Discord.js音乐机器人报错：GatewayIntentBits未定义，求修复方案

错误原因 #

你的代码中导入了Intents对象，但使用了未声明的GatewayIntentBits——这是Discord.js版本差异导致的：

• Discord.js v13 中，意图常量通过Intents.FLAGS访问
• Discord.js v14 中，意图常量被移至GatewayIntentBits对象

修复方案 #

根据你使用的Discord.js版本选择对应方案：

方案1：适配Discord.js v14版本 #

修改导入语句，替换Intents为GatewayIntentBits，并修正login方法参数：

const { Client, GatewayIntentBits } = require('discord.js');
const ytdl = require('ytdl-core');
const ytSearch = require('youtube-search');

const token = 'xxxxxxxxxxxxxxxxxxxx'; // ds token

const client = new Client({
  intents: [
    GatewayIntentBits.GUILDS,
    GatewayIntentBits.GUILD_MESSAGES,
    GatewayIntentBits.GUILD_VOICE_STATES,
    GatewayIntentBits.GUILD_MESSAGE_REACTIONS,
  ]
});

const opts = {
  maxResults: 5,
  key: 'xxxxxxxxxxxxxxxxxxxxxxxx',  // youtube api
  type: 'video',
};

let dispatcher = null;
let repeat = false;

client.once('ready', () => {
  console.log('Bot is online!');
});

client.on('messageCreate', async (message) => {
  if (message.author.bot) return;

  const voiceChannel = message.member.voice.channel;

  if (message.content.startsWith('!play')) {
    if (!voiceChannel) {
      return message.channel.send('Вы должны находиться в голосовом канале, чтобы проиграть музыку!');
    }

    const searchQuery = message.content.replace('!play', '').trim();

    try {
      const results = await ytSearch(searchQuery, opts);
      const videoURL = results[0].link;
      const connection = await voiceChannel.join();
      const stream = ytdl(videoURL, { filter: 'audioonly' });
      dispatcher = connection.play(stream, { seek: 0, volume: 1 });

      dispatcher.on('finish', () => {
        if (repeat) {
          dispatcher = connection.play(stream, { seek: 0, volume: 1 });
        } else {
          voiceChannel.leave();
          dispatcher = null;
        }
      });
    } catch (error) {
      console.error(error);
      message.channel.send('Произошла ошибка при воспроизведении музыки!');
    }
  }

  if (message.content === '!stop') {
    if (!voiceChannel) return message.channel.send('Вы должны находиться в голосовом канале!');
    if (dispatcher) {
      dispatcher.end();
      dispatcher = null;
      voiceChannel.leave();
    }
  }

  if (message.content === '!skip') {
    if (dispatcher) {
      dispatcher.end();
      dispatcher = null;
    }
  }

  if (message.content === '!repeat') {
    repeat = !repeat;
    message.channel.send(`Режим повтора воспроизведения: ${repeat ? 'Включен' : 'Выключен'}`);
  }

});

client.login(token);

方案2：适配Discord.js v13版本 #

保留Intents导入，将意图常量改为Intents.FLAGS前缀：

const { Client, Intents } = require('discord.js');
const ytdl = require('ytdl-core');
const ytSearch = require('youtube-search');

const token = 'xxxxxxxxxxxxxxxxxxxx'; // ds token

const client = new Client({
  intents: [
    Intents.FLAGS.GUILDS,
    Intents.FLAGS.GUILD_MESSAGES,
    Intents.FLAGS.GUILD_VOICE_STATES,
    Intents.FLAGS.GUILD_MESSAGE_REACTIONS,
  ]
});

// 后续代码与方案1一致，需将client.login(xxxxxxxxxxxxxxxx);改为client.login(token);

额外修复说明 #

• 修正client.login参数，使用定义好的token变量避免硬编码错误
• 在!stop命令中增加语音频道判断，防止用户不在频道时出现undefined错误

内容的提问来源于stack exchange，提问作者Belenciuc Nichita