如何在 Discord.js 中创建“+提及”命令

How do I make a "+mention" command in Discord.js

如何为我的 bot 创建一个会提到某人的 discord 命令?

例如:

示例输入:+mention Gamer222

示例输出:@Gamer222#6478

我尝试过多种方法,例如:

if(command === "mention") {
   const sayMessage = args.join(" ");
   message.channel.send(`${sayMessage}`);
}

但它不起作用。

之前发布的问题答案:

if (command === "mention") {
  const sayMessage = args.join(" ");
  message.channel.send(client.users.find('username', sayMessage).toString());
}

或者这个:

if (command == "mention") {
   const sayMessage = message.mentions.users.first()
   if(!sayMessage) return message.channel.send("Please mention a user.")
   message.channel.send(`${sayMessage}`)
}