问题描述
有没有办法让机器人在继续代码之前等待一段时间(例如 5 秒)?我需要类似的东西:
Is there any way to make a bot wait for some time (for example 5 seconds) before continuing the code? I need something like:
client.on('messageCreate', message => {
message.channel.send('1st message')
wait(5000)
message.channel.send('2nd message')
wait(5000)
message.channel.send('3rd message')
})
我尝试使用 setInterval，就像许多人建议的那样，但这似乎不是我的解决方案.我也不能使用 await setTimeout(time) 因为 SyntaxError: await 仅在异步函数和模块的顶层主体中有效 和 TypeError [ERR_INVALID_CALLBACK]:回调必须是一个函数.收到5000
I tried using setInterval, like many people suggest, but that doesn't seem to be a solution for me.
Also I can't use await setTimeout(time) because of SyntaxError: await is only valid in async functions and the top level bodies of modules and TypeError [ERR_INVALID_CALLBACK]: Callback must be a function. Received 5000
推荐答案
你可以promisify setTimeout 与 Node 的 Util 库.然后使 messageCreate 回调异步.
You can promisify setTimeout with Node's Util library. Then make the messageCreate callback asynchronous.
const wait = require('util').promisify(setTimeout);
client.on('messageCreate', async message => {
message.channel.send('1st message')
await wait(5000)
message.channel.send('2nd message')
await wait(5000)
message.channel.send('3rd message')
})
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