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@ -1,376 +0,0 @@
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class Goods(object):
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def __init__(self, name, num, primecost, sellingprice):
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self.name = name
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self.num = num
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self.primecost = primecost
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self.sellingprice = sellingprice
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def __str__(self):
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state = "已售罄"
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if self.num == 0:
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return '名称：%s,数量：%d %s,进货价格：%.2f,售出价格：%.2f' % (
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self.name, self.num, state, self.primecost, self.sellingprice)
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else:
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return '名称：%s,数量：%d,进货价格：%.2f,售出价格：%.2f' % (
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self.name, self.num, self.primecost, self.sellingprice)
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# 定义已售出类
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class gGoods:
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def __init__(self, name, gnum, gprimecost, gsellingprice):
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self.name = name
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self.gnum = gnum
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self.gprimecost = gprimecost
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self.gsellingprice = gsellingprice
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def __str__(self):
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return '名称：%s,卖出数量：%d,进货价格：%.2f,售出价格：%.2f' % (
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self.name, self.gnum, self.gprimecost, self.gsellingprice)
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# 定义商品管理类
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class GoodsManager(object):
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# 两个列表分别保存已售出和库存信息
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go = [] # 库存列表
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js = [] # 已售出列表
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def init(self):
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self.go.append(Goods("牛奶", 5, 40.00, 60.00))
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self.go.append(Goods("盒饭", 5, 10.00, 60.00))
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self.go.append(Goods("樱桃", 5, 20.00, 80.00))
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# Menu菜单调用要求的7个功能
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def Menu(self):
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self.init()
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print("\"超市管理系统\"菜单：")
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print("1.显示所有商品")
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print("2.添加新的商品")
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print("3.修改商品信息")
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print("4.删除商品")
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print("5.卖出商品")
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print("6.汇总")
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print("-1.退出")
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print("***********************************")
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while True:
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n = int(input("请输入操作序号："))
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if n in [-1, 1, 2, 3, 4, 5, 6]:
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if n == -1:
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print("已经退出！")
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break
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elif n == 1:
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self.showGoods()
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elif n == 2:
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self.Add()
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elif n == 3:
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self.Modify()
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elif n == 4:
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self.Delete()
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elif n == 5:
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self.Sell()
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elif n == 6:
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self.Summary()
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else:
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print("输入有误！")
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# 显示商品
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def showGoods(self):
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for goods in self.go:
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print(str(goods))
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# 添加商品
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def Add(self):
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goods_name = input("请输入商品名称：")
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ret = self.check(goods_name)
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if ret != None:
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print('商品已经存在！')
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print('是否增加商品数量：（y/n）')
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while True:
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pd = input()
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if pd == 'y':
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goods_num = int(input("请输入商品的数量："))
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old_goods = Goods(goods_name, goods_num + ret.num, ret.primecost, ret.sellingprice)
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self.go.remove(ret)
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self.go.append(old_goods)
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print("添加成功！")
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break
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elif pd == 'n':
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print("已经返回！")
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break
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else:
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print("输入有误，重新输入：")
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else:
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goods_num = int(input("请输入商品的数量："))
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goods_primecost = float(input("请输入商品进货价格："))
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goods_sellingprice = float(input("请输入商品售出价格："))
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if goods_num > 0 and goods_primecost > 0 and goods_sellingprice > 0:
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new_goods = Goods(goods_name, goods_num, goods_primecost, goods_sellingprice)
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self.go.append(new_goods)
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print("添加成功！")
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else:
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print("输入错误！")
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# 修改商品
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def Modify(self):
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goods_name = input("请输入需要修改的商品名称：")
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ret = self.check(goods_name)
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if ret != None:
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print(ret)
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goods_name1 = input("请输入修改后商品的名称：")
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goods_num = int(input("请输入修改后商品的数量："))
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goods_primecost = float(input("请输入修改后商品进货价格："))
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goods_sellingprice = float(input("请输入修改后商品出货价格："))
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old_goods = Goods(goods_name1, goods_num, goods_primecost, goods_sellingprice)
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self.go.remove(ret)
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self.go.append(old_goods)
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print("修改成功！")
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else:
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print("没有此商品!")
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# 修改、删除、卖出之前先调用check()函数检查是否存在商品
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def check(self, goods_name):
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for goods in self.go:
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if goods.name == goods_name:
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return goods
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else:
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return None
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def checkjs(self, goods_name):
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for goods in self.js:
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if goods.name == goods_name:
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return goods
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else:
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return None
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# 删除商品
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def Delete(self):
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goods_name = input("请输入需要删除的商品名称：")
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ret = self.check(goods_name)
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if ret != None:
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print(ret)
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print('是否删除商品：（y/n）')
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while True:
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pd = input()
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if pd == 'y':
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self.go.remove(ret)
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print("删除成功！")
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break
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elif pd == 'n':
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print("已经返回!")
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break
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else:
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print("输入有误，重新输入：")
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else:
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print("没有此商品！")
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# 卖出商品
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def Sell(self):
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goods_name = input("请输入需要卖出的商品名称：")
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ret = self.check(goods_name)
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if ret != None:
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g_num = int(input("卖出个数:"))
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if ret.num - g_num < 0:
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print("该商品数量不足！请补充")
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else:
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old_goods = Goods(ret.name, ret.num - g_num, ret.primecost, ret.sellingprice)
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self.go.remove(ret)
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self.go.append(old_goods)
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gret = self.checkjs(goods_name)
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if gret == None:
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shop_goods = gGoods(ret.name, g_num, ret.primecost * g_num, ret.sellingprice * g_num)
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self.js.append(shop_goods)
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else:
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shop_goods = gGoods(gret.name, g_num + gret.gnum, gret.gprimecost + ret.primecost * g_num,
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gret.gsellingprice + ret.sellingprice * g_num)
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self.js.remove(gret)
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self.js.append(shop_goods)
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print("卖出后：", end=' ')
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old_goods = Goods(ret.name, ret.num - g_num, ret.primecost * g_num, ret.sellingprice * g_num)
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print(old_goods)
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else:
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print("没有此商品！")
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# 汇总当天卖出商品，包括每种销售商品名称、数量
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def Summary(self):
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for goods in self.js:
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print(str(goods))
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print("售出的物品进货总价：", end="")
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x = 0
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for goods in self.js:
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x += float(goods.gprimecost)
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print(x)
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print("售出的物品销售总价：", end="")
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y = 0
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for goods in self.js:
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y += float(goods.gsellingprice)
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print(y)
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print("利润：", y - x)
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manager = GoodsManager()
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manager.Menu()
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