0:1}{1:>20}{0:>19}".format("|",“ATM”))
print("{0:1}{1:<16}{2:>16}{0:1}".format("|",“1、登陆”,“2、退出”))
print("{0:1}{1:<16}{2:>16}{0:1}".format("|",“3、存钱”,“4、取钱”))
print("{0:1}{1:<33}{0:1}".format("|",“5、查询余额”))
print("-"*40)
def ATM_Login():
“”"
ATM登陆
“”"
#global ATMDataBase
global ATMUser
account = input(“请您的输入账号：”)
cipher = input(“请您的输入密码：”)
for v in range(len(ATMDataBase)):
if ATMDataBase[v][“id”] == account and ATMDataBase[v][‘cipher’] == cipher: #判断账号密码是否正确
ATMUser = account # 记录操作用户id
print(“登陆成功，请继续操作!”)
break
else:
if input("输入的账号密码有误，是否重新输入 yes/no? ") == “yes”:
ATM_Login() # 重新输入
break
def ATM_SaveMoney():
“”"
ATM存钱
“”"
try:
sunMoney = int(input(“请输入存款金额：”))
except:
print(“请不要放入假钞!”)
ATM_SaveMoney()
return
for v in range(len(ATMDataBase)):
if ATMUser == ATMDataBase[v][‘id’]: #调取数据库用户信息进行改写
ATMDataBase[v][‘money’]+=sunMoney
print(“您成功存款{}元”.format(sunMoney))
break
def ATM_DrawMoney():
“”"
ATM取钱
“”"
try:
sunMoney = int(input(“请输入存款金额：”))
except:
ATM_DrawMoney()
return
for v in range(len(ATMDataBase)):
if ATMUser == ATMDataBase[v][‘id’]: #调取数据库用户信息进行改写
if ATMDataBase[v][‘money’] >=sunMoney:
ATMDataBase[v][‘money’]-=sunMoney
print(“您成功取款{}元”.format(sunMoney))
break
else:
print(“您的账户余额不足!”)
break
def ATM_BalanceInquiry():
“”"
ATM查询余额
“”"
for v in range(len(ATMDataBase)):
if ATMUser == ATMDataBase[v][‘id’]: #调取数据库用户信息输出
print(“您的账户余额还有{}元”.format(ATMDataBase[v][‘money’]))
break
def isLogin():
“”"
是否已经登陆
“”"
if ATMUser == “”:
print(“请先进行登陆!”)
return not ATMUser == “”
def ATM_Handle():
“”"
获取ATM操作，执行相关指令
“”"
key = input(“请输入对应编号进行操作：”)
if key == “1”:
ATM_Login()
elif key == “2”:
return
elif key == “3”:
if isLogin():
ATM_SaveMoney()
elif key == “4”:
if isLogin():
ATM_DrawMoney()
elif key == “5”:
if isLogin():
ATM_BalanceInquiry()
else:
print(“无效操作，请重新输入”)
ATM_Handle() #重复获取用户操作 直到用户执行退出操作
ATM_Init()
ATM_Handle()
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