Discord.py|避免同一用户对机器人发送的消息做出不止一种反应 [英] Discord.py | Avoid getting more than one reaction by a same user to a message sent by a bot

问题描述

我正在尝试制作一个命令，它将发送一个嵌入的命令，它有两个反应，一个勾号和一个十字，我想让用户只对其中一个反应做出反应，而不是对这两个反应都做出反应。我还需要一些帮助来制定一个系统，以确保做出反应的人具有特定的角色。如有任何帮助，将不胜感激！

推荐答案

使用on_raw_reaction_add()事件可以做到这一点。

@bot.event
async def on_raw_reaction_add(payload): # checks whenever a reaction is added to a message
                                        # whether the message is in the cache or not

     # check which channel the reaction was added in
    if payload.channel_id == 112233445566778899:

        channel = await bot.fetch_channel(payload.channel_id)
        message = await channel.fetch_message(payload.message_id)

        # iterating through each reaction in the message
        for r in message.reactions:

            # checks the reactant isn't a bot and the emoji isn't the one they just reacted with
            if payload.member in await r.users().flatten() and not payload.member.bot and str(r) != str(payload.emoji):

                # removes the reaction
                await message.remove_reaction(r.emoji, payload.member)

---

引用：

• on_raw_reaction_add()
• Message.remove_reaction()
• Reaction.users()
• User.bot
• RawReactionActionEvent-(负载)
• Message.reactions
• Client.fetch_channel()
• TextChannel.fetch_message()

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