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| import random
display='''
**********************
* *
* welcome to bank *
* *
**********************
'''
display2='''
**********************
* 1.登陆 2.开户 *
* 3.查询 4.取款 *
* 5.存款 6.退出 *
* 7.转账 8.改密 *
* 9.锁卡 0.解锁 *
**********************
'''
def getkamun(userdict):
userlist = list(userdict)
kanum = userdict.keys()
while 1:
kalist =[]
while len(kalist)<3:
i = random.randrange(10)
if str(i) not in kalist:
kalist.append(str(i))
kanum="".join(kalist)
if kanum in userlist:
continue
else:
break
return kanum
def register(userdict):
idcard =input("身份证号：")
name = input("用户名：")
phone =input("电话号码：")
money=int(input("预存款："))
while 1:
psd1 =input("密码：")
psd2 =input("确认密码：")
if psd1==psd2:
psd=psd2
break
else:
print("密码不一致，重新输入")
kanum=getkamun(userdict)
user ={'idcard':idcard,'name':name,'phone':phone,'money':money,'psd':psd,'kanum':kanum,'suo':False}
return user
def login(userdict):
usernum = input("请输入卡号：")
user =userdict.get(usernum)
if user==None:
print("卡号不存在")
return
else:
if user['suo']:
print("已锁定，请解锁后登陆")
return
for i in range(4):
psd = input("请输入密码：")
if usernum ==user.get('kanum') and psd ==user.get('psd'):
print("登陆成功")
return user.get('kanum')
else:
print("登陆失败,还有%d次机会"%i)
continue
else:
user['suo']=True
print("登陆次数超过三次,已锁定")
def refer(kanum):
user = userdict.get(kanum)
money = user['money']
print("当前余额为%d"%money)
return None
def fund(kanum):
user = userdict.get(kanum)
money=user['money']
money += eval(input("输入金额"))
user['money']=money
print("成功！当前余额为%d" % money)
return None
def draw(kanum):
user = userdict.get(kanum)
money=user['money']
while 1:
money -= eval(input("输入金额"))
if money>=0:
user['money']=money
print("成功！当前余额为%d"%money)
break
else:
print("输入大于余额，重新输入")
break
return None
def tran(kanum,userdict):
user = userdict[kanum]
print(user)
obj = input("请输入卡号：")
if obj not in userdict:
print("卡号不存在")
else:
money2 = int(input("请输入转账金额："))
if money2<user['money']:
user['money'] -= money2
userdict.get(obj)['money'] +=money2
print("转账成功，余额为%d"%user['money'])
return
else:
print("余额不足")
def changepsd(kanum,userdict):
user = userdict[kanum]
oldpsd = input("请输入当前密码：")
if oldpsd == user['psd']:
newpsd = input("请输入新密码：")
user['psd'] = newpsd
print("修改成功")
else:
print("密码错误")
def lock(kanum,userdict):
kanum = input("请输入您的卡号：")
if kanum in userdict:
idcard = input("请输入身份证号码：")
name = input("请输入姓名：")
phone = input("请输入电话：")
user = userdict[kanum]
if idcard==user['idcard'] and name==user['name'] and phone==user['phone']:
user['suo']=True
print("锁定成功")
return
else:
print("信息有误")
else:
print("卡号不存在")
return
def unlock(userdict):
kanum = input("请输入卡号：")
if kanum in userdict:
idcard = input("请输入身份证：")
name = input("请输入姓名：")
phone = input("请输入电话：")
user = userdict[kanum]
if idcard==user['idcard'] and name==user['name'] and phone==user['phone']:
user['suo']=False
print("解锁成功")
return
else:
print("信息有误")
else:
print("卡号不存在")
return
def welcome():
print(display)
welcome()
userdict={}
login_state = None
money =0
n = 0
while 1:
print(display2)
n =input("用户选择要操作：")
if n=='1':
login_state = login(userdict)
print(userdict)
elif n=='2':
user=register(userdict)
kanum=user.get('kanum')
userdict[kanum]=user
print('卡号为：%s'%kanum)
elif n=='3':
print(userdict)
if login_state:
refer(login_state)
else:
print("请先登陆")
elif n=='4':
if login_state:
draw(login_state)
else:
print("请先登陆")
elif n=='5':
if login_state:
fund(login_state)
else:
print("请先登陆")
elif n=='6':
login_state = None
print('退出登陆')
elif n=='7':
if login_state:
tran(login_state, userdict)
else:
print("请先登陆")
elif n=='8':
if login_state:
changepsd(login_state, userdict)
else:
print("请先登陆")
elif n=='9':
n=lock(login_state, userdict)
elif n=='0':
unlock(userdict)
else:
print("输入有误，退出系统")
break
|