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javascript - bot 的用户名未定义

问题描述

我收到这个错误UnhandledPromiseRejectionWarning: TypeError: Cannot read property 'username' of undefined，这是由client.user.usernamein引起embed的.setFooter()。

module.exports = {
    name: 'suggest',
    aliases: ['sug', 'suggestion'],
    description: 'Suggest something for the Bot',
    execute(message, client, args) {
        const Discord = require('discord.js');
        const filter = m => m.author.id === message.author.id;

        message.channel.send(`Please provide a suggestion for the Bot or cancel this command with "cancel"!`)

        message.channel.awaitMessages(filter, { max: 1, })
            .then(async (collected) => {
                if (collected.first().content.toLowerCase() === 'cancel') {
                    message.reply("Your suggestion has been cancelled.")
                }
                else {
                    let embed = new Discord.MessageEmbed()
                        .setFooter(client.user.username, client.user.displayAvatarURL)
                        .setTimestamp()
                        .addField(`New Suggestion from:`, `**${message.author.tag}**`)
                        .addField(`New Suggestion:`, `${collected.first().content}`)
                        .setColor('0x0099ff');
                    client.channels.fetch("702825446248808519").send(embed)

                    message.channel.send(`Your suggestion has been filled to the staff team. Thank you!`)
                }
            })
    },
    catch(err) {
        console.log(err)
    }
};

标签： javascriptbotsdiscord.js

解决方案

根据您在这里的评论

尝试 { command.execute(message, args); } 捕捉（错误）{ 控制台.错误（错误）；message.reply('尝试执行该命令时出错！'); } });

您没有client进入execute()，您需要这样做。

您还需要使用awaitonchannels.fetch()因为它返回一个承诺，所以替换client.channels.fetch("702825446248808519").send(embed)为：

const channel = await client.channels.fetch("702825446248808519")
channel.send(embed)

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