[英]Running socket.io on a domain
我如何在域上运行 socket.io 因为我的代码适用于 localhost:3000 但不适用于域? 这是否必须以某种方式公开,以便可以在任何地方使用?
请帮我解决一下这个。 谢谢!
const socket = io("http://localhost:3000");
const messageContainer = document.getElementById('message-container')
const messageForm = document.getElementById('send-container')
const messageInput = document.getElementById('message-input')
const name = prompt('What is your name?')
appendMessage('You joined')
socket.emit('new-user', name)
socket.on('chat-message', data => {
appendMessage(`${data.name}: ${data.message}`)
})
socket.on('user-connected', name => {
appendMessage(`${name} connected`)
})
socket.on('user-disconnected', name => {
appendMessage(`${name} disconnected`)
})
messageForm.addEventListener('submit', e => {
e.preventDefault()
const message = messageInput.value
appendMessage(`You: ${message}`)
socket.emit('send-chat-message', message)
messageInput.value = ''
})
function appendMessage(message) {
const messageElement = document.createElement('div')
messageElement.innerText = message
messageContainer.append(messageElement)
}
const io = require('socket.io')(3000, {
cors: {
origin: "*",
},
});
console.log("Port 3000")
const users = {}
io.on('connection', socket => {
socket.on('new-user', name => {
users[socket.id] = name
socket.broadcast.emit('user-connected', name)
})
socket.on('send-chat-message', message => {
socket.broadcast.emit('chat-message', { message: message, name: users[socket.id] })
})
socket.on('disconnect', () => {
socket.broadcast.emit('user-disconnected', users[socket.id])
delete users[socket.id]
})
})
将端口更改为 80(如果您使用 http)或 443(如果您使用 https)
const io = require('socket.io')(80, {
cors: {
origin: "*",
},
});
--
const socket = io("http://website.com:80");
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