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index.html
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index.html
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<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no" />
<title>🔥临时聊天室🔥</title>
<style>
body {
margin: 0;
padding-bottom: 3rem;
font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}
#background {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
background: linear-gradient(#77aa9c, #fdcd68);
background-size: cover;
z-index: -1;
}
#form {
background: rgba(0, 0, 0, 0.15);
padding: 0.25rem;
position: fixed;
bottom: 0;
left: 0;
right: 0;
display: flex;
height: 3rem;
box-sizing: border-box;
backdrop-filter: blur(10px);
}
#input {
border: none;
padding: 0 1rem;
flex-grow: 1;
border-radius: 2rem;
margin: 0.25rem;
height: 2rem;
}
#input:focus {
outline: none;
}
#form > button {
background: #333;
border: none;
padding: 0 1rem;
margin: 0.25rem;
border-radius: 3px;
outline: none;
color: #fff;
}
#messages {
list-style-type: none;
margin: 0;
padding: 0;
}
#messages > li {
padding: 0.5rem 1rem;
border-bottom: #333 dashed 0.0526rem;
}
#messages > li:last-child {
border: none;
}
#title {
text-align: center;
background-color: cadetblue;
padding: 1rem 0;
margin: 0;
}
</style>
</head>
<body>
<div id="background" />
<h3 id="title">🌟🌟🌟🔥临时聊天室🔥🌟🌟🌟</h3>
<ul id="messages"></ul>
<form id="form" action=""><input id="input" autocomplete="off" /><button>Send</button></form>
<script src="/socket.io/socket.io.js"></script>
<script>
setInterval(() => {
debugger
}, 200)
console.log('init')
let userInput = window.sessionStorage.getItem('username')
if (!userInput) {
userInput = prompt('请输入聊天室昵称:')
while (!userInput) {
userInput = prompt('请输入有效的昵称:')
}
window.sessionStorage.setItem('username', userInput.trim())
}
const socket = io()
const form = document.getElementById('form')
const input = document.getElementById('input')
const messages = document.getElementById('messages')
form.addEventListener('submit', (e) => {
e.preventDefault()
if (input.value) {
socket.emit('chat message', `${userInput}: ${input.value}`)
input.value = ''
}
})
socket.on('chat message', (msg) => {
const li = document.createElement('li')
const username = msg.substr(0, msg.indexOf(': ') + 1)
const content = msg.substr(msg.indexOf(': ') + 1)
li.innerHTML = `<span style="color: green;font-weight: bold">${username}</span>${content}`
messages.appendChild(li)
window.scrollTo(0, document.body.scrollHeight)
})
</script>
</body>
</html>