python
class MilkCandySoftware:
def init(self):

    # 初始化奶糖库存和原材料
    self.inventory = {
        "plain_milk_candy": 50,
        "strawberry_milk_candy": 30,
        "chocolate_milk_candy": 20
    }
    self.ingredients = {
        "milk_powder": 100,  # 单位：克
        "sugar": 80,
        "strawberry_flavor": 50,
        "chocolate_powder": 40
    }
    self.prices = {
        "plain_milk_candy": 0.5,
        "strawberry_milk_candy": 0.7,
        "chocolate_milk_candy": 0.8
    }
def display_menu(self):
    """显示主菜单"""
    print("\n=== 奶糖管理系统 ===")
    print("1. 查看库存")
    print("2. 制作奶糖")
    print("3. 销售奶糖")
    print("4. 查看原材料")
    print("5. 退出系统")
def display_inventory(self):
    """显示奶糖库存"""
    print("\n=== 奶糖库存 ===")
    for candy, quantity in self.inventory.items():
        print(f"{candy.replace('_', ' ').title()}: {quantity} 个")
def display_ingredients(self):
    """显示原材料库存"""
    print("\n=== 原材料库存 ===")
    for ingredient, quantity in self.ingredients.items():
        print(f"{ingredient.replace('_', ' ').title()}: {quantity} 克")
def make_candy(self, candy_type, quantity):
    """制作奶糖"""
    # 定义每种奶糖所需的原材料
    recipes = {
        "plain_milk_candy": {"milk_powder": 10, "sugar": 5},
        "strawberry_milk_candy": {"milk_powder": 12, "sugar": 6, "strawberry_flavor": 3},
        "chocolate_milk_candy": {"milk_powder": 15, "sugar": 7, "chocolate_powder": 4}
    }
    if candy_type not in recipes:
        print("无效的奶糖类型！")
        return False
    recipe = recipes[candy_type]
    # 检查原材料是否足够
    for ingredient, needed in recipe.items():
        if self.ingredients[ingredient] < needed * quantity:
            print(f"原材料不足！需要 {needed*quantity} 克 {ingredient.replace('_', ' ').title()}，但只有 {self.ingredients[ingredient]} 克")
            return False
    # 扣除原材料
    for ingredient, needed in recipe.items():
        self.ingredients[ingredient] -= needed * quantity
    # 增加奶糖库存
    self.inventory[candy_type] += quantity
    print(f"成功制作 {quantity} 个 {candy_type.replace('_', ' ').title()}！")
    return True
def sell_candy(self, candy_type, quantity):
    """销售奶糖"""
    if candy_type not in self.inventory:
        print("无效的奶糖类型！")
        return False
    if self.inventory[candy_type] < quantity:
        print(f"库存不足！只有 {self.inventory[candy_type]} 个 {candy_type.replace('_', ' ').title()}")
        return False
    self.inventory[candy_type] -= quantity
    total_price = self.prices[candy_type] * quantity
    print(f"成功销售 {quantity} 个 {candy_type.replace('_', ' ').title()}，收入 {total_price:.2f} 元")
    return True
def run(self):
    """运行主程序"""
    while True:
        self.display_menu()
        choice = input("请选择操作 (1-5): ")
        if choice == "1":
            self.display_inventory()
        elif choice == "2":
            print("\n=== 制作奶糖 ===")
            print("可选类型: plain_milk_candy, strawberry_milk_candy, chocolate_milk_candy")
            candy_type = input("请输入奶糖类型: ").lower()
            try:
                quantity = int(input("请输入制作数量: "))
                if quantity <= 0:
                    print("数量必须大于0！")
                    continue
                self.make_candy(candy_type, quantity)
            except ValueError:
                print("请输入有效的数字！")
        elif choice == "3":
            print("\n=== 销售奶糖 ===")
            print("可选类型: plain_milk_candy, strawberry_milk_candy, chocolate_milk_candy")
            candy_type = input("请输入奶糖类型: ").lower()
            try:
                quantity = int(input("请输入销售数量: "))
                if quantity <= 0:
                    print("数量必须大于0！")
                    continue
                self.sell_candy(candy_type, quantity)
            except ValueError:
                print("请输入有效的数字！")
        elif choice == "4":
            self.display_ingredients()
        elif choice == "5":
            print("感谢使用奶糖管理系统，再见！")
            break
        else:
            print("无效的选择，请重新输入！")