[英]How do I check if the user specified a channel?
I'm trying to make a say command in a Discord bot where you specify a channel to send the message, and if you don't specify a channel it will send everything after the command(args 1+), otherwise it will send everything after the channel specified(args 2+)我正在尝试在 Discord 机器人中创建一个 say 命令,您可以在其中指定一个通道来发送消息,如果您没有指定一个通道,它将在命令之后发送所有内容(参数 1+),否则它将发送所有内容在指定的频道之后(参数 2+)
if(command === `${prefix}say`) {
if(!message.member.roles.has(`337402636015894528`)) return;
msg = args.slice(2).join(" ");
let channel = message.mentions.channels.first() || message.guild.channels.find("name", args[1]) || message.channel;
message.delete();
channel.send(msg);
}
This is the code I have, but the problem is that want to check if the user specified a channel, and if not, set msg equal to args.slice(1).join(" "), but I have no idea how to check if the user specified a channel.这是我的代码,但问题是要检查用户是否指定了频道,如果没有,将 msg 设置为等于 args.slice(1).join(" "),但我不知道如何检查用户是否指定了频道。 Does anybody know how?
有人知道怎么做吗? Thanks in advance.
提前致谢。
I figured out the solution, thank you all for your help.我想出了解决方案,谢谢大家的帮助。
let channel = message.mentions.channels.first() || message.guild.channels.find("name", args[1]);
if(!channel) {
channel = message.channel;
msg = args.slice(1).join(" ");
}
Tagging a channel in a message looks like this在消息中标记频道如下所示
<#channelid>
Example:例子:
<#316648154927938738>
So you can match against that.所以你可以匹配它。
Alternatively, the api does return mentioned channels in the message object .或者,api 确实返回消息对象中提到的通道。
So that can be used as well.这样也可以使用。
I haven't used discord.js, but I'm sure they offer a way of accessing that quite easily.我没有使用过 discord.js,但我确信它们提供了一种很容易访问的方法。
you can simply check if the args are a number with你可以简单地检查 args 是否是一个数字
if(isNaN(args[0])) {
// stuff
}
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