01-商城购物车练习

以前写的商城购物车练习，内容比较少，代码也比较初级~~，记录下来，以后可以查看。

#-*-coding:utf-8-*-
'''
网上银行
功能：
1.新注册用户提供额度15000
2.主要功能：查询、购物、充值、流水账
3.购物车功能、结算功能、充值消费功能
'''
import time,sys,os,json,re,collections,md5,hashlib
import cPickle as p
import xml.dom.minidom as xmls
from xml.etree.ElementTree import Element,ElementTree
defaulten = sys.getdefaultencoding()
reload(sys)
sys.setdefaultencoding(defaulten)

class bankCount:
#global nameUser
#global moneyToPay
def __init__(self):
self.shopList = ''
self.payMoney = 0
self.nameUser = ''
self.moneyToPay = ''
self.no = [u'查询',u'购物',u'还款',u'账单']
self.countDict = collections.OrderedDict()#总购物清单
self.nowDict = collections.OrderedDict()#临时清单
self.times = time.strftime('%Y-%m-%d %H:%M:%S',time.localtime())
def login(self,username,password):
'''登录网上银行'''
#print '--登录--'
try:
#print '如果可以获取username的 name 和 password属性值'
name = self.xmlAttr(username,'name')
paswd = self.xmlAttr(username,'password')
except:
#print '获取username的属性失败，需要注册'
self.loginError()
if name and password:
#print 'name:',name
#print 'paswd:',paswd
#print 'username:',username
#print 'password:',paswd
hashs = hashlib.md5()
hashs.update(password)
passwords = hashs.hexdigest()
if username == name and passwords==paswd:
self.hello(username)
else:
self.loginError()

def hello(self,username):
'''登录进银行界面'''
time.sleep(0.5)
print '登陆成功！'
self.nameUser = username
time.sleep(0.5)
print '欢迎来到世纪银行，很高兴为您服务！'
print '请选择您的业务！'
self.cmd(username)

def cmd(self,username):
message = zip(['1','2','3','4'],self.no)
print '='*40
print ' '*2,'-*-序 号-*-' + ' ' +'-*-业 务-*-'
for i in range(len(message)):
print ' '*7,message[i][0] + ' ' +message[i][1]
print '='*40
cmds = raw_input('请选择您的业务序号：').strip()

if cmds:
if ord(cmds)==49:
print '+'*45
print '| 个人信息查询中心！ |'
print '+'*45
time.sleep(1)
self.chaXun(username)
elif ord(cmds)==50:
print '+'*45
print '| 欢迎进入购物中心！ |'
print '+'*45
time.sleep(1)
self.shop(username)
elif ord(cmds)==51:
print '+'*45
print '| 欢迎进入充值中心！ |'
print '+'*45
time.sleep(1)
self.huanKuan()
elif ord(cmds)==52:
print '+'*45
print '| 账号收支记录中心！ |'
print '+'*45
time.sleep(1)
self.detial()
else:
print '您输入的指令有误，请确认后重新输入！'
time.sleep(0.5)
self.cmd(username)
else:
print '您的序号输入有误，请重新输入！'
def yon(self,username):
'''每个指令的返回和重新执行动作'''
while 1:
print '下一步操作：\n 1 返回主菜单\n 2 退出系统'
num = raw_input('请输入指令：').strip()
if num:
if ord(num)==49:
self.cmd(username)
break
elif ord(num)==50:
self.close()
else:
print '您输入的指令有误，请确认后输入！'
time.sleep(0.5)
else:
print '您的指令有误，请重新输入！'
time.sleep(0.5)

def chaXun(self,username):
'''查询余额'''
print '以下为您的最新余额信息：'
print '~'*80
counts = self.xmlAttr(username,'count')
times = time.strftime('%Y-%m-%d %H:%M:%S',time.localtime())
#print 'counts:',counts
comment = u'%s%s%s%s'% (u'截止',str(times),u'，您的账户余额是：' ,str(counts))
for i in comment:
print i,
time.sleep(0.1)
print
print '~'*80
time.sleep(2)
self.yon(username)
def shop(self,username):
'''购物'''
fruit = {'苹果':5.52,'香蕉':3.20,'梨':2.81,'樱桃':4.32,'香瓜':3.52,'火龙果':5.52,'香橙':2.63}
vagetables = {'萝卜':0.63,'芹菜':0.82,'韭菜':0.24,'南瓜':0.64,'土豆':0.35,'番茄':0.54,'黄瓜':0.61,'香菇':1.02}
sock = {'薯片':8.5,'巧克力':25,'布丁':5,'罐头':8,'果冻':12,'麦片':10,'水果糖':18}
tools = {'卫生纸':2,'毛巾':15,'垃圾袋':10,'洗发水':20,'拖布':15,'收纳盒':18}
dress = {'西服':204,'T恤':85,'裙子':245,'短裤':152,'风衣':180,'羽绒服':208}
shopList = {'水果':fruit,'蔬菜':vagetables,'零食':sock,'日用品':tools,'服装':dress}
print '您好，欢迎来到购物中心，请选择要购买的物品！'
lists = zip([i for i in range(len(shopList.keys()))],shopList.keys())

while 1:
print '*'*40
print ' '*6,'< 序 号 >',' ','< 类 别 >'
for i in range(len(lists)):
print ' '*9,lists[i][0],' '*10,lists[i][1]
print '*'*40
num = raw_input('请输入序号进入相应的购物区：').strip()
if num and ord(num)<ord(str(len(shopList.keys()))):
num = int(num)
#print 'shopList[lists[num][1]]:',shopList[lists[num][1]]
self.shopping(lists[num][1],shopList[lists[num][1]])#shopList[lists[num][1]]是对应的物品list
else:
print '您输入的序号不正确，请重新输入！'
time.sleep(0.5)

def shopping(self,name,nameList):
'''购物区，根据不同的商品列表返回相应的内容'''
#name:选择的商品区域
#nameList:选择的商品列表
print '欢迎来到%s购物区，请浏览商品列表，并输入你需要购物的物品序号！'%name

while 1:
n_v_list = zip([i for i in range(len(nameList))],nameList.keys(),nameList.values())
print '-'*80
print ' '*6,'序号',' '*4,'价格',' '*4,'名称'
for i in range(len(n_v_list)):
n = 0
a = n_v_list[i][0],' '*2,n_v_list[i][1],' '*2,n_v_list[i][2]
for j in a:
n += len(str(j))
print ' %-9s￥%-9s%-10s'%(a[0],a[4],a[2])
#print ' '*6,a[0],' '*6,a[2],' '*4,a[4]
print '-'*80
num = raw_input('请输入商品序号：').strip() #n_v_list[num][1] 是商品的名字，也是nameList的key
if num.isdigit() and int(num)<len(nameList.keys()):
a = 1
num = int(num)
while a ==1:
num2 = raw_input('请输入你需要多少数量/斤：').strip()
if num2 and num2.isdigit():
keyName = n_v_list[num][1]
print '您好，您本次购物:\n 名称：%s 数量：%s'%(keyName,num2)
times = time.strftime('%Y-%m-%d %H:%M:%S',time.localtime())
#print 'keyName:',keyName
#print 'num2:',num2
dicts = collections.OrderedDict()
dicts[keyName]=num2
self.countDict[times]=dicts
self.nowDict[times]=dicts
#print 'self.countDict:',self.countDict
self.jiSuan(self.nowDict,nameList)
while 1:
cmd = raw_input('您是否需要继续购物：\n 1:是\n 2:否\n输入指令：').strip()
if cmd:
if ord(cmd)==49:
return

elif ord(cmd)==50:
print '进入结算系统！'
self.pay()
return
else:
print '您的操作有误，请重新输入！'
time.sleep(0.5)
else:
print '请输入有效指令！'
time.sleep(0.5)
break
else:
print '您好，请输入正确的数字！'
time.sleep(0.5)
else:
print '您好，您输入的商品号不存在，请重新输入！'
time.sleep(0.5)

def pay(self):
'''结算支付系统'''
#shopList:购物清单
#payMoney：支付金额
print '欢迎进入支付系统！您的购物清单如下：'
print self.shopList
print '您总共需要支付￥%s的费用！'%self.payMoney
self.moneyToPay = self.payMoney
print '结算中',
for i in '.'*5:
print i,
time.sleep(0.5)
print
self.total(self.payMoney,False)
def jiSuan(self,items,nameList):
'''数据处理中心'''
#items={ 时间 ：{ 物品 ： 数量 } }
#keyName:商品名，用来从商品列表中获取价格
#nameList:商品列表
print
print '您目前的购物车信息如下：'
keysList = items.keys()
keysList2 = self.countDict.keys()
# print 'items:',items
# print 'keysList:',keysList
for i in keysList2:
name2 = self.countDict[i].keys()[0]
num2 = self.countDict[i].values()[0]
print ' %s 数量: %s'%(name2,num2)
print
for i in keysList:
#print 'items[i].keys()',items[i].keys()
shopName = items[i].keys()[0]
shopNums = items[i].values()[0]
#print 'nameList:',nameList
#print 'shopName:',shopName
values = nameList[shopName]
a = i +' '+shopName+' 数量 '+shopNums+'\n'
self.shopList += a
self.payMoney += int(shopNums)*int(values)
self.nowDict = collections.OrderedDict()
return
def total(self,menoy,how=True):
'''改动余额，如果how为True，则充值；如果how为False，则扣款，不足时提示；均返回最后余额'''
#menoy:改动的金额
#how:True则充值，False则扣款
#print 'self.nameUser:',self.nameUser
nameusers = self.nameUser
count = self.xmlAttr(nameusers,'count')
if how:
self.changeXml(nameusers,'count',(int(count)+int(menoy)))
time.sleep(1)
self.write('充值金额：%s'%int(menoy))
print '充值成功！'
time.sleep(1)
print '您目前的余额是%s'%(int(count)+int(menoy))
self.yon(nameusers)
else:
if int(count) > int(menoy):
self.changeXml(self.nameUser,'count',(int(count)-int(menoy)))
print '支付成功，您目前的余额是%s'%(int(count)-int(menoy))
detials = ''
# print 'self.countDict:',self.countDict
for i in self.countDict.keys():
#print 'self.countDict[i][0]:',self.countDict[i].keys()[0]
#print 'self.countDict[i][1]:',self.countDict[i].values()[0]
detials += ' %s*%s '%(self.countDict[i].keys()[0],self.countDict[i].values()[0])
# print 'detials:',detials

self.write('支付 %s，总共%s元'%(detials,menoy))
self.countDict = collections.OrderedDict()
self.shopList = ''
self.payMoney = 0
self.yon(self.nameUser)
else:
print '抱歉，您的余额不足，你需要支付的金额是%s，您的账户余额是%s'%(menoy,count)
while 1:
cmd = raw_input('请问您需要去充值页面吗？选择1进入充值页面，选择2停留在当前页面：').strip()
if cmd:
if ord(cmd) == 49:
self.moreMoney()
n =1
while n == 1:
cmd = raw_input('您是否需要继续支付？\n 按1继续支付\n 按2退出支付\n选择：').strip()
if cmd and cmd.isdigit():
if ord(cmd)==49:
n =2
self.total(self.moneyToPay,False)
elif ord(cmd) == 50:
n =2
self.yon(self.nameUser)
else:
print '你的输入指令有误，请重新输入！'
time.sleep(0.5)
else:
print '您好，您输入的指令无效！'
time.sleep(0.5)
elif ord(cmd)==50:
self.yon(self.nameUser)
else:
print '您的输入有误，请重新选择！'
time.sleep(0.5)
else:
print '请输入指令！'
time.sleep(0.5)
break
def write(self,detials,files='data.xml'):
'''记录交易'''
detial1 = self.xmlAttr2(self.nameUser,'countDetial')
times = time.strftime("%y-%m-%d %H:%M:%S",time.localtime())
detial1[times] = detials
self.changeXml(self.nameUser,'countDetial',detial1)

def moreMenoy(self):
'''存款充值页面'''
money = raw_input('请输入您要充值的金额（一次最多10000元，总金额上限100000元）：').strip()
if money and money.isdigit():
if int(money) <= 10000:
now = self.xmlAttr(self.nameUser,'count')
now2 = int(now)+int(money)
if int(now2) <= 100000:
self.changeXml(self.nameUser,'count',now2)
print '充值成功，您目前的余额是：%s元'%now2
self.write('充值%s元'%now2)
return
else:
print '对不起，您（穷）的（逼）余（你）额（有）已（这）超（多）上（钱）限（么）！'
time.sleep(1)
self.moreMenoy()
else:
print '您好，单次充值金额不能大于10000，请重新输入金额！'
time.sleep(1)
self.moreMenoy()
else:
print '对不起，您输入的金额无效，如果有钱就请输入合理的数字，如果没钱就请滚粗！'
time.sleep(1)
self.moreMenoy()

def huanKuan(self):
'''存款系统'''
print
print '~'*50
money = raw_input('请输入您要充值的金额:').strip()
print '~'*50
print
if money and money.isdigit():
self.total(money)
return
else:
print '请输入合法的金额！'
self.huanKuan()
self.yon(self.nameUser)
def detial(self):
'''账号消费充值记录'''
print '以下为您的最新交易信息：\n'
print '~'*100
detials = self.xmlAttr2(self.nameUser,'countDetial')
for i in detials.keys():
print i, ' ',detials[i]
print '~'*100
print
self.yon(self.nameUser)
def loginError(self):
'''登录失败'''
#print '--登录失败--'
print '登录失败!'
while 1:
order = raw_input('您好，你的账号或密码错误，\n 选择1可重新输入\n 选择2可进行注册\n请选择:').strip()
if order and len(order)==1 and order.isdigit():
if ord(order) == 49:
print '--重新输入--'
self.start()
return
elif ord(order) == 50:
print '--注册--'
self.regist()
return
else:
print '您好，您的指令输入有误，请确认后输入！'
time.sleep(0.5)
else:
print '您好，您的指令输入有误，请确认后输入！'
time.sleep(0.5)

def start(self):
'''程序开始'''
#print '--开始--'
cmds = raw_input(' 登录请按1\n 注册请按2\n指令：').strip()
if cmds and cmds.isdigit():
if ord(cmds)==49:
#print '--输入账户--'
username = raw_input(u'请输入您的账户：').strip()
if username:
while 1:
#print '--输入密码--'
password = raw_input(u'请输入您的6位数字密码：').strip()
if password and password.isdigit() and len(password)==6:
if os.path.exists('data.xml'):
#print '如果存在data.xml'
self.login(username,password)
return
else:
#print '如果不存在data.xml'
self.files()
#print 'data.xml文件创建完毕，进行登录'
self.login(username,password)
return
else:
print '您的密码无效，请重新输入，有效密码为6位数字！'
time.sleep(0.5)
else:
self.start()
elif ord(cmds)==50:
self.regist()
self.start()
else:
print '您输入的指令有误！'
time.sleep(0.5)
self.start()
else:
print '您输入的指令有误！'
time.sleep(0.5)
self.start()
def files(self,files='data.xml'):
'''创建xml'''
impl = xmls.getDOMImplementation()
dom = impl.createDocument(None,'eBank',None)
ele = dom.createElement('countDetial')
root = dom.documentElement
root.appendChild(ele)
f = open(files,'w')
dom.writexml(f,addindent=' ',newl='\n')
f.close()
#print 'data.xml文件创建完毕，进行登录'
return
def regist(self):
'''注册'''
if os.path.exists('data.xml'):
#print '如果存在data.xml'
userName = raw_input('请输入您的账户名，以字母开头：').strip()
if not self.xmlTag(userName):
while userName[0].isalpha():
password = raw_input('请输入6位数字密码:').strip()
if len(password)==6 and password.isdigit():
hashs = hashlib.md5()
hashs.update(password)
passwords = hashs.hexdigest()
self.writeXml(userName,'name',userName)
self.changeXml(userName,'password',passwords)
self.changeXml(userName,'count','15000')
self.changeXml(userName,'countDetial',"collections.OrderedDict([])")
print '注册完成，自动进行登录'
self.login(userName,password)
break
else:
print '请输入6位数字密码！'
time.sleep(0.5)
else:
print '您输入的账号格式有误，请重新输入！'
time.sleep(0.5)
self.regist()
else:
print '你输入的账号已存在，请直接登录或重新输入！'
time.sleep(0.5)
while 1:
num = raw_input('1 登录\n2 重新注册').strip()
if num and num.isdigit():
if ord(num)==49:
self.start()
break
elif ord(num)==50:
self.regist()
break
else:
print '您输入的指令有误，请重新输入！'
time.sleep(0.5)
else:
print '您输入的指令有误，请重新输入！'
time.sleep(0.5)
else:
#print '如果不存在data.xml'
self.files()
self.regist()
def changeXml(self,tagName,Name,values,files='data.xml'):
'''修改xml属性'''
#tagName:标签名
#Name:属性名
#values:属性值
tree = ElementTree() #打开文件
tree.parse(files)
notes = tree.findall('countDetial/%s'%tagName) #获取符合条件的所有节点
if len(notes) != 0:
if type(values) is not str and type(values) is not int:
notes[0].set(Name,'collections.%s'%values)
else:
notes[0].set(Name,'%s'%values)
tree.write('data.xml', encoding="utf-8",xml_declaration=True)
def writeXml(self,tagName,Name,values,files='data.xml'):
'''写入xml'''
#tagName:标签名
#Name:属性名
#values:属性值
tree = ElementTree()
tree.parse(files) #打开文件
first = tree.find('countDetial')
#print 'first',first
notes = tree.findall('countDetial/%s'%tagName) #获取符合条件的所有节点
#print 'notes',notes
if len(notes) != 0:
if type(values) is not str and type(values) is not int:
notes[0].set(Name,'collections.%s'%values)
else:
notes[0].set(Name,'%s'%values)
else:
if type(values) is not str and type(values) is not int:
note = Element(tagName,{'%s'%Name:'collections.%s'%values})
else:
note = Element(tagName,{'%s'%Name:'%s'%values})
first.append(note)
tree.write('data.xml', encoding="utf-8",xml_declaration=True)
def xmldata(self,tagName,files='data.xml'):
'''从XML文件中查找对应的text数据'''
dom = xmls.parse(files)
data = dom.getElementsByTagName(tagName)
name = data[0].firstChild.data
return name

def xmlAttr(self,tagName,attr,files='data.xml'):
'''获取xml文件中的属性值'''
#tagName:标签名
#attr:属性名
#print '--获取%s的%s属性--'%(tagName,attr)
dom = xmls.parse(files)
data = dom.getElementsByTagName(tagName)
value = data[0].getAttribute(attr)
#print '获取到的属性值',value
return value

def xmlAttr2(self,tagName,attr,files='data.xml'):
'''获取xml文件中的属性值'''
#tagName:标签名
#attr:属性名
#print '--获取%s的%s属性--'%(tagName,attr)
dom = xmls.parse(files)
data = dom.getElementsByTagName(tagName)
value = data[0].getAttribute(attr)
#print '获取到的属性值',value
return eval(value)

def xmlTag(self,userName,files='data.xml'):
'''从xml中获取标签'''
#userName:标签名，也是用户名
dom = xmls.parse(files)
data = dom.getElementsByTagName(userName)
return data
def close(self):
'''系统退出'''
self.countDict = collections.OrderedDict()
self.shopList = ''
self.payMoney = 0
print '欢迎下次光临，再见！'
time.sleep(2)
sys.exit()
a = bankCount()
a.start()