Python小练习-购物商城（一部分代码，基于python2.7.5）

#!/usr/bin/env python

#coding:utf-8

import sys

class Shop(object):

    def __init__(self):

        self.Red = "\033[1;31m"

        self.Gre = "\033[1;32m"

        self.Res = "\033[0m"

    with open('user_file.txt','r') as fp:

            user_list = eval(fp.readline())  # 用户的名字与密码转换成字典

    with open('lock_name.txt','r') as fp2:

            lock_name = eval(fp2.readline())  # 锁定的用户为列表

    with open('money_list.txt','r') as fp3:

            money_list = eval(fp3.readline())

    def nameCheck(self,a):

        if a in self.user_list and a not in self.lock_name:

            return 0 #如果名字在user_file里面，且没在锁定文件里面的话，返回0

        elif a in self.user_list and a in self.lock_name:

            return 1 #名字在user_file里面，且被锁定，返回1

        else:

            return 2 #否则返回2

    def passwdCheck(self,a,b):

        count = 3

        while count > 1:

            try:

                if b == self.user_list[a]:

                    return 0

                else:

                    count -= 1

                    print "密码错误，剩余%d次" % count

                    b = raw_input("请再次输入你的密码: ")

            except KeyError :

                 return 2

        else:

            return 1

    def checkAfter(self,b,c,dd):

        if b == 0 and c == 0  :

            print self.Gre,"恭喜你(%s),登陆成功!!!,欢迎你来到我们的商店!"%dd,self.Res #成功后动作进到商店

            self.shopCounts()

        elif b == 1 :

            print self.Red,"对不起,你(%s)的账号被锁定,请联系客服!!!"%dd,self.Res  #不成功则动作回到初始位置

            pass

        elif c == 1 :

            print "密码错误,账号将被锁定"

            self.nameLock(dd)

        else:

            print self.Red,"账号(%s)不存在,是否创建用户"%dd,self.Res #不存在则动作到注册位置

            self.signName()

    def shopCounts(self):

        shop_list = {"phone":2000,"ipad":1500,"ice_box":500}

        for key,value in shop_list.items():

            print key," : ",value #打印商店内容

    def signName(self):

        while True:

            sign_name = raw_input("请输入你要注册的账号:")

            value = self.nameCheck(sign_name)

            passwd = raw_input("输入你的密码: ")

            if value == 2:

                print "congratulations,账号可用"

                money = raw_input("输入账号资金: ")

                if money.isdigit():

                    print """name:    %s

passwd:    %s

money:    %d""" %(sign_name,passwd,int(money))

                    self.user_list.setdefault(sign_name,passwd)

                    self.money_list.setdefault(sign_name,money)

                    confirm = raw_input("是否确认以上信息: ")

                    if confirm.upper() == "Y":

                        with open('user_file.txt','r+') as fp:

                            fp.write(str(self.user_list))

                        with open('money_list.txt','r+') as fp2:

                            fp2.write(str(self.money_list))

                        break

                    else:

                        print "重新来过"

                        continue

                else:

                    print "资金错误,返回重来"

                    continue

            else:

                print "账号不可用"

                continue

    def nameLock(self,a):

        self.lock_name.append(a)

        with open('lock_name.txt','r+') as fp:

            fp.write(str(self.lock_name))

maomao = Shop()

while True:

    name = raw_input("请输入你的账号:")

    if name.upper() == "Q":

        sys.exit()

    else:

        passwd = raw_input("请输入你的密码:")

        b = maomao.nameCheck(name)

        c = maomao.passwdCheck(name,passwd)

        maomao.checkAfter(b,c,name)