Pycord动态处理多按钮：获取选中按钮ID并延续命令

问题背景 #

从Novus迁移至Pycord，需实现基于列表动态生成1到n个按钮的交互功能，核心需求是获取选中按钮的custom_id，并将该ID用于后续命令逻辑。

遇到的问题 #

• DefaultView的callback完全不触发，交互界面显示“This interaction failed”
• 给DefaultButton添加callback后，交互不再报错，但无法回到主命令继续执行，仅超时功能可正常在默认180秒后禁用所有按钮

初始代码 #

@bot.slash_command(name='bombs', description='Returns bombs to destroy base and airfield.')
async def bomb(ctx):
    await ctx.interaction.response.defer()
    countries = ["America", "Britain", "China", "France", "Germany", "Italy", "Japan", "Russia", "Sweden"]

    view = DefaultView()
    for number in list(range(1, len(countries) + 1)):
        view.add_item(DefaultButton(label=str(number), custom_id=str(number)))
    country_choice_message = await ctx.interaction.followup.send("Select a country to view bombs from:", view=view)

    timed_out_ = await view.wait()
    if timed_out_:
        view.disable_all_items()
        view.stop()
        await country_choice_message.edit(view=view)
        await ctx.interaction.followup.send("Timed out.", ephemeral=True)
        return

    # country_number = button_custom_id
    # do other stuff with country_number...


class DefaultButton(discord.ui.Button):
    def __init__(self, custom_id, *args, **kwargs):
        super().__init__(*args, **kwargs)
        self.custom_id = custom_id


class DefaultView(discord.ui.View):
    def __init__(self):
        super().__init__()

    async def callback(self, button: discord.ui.Button, interaction: discord.Interaction):
        self.disable_all_items()
        self.stop()
        await interaction.response.defer()
        await interaction.edit_original_message(view=self)

添加按钮回调后的代码 #

class DefaultButton(discord.ui.Button):
    def __init__(self, custom_id, *args, **kwargs):
        super().__init__(*args, **kwargs)
        self.custom_id = custom_id

    async def callback(self, interaction: discord.Interaction):
        self.custom_id = interaction.custom_id
        await interaction.response.defer()
        return

解决情况 #

查阅Stack Overflow相关帖子后，未解决动态按钮数量的适配问题，最终通过@Ice Wolfy的方案解决。

内容的提问来源于stack exchange，提问作者MrMetacom