Discord.py v2中同时使用按钮与下拉菜单的问题求助

你不能把两个View实例放进列表传给view参数，因为Discord.py的send_message()方法要求view必须是单个discord.ui.View对象，列表类型不被支持，这就是两者一起用失效的核心原因。

有两种可行的方式把按钮和下拉菜单整合到同一个View中：

方法一：创建统一的HelpView类 #

直接把按钮和下拉选择菜单的定义放到同一个View类里，实例化一次就能同时包含两种组件：

import discord
from discord import app_commands
import random

class HelpView(discord.ui.View):
    def __init__(self, *, timeout=15):
        super().__init__(timeout=timeout)
        self.click = False

    # 下拉选择菜单
    @discord.ui.select(
        placeholder='Select a category',
        options=[
            discord.SelectOption(label='Guns', value="1", description='Dangerous Guns stolen from the government', emoji='<:golden_sniper:1123954953640218724>'),
            discord.SelectOption(label='Drugs', value="2", description='Drugs that can be used to get high', emoji='<:weed:1124062866505486356>'),
            discord.SelectOption(label='Swords', value="3", description='The Ancient Blades of Death', emoji='⚔️'),
        ]
    )
    async def select_option_callback(self, interaction: discord.Interaction, select: discord.ui.Select):
        if select.values[0] == "1":
            snack_embed = discord.Embed(title='Guns', description='Reload em', color=discord.Color.random())
            await interaction.response.edit_message(embed=snack_embed, view=self)
        elif select.values[0] == "2":
            snack_embed = discord.Embed(title='Drugs', description='Get High', color=discord.Color.random())
            await interaction.response.edit_message(embed=snack_embed, view=self)
        elif select.values[0] == "3":
            snack_embed = discord.Embed(title='Swords', description='Ancient Blades of Death', color=discord.Color.random())
            await interaction.response.edit_message(embed=snack_embed, view=self)

    # 按钮组件（保留原Rock按钮逻辑，可按需修改）
    @discord.ui.button(label="Rock🗿", style=discord.ButtonStyle.green, custom_id="easy")
    async def rock_button(self, interaction: discord.Interaction, child: discord.ui.Button):
        for child in self.children:
            child.disabled=True

        win_embed = discord.Embed(title="You win 🎉!", description="**Your Choice:** Rock🗿\n**Xynox Choice:** Scissors✂️", color=discord.Color.green())
        loss_embed = discord.Embed(title="You lose 😭!", description="**Your Choice:** Rock🗿\n**Xynox Choice:** Paper📄", color=discord.Color.red())
        tie_embed = discord.Embed(title="It's a tie 🤝!", description="**Your Choice:** Rock🗿\n**Xynox Choice:** Rock🗿", color=discord.Color.blurple())
        embed = random.choice([win_embed, loss_embed, tie_embed])
        await interaction.response.edit_message(embed=embed, view=self)

class Help(commands.Cog):
    def __init__(self, client):
        self.client = client

    @app_commands.command(name='help', description='Gives info about all the commands')
    async def help(self, interaction: discord.Interaction):
        embed = discord.Embed(title="Help", description="Use the dropdown to select a category", color=discord.Color.random())
        await interaction.response.send_message(embed=embed, view=HelpView())

方法二：合并已有View的组件 #

如果不想重构类，可以把一个View里的组件添加到另一个View中：

# 保留你原有的Buttons和categorySelect类不变
class help(commands.Cog):
    def __init__(self, client):
        self.client = client

    @app_commands.command(name='help', description='Gives info about all the commands')
    async def help(self, interaction: discord.Interaction):
        embed = discord.Embed(title="Help", description="Use the dropdown to select a category", color=discord.Color.random())
        # 创建主View实例
        main_view = discord.ui.View(timeout=15)
        # 添加下拉菜单组件
        category_menu = categorySelect()
        main_view.add_item(category_menu.children[0])
        # 添加按钮组件
        rock_button = Buttons()
        main_view.add_item(rock_button.children[0])
        # 发送消息
        await interaction.response.send_message(embed=embed, view=main_view)

1. 原代码中categorySelect类的继承需确保是discord.ui.View，若导入时用了from discord.ui import View则无需修改，否则要补全路径。
2. 下拉菜单回调里重复创建categorySelect()会导致每次选择后重置View，若想保留按钮，应使用当前的self而非新实例。

内容的提问来源于stack exchange，提问作者TalhaIqbal