ADD file via upload

qwe.py

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+import tkinter as tk
+from tkinter import messagebox
+import csv
+import os
+
+class Goods:
+    def __init__(self, name, num, primecost, sellingprice):
+        self.name = name
+        self.num = num
+        self.primecost = primecost
+        self.sellingprice = sellingprice
+
+    def __str__(self):
+        state = "已售罄" if self.num == 0 else ""
+        return '名称：%s,数量：%d %s,进货价格：%.2f,售出价格：%.2f' % (
+        self.name, self.num, state, self.primecost, self.sellingprice)
+
+class SoldGoods:
+    def __init__(self, name, num, primecost, sellingprice):
+        self.name = name
+        self.num = num
+        self.primecost = primecost
+        self.sellingprice = sellingprice
+
+    def __str__(self):
+        return '名称：%s,卖出数量：%d,进货价格：%.2f,售出价格：%.2f' % (
+        self.name, self.num, self.primecost, self.sellingprice)
+
+class GoodsManager:
+    def __init__(self):
+        self.goods_list = []
+        self.sold_list = []
+        self.load_goods_from_file()
+
+    def init(self):
+        self.goods_list.append(Goods("牛奶", 5, 40.00, 60.00))
+        self.goods_list.append(Goods("盒饭", 5, 10.00, 60.00))
+        self.goods_list.append(Goods("樱桃", 5, 20.00, 80.00))
+
+    def add_goods(self, name, num, primecost, sellingprice):
+        goods = Goods(name, num, primecost, sellingprice)
+        self.goods_list.append(goods)
+        self.save_goods_to_file()
+        messagebox.showinfo("提示", "添加商品成功")
+
+    def show_goods(self):
+        return [str(goods) for goods in self.goods_list]
+
+    def modify_goods(self, name, num, primecost, sellingprice):
+        for goods in self.goods_list:
+            if goods.name == name:
+                goods.num = num
+                goods.primecost = primecost
+                goods.sellingprice = sellingprice
+                self.save_goods_to_file()
+                messagebox.showinfo("提示", "修改商品成功")
+                return
+        messagebox.showerror("错误", "没有找到该商品")
+
+    def delete_goods(self, name):
+        for goods in self.goods_list:
+            if goods.name == name:
+                self.goods_list.remove(goods)
+                self.save_goods_to_file()
+                messagebox.showinfo("提示", "删除商品成功")
+                return
+        messagebox.showerror("错误", "没有找到该商品")
+
+    def sell_goods(self, name, num):
+        for goods in self.goods_list:
+            if goods.name == name:
+                if goods.num >= num:
+                    goods.num -= num
+                    self.sold_list.append(SoldGoods(name, num, goods.primecost * num, goods.sellingprice * num))
+                    self.save_goods_to_file()
+                    messagebox.showinfo("提示", "卖出商品成功")
+                    return
+                else:
+                    messagebox.showerror("错误", "库存不足")
+                    return
+        messagebox.showerror("错误", "没有找到该商品")
+
+    def summary(self):
+        total_primecost = sum(goods.primecost for goods in self.sold_list)
+        total_sellingprice = sum(goods.sellingprice for goods in self.sold_list)
+        profit = total_sellingprice - total_primecost
+        return total_primecost, total_sellingprice, profit
+
+    def save_goods_to_file(self, filename='goods.csv'):
+        with open(filename, 'w', newline='', encoding='utf-8') as file:
+            writer = csv.writer(file)
+            writer.writerow(['name', 'num', 'primecost', 'sellingprice'])
+            for goods in self.goods_list:
+                writer.writerow([goods.name, goods.num, goods.primecost, goods.sellingprice])
+
+    def load_goods_from_file(self, filename='goods.csv'):
+        if not os.path.exists(filename):
+            return
+        with open(filename, 'r', encoding='utf-8') as file:
+            reader = csv.reader(file)
+            next(reader)  # 跳过标题行
+            self.goods_list.clear()  # 清空现有商品列表
+            for row in reader:
+                name, num, primecost, sellingprice = row
+                goods = Goods(name, int(num), float(primecost), float(sellingprice))
+                self.goods_list.append(goods)
+
+class MainFrame(tk.Tk):
+    def __init__(self):
+        super().__init__()
+        self.title("超市管理系统")
+        self.manager = GoodsManager()
+        self.manager.init()
+        self.create_widgets()
+        self.geometry('600x400')  # 设置窗口尺寸
+        self.update()  # 更新窗口
+        self.geometry(self.geometry())  # 获取并重新设置窗口尺寸，实现居中
+
+    def create_widgets(self):
+        tk.Label(self, text="商品名称").pack()
+        self.name_var = tk.StringVar()
+        tk.Entry(self, textvariable=self.name_var).pack()
+
+        tk.Label(self, text="数量").pack()
+        self.num_var = tk.IntVar()
+        tk.Entry(self, textvariable=self.num_var).pack()
+
+        tk.Label(self, text="进货价格").pack()
+        self.primecost_var = tk.DoubleVar()
+        tk.Entry(self, textvariable=self.primecost_var).pack()
+
+        tk.Label(self, text="销售价格").pack()
+        self.sellingprice_var = tk.DoubleVar()
+        tk.Entry(self, textvariable=self.sellingprice_var).pack()
+
+        tk.Button(self, text="添加商品", command=self.add_goods).pack()
+        tk.Button(self, text="显示商品", command=self.show_goods).pack()
+        tk.Button(self, text="修改商品", command=self.modify_goods).pack()
+        tk.Button(self, text="删除商品", command=self.delete_goods).pack()
+        tk.Button(self, text="卖出商品", command=self.sell_goods).pack()
+        tk.Button(self, text="统计信息", command=self.summary).pack()
+
+    def add_goods(self):
+        self.manager.add_goods(self.name_var.get(), self.num_var.get(), self.primecost_var.get(),
+                               self.sellingprice_var.get())
+
+    def show_goods(self):
+        goods_list = self.manager.show_goods()
+        messagebox.showinfo("商品列表", "\n".join(goods_list))
+
+    def modify_goods(self):
+        self.manager.modify_goods(self.name_var.get(), self.num_var.get(), self.primecost_var.get(),
+                                  self.sellingprice_var.get())
+
+    def delete_goods(self):
+        self.manager.delete_goods(self.name_var.get())
+
+    def sell_goods(self):
+        self.manager.sell_goods(self.name_var.get(), self.num_var.get())
+
+    def summary(self):
+        total_primecost, total_sellingprice, profit = self.manager.summary()
+        messagebox.showinfo("统计信息", f"进货总价：{total_primecost}\n销售总价：{total_sellingprice}\n利润：{profit}")
+
+if __name__ == '__main__':
+    app = MainFrame()
+    app.mainloop()