f commit

warehouse_gui.py

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+class Warehouse:
+    def __init__(self):
+        # 使用字典存储商品及其库存，键为商品名称，值为库存数量
+        self.inventory = {}
+
+    def add_item(self, item_name, quantity):
+        """添加商品到仓库"""
+        if item_name in self.inventory:
+            self.inventory[item_name] += quantity
+        else:
+            self.inventory[item_name] = quantity
+        print(f"已添加 {quantity} 个 {item_name} 到仓库。")
+
+    def remove_item(self, item_name, quantity):
+        """从仓库移除商品"""
+        if item_name not in self.inventory:
+            print(f"{item_name} 不在仓库中。")
+            return
+
+        if self.inventory[item_name] < quantity:
+            print(f"库存不足，当前 {item_name} 只有 {self.inventory[item_name]} 个。")
+            return
+
+        self.inventory[item_name] -= quantity
+        if self.inventory[item_name] == 0:
+            del self.inventory[item_name]
+        print(f"已从仓库移除 {quantity} 个 {item_name}。")
+
+    def update_stock(self, item_name, new_quantity):
+        """更新商品的库存量"""
+        if item_name not in self.inventory:
+            print(f"{item_name} 不在仓库中，无法更新。")
+            return
+
+        self.inventory[item_name] = new_quantity
+        print(f"{item_name} 的库存已更新为 {new_quantity}。")
+
+    def check_stock(self, item_name=None):
+        """查询单个或所有商品的库存"""
+        if item_name is None:
+            # 打印所有库存
+            for item, quantity in self.inventory.items():
+                print(f"{item}: {quantity}")
+        elif item_name in self.inventory:
+            print(f"{item_name} 的库存为: {self.inventory[item_name]}")
+        else:
+            print(f"{item_name} 不在仓库中。")
+
+
+# 示例使用
+if __name__ == "__main__":
+    warehouse = Warehouse()
+    warehouse.add_item("苹果", 100)
+    warehouse.add_item("香蕉", 150)
+    warehouse.check_stock()  # 查看所有库存
+    warehouse.remove_item("苹果", 30)
+    warehouse.update_stock("香蕉", 200)
+    warehouse.check_stock("苹果")  # 查询特定商品库存t("Invalid choice. Please try again.")
+import tkinter as tk
+from tkinter import ttk
+from tkinter import messagebox
+
+class WarehouseGUI:
+    def __init__(self, master):
+        self.master = master
+        master.title("仓库管理系统")
+
+        # 初始化仓库类
+        self.warehouse = Warehouse()
+
+        # 商品名称输入框
+        self.item_label = tk.Label(master, text="商品名称:")
+        self.item_label.pack()
+        self.item_entry = tk.Entry(master)
+        self.item_entry.pack()
+
+        # 库存数量输入框
+        self.quantity_label = tk.Label(master, text="库存数量:")
+        self.quantity_label.pack()
+        self.quantity_entry = tk.Entry(master)
+        self.quantity_entry.pack()
+
+        # 操作选择下拉菜单
+        self.operation_var = tk.StringVar(value="添加商品")
+        self.operation_menu = tk.OptionMenu(master, self.operation_var, "添加商品", "减少库存", "更新库存", "查看库存")
+        self.operation_menu.pack()
+
+        # 执行按钮
+        self.execute_button = tk.Button(master, text="执行", command=self.execute_operation)
+        self.execute_button.pack()
+        self.tree = ttk.Treeview(master, columns=("Item", "Quantity"), show="headings")
+        self.tree.column("Item", width=100)
+        self.tree.column("Quantity", width=50)
+        self.tree.heading("Item", text="商品名称")
+        self.tree.heading("Quantity", text="库存数量")
+        self.tree.pack()
+
+        # 初始化时显示所有库存
+        self.update_treeview()
+
+        # 执行按钮的command修改为更新Treeview后再执行原操作
+        self.execute_button.config(command=lambda: (self.update_treeview(), self.execute_operation()))
+
+    def update_treeview(self):
+        """更新Treeview显示最新的库存信息"""
+        self.tree.delete(*self.tree.get_children())  # 清空现有内容
+        for item, quantity in self.warehouse.inventory.items():
+            self.tree.insert("", "end", values=(item, quantity))
+    def execute_operation(self):
+        operation = self.operation_var.get()
+        item_name = self.item_entry.get()
+        try:
+            quantity = int(self.quantity_entry.get())
+        except ValueError:
+            messagebox.showerror("错误", "库存数量必须是整数！")
+            return
+
+        if operation == "添加商品":
+            self.warehouse.add_item(item_name, quantity)
+        elif operation == "减少库存":
+            self.warehouse.remove_item(item_name, quantity)
+        elif operation == "更新库存":
+            self.warehouse.update_stock(item_name, quantity)
+        elif operation == "查看库存":
+            if item_name:
+                self.show_stock(item_name)
+            else:
+                self.show_all_stock()
+
+    def show_stock(self, item_name):
+        stock = self.warehouse.check_stock(item_name)
+        messagebox.showinfo(f"{item_name} 的库存", f"{stock}")
+
+    def show_all_stock(self):
+        stock_info = "\n".join([f"{item}: {quantity}" for item, quantity in self.warehouse.inventory.items()])
+        messagebox.showinfo("所有库存", stock_info)
+
+def main():
+    root = tk.Tk()
+    app = WarehouseGUI(root)
+    root.mainloop()
+
+if __name__ == "__main__":
+    main()