discord.py 交互式按钮开发指南：规避常见错误与数据传递策略

import discord

# 假设 client 和 tree 已经初始化

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

    @discord.ui.button(label="Yes", style=discord.ButtonStyle.success)
    async def agree_btn(self, interaction: discord.Interaction, button: discord.ui.Button, user: discord.Member):
        # 这里的 user 参数是导致错误的原因
        embed_agree = discord.Embed(title=f'{user.mention} answered YES', description=f'{user.mention} now married to {interaction.user.mention}')
        await interaction.response.send_message(embed=embed_agree)

# ... 其他按钮和命令代码

async def callback_function(self, interaction: discord.Interaction, button: discord.ui.Button):
    # 在这里处理交互逻辑
    pass

import discord
from discord.ext import commands

# 假设 client 和 tree 已经初始化
# client = commands.Bot(command_prefix='!', intents=discord.Intents.all())
# tree = discord.app_commands.CommandTree(client)

class MarryButtons(discord.ui.View):
    def __init__(self, proposer: discord.Member, target_user: discord.Member):
        """
        初始化 MarryButtons 视图。
        Args:
            proposer: 发起求婚的用户。
            target_user: 被求婚的用户。
        """
        super().__init__(timeout=180) # 设置视图超时时间，例如 180 秒（3分钟）
        self.proposer = proposer
        self.target_user = target_user

    async def on_timeout(self):
        # 视图超时时执行的操作
        # 尝试编辑原消息，移除按钮，避免用户继续点击
        try:
            # interaction.message 是触发视图的消息
            await self.message.edit(content="求婚请求已超时。", view=None)
        except discord.HTTPException:
            pass # 消息可能已被删除或无法编辑

    @discord.ui.button(label="Yes", style=discord.ButtonStyle.success)
    async def agree_btn(self, interaction: discord.Interaction, button: discord.ui.Button):
        # 确保只有被求婚者才能点击“Yes”
        if interaction.user != self.target_user:
            await interaction.response.send_message("你不能替别人做决定！", ephemeral=True)
            return

        embed_agree = discord.Embed(
            title="恭喜！?",
            description=f'{self.target_user.mention} 同意了 {self.proposer.mention} 的求婚，他们现在结婚了！',
            color=discord.Color.green()
        )
        # 编辑原消息，更新嵌入内容并移除按钮
        await interaction.response.edit_message(embed=embed_agree, view=None)
        self.stop() # 停止视图，释放资源

    @discord.ui.button(label="No", style=discord.ButtonStyle.danger)
    async def disagree_btn(self, interaction: discord.Interaction, button: discord.ui.Button):
        # 确保只有被求婚者才能点击“No”
        if interaction.user != self.target_user:
            await interaction.response.send_message("你不能替别人做决定！", ephemeral=True)
            return

        embed_disagree = discord.Embed(
            title="很遗憾...",
            description=f'{self.target_user.mention} 拒绝了 {self.proposer.mention} 的求婚。',
            color=discord.Color.red()
        )
        await interaction.response.edit_message(embed=embed_disagree, view=None)
        self.stop()

    @discord.ui.button(label="?", style=discord.ButtonStyle.gray, emoji="?") # 可以添加emoji
    async def emoji_btn(self, interaction: discord.Interaction, button: discord.ui.Button):
        # 确保只有被求婚者才能点击此按钮
        if interaction.user != self.target_user:
            await interaction.response.send_message("你不能替别人做决定！", ephemeral=True)
            return

        embed_emoji = discord.Embed(
            title="求婚被取消",
            description=f'{self.target_user.mention} 取消了 {self.proposer.mention} 的求婚提议。',
            color=discord.Color.light_gray()
        )
        await interaction.response.edit_message(embed=embed_emoji, view=None)
        self.stop()

# 假设 client 是你的 Bot 实例
# @client.event
# async def on_ready():
#     print(f'Logged in as {client.user}')
#     await tree.sync() # 同步斜杠命令

# 命令部分
@client.tree.command(name='marry', description="向某人求婚")
async def marry(interaction: discord.Interaction, user: discord.Member):
    # 避免和自己结婚
    if interaction.user == user:
        await interaction.response.send_message(content=f"{interaction.user.mention} 你不能和自己结婚 :(", ephemeral=True)
        return

    embed_marry = discord.Embed(
        title='浪漫时刻！',
        description=f'{interaction.user.mention} 向 {user.mention} 求婚了！',
        color=0x774dea
    )

    # 实例化视图时传入求婚者 (interaction.user) 和被求婚者 (user)
    # 这里的 view 实例会被绑定到发送的消息上
    view = MarryButtons(interaction.user, user)
    await interaction.response.send_message(embed=embed_marry, view=view)
    # 将发送的消息对象保存到视图实例中，以便 on_timeout 可以访问
    view.message = await interaction.original_response()