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Merge branch 'frontendtest'

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ZhuangYumin
2023-11-28 15:40:24 +00:00
parent 728170683c 1c5751da88
commit ad155603ba
4 changed files with 292 additions and 2 deletions
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45
frontend/index.html Normal file
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@ -0,0 +1,45 @@
<!DOCTYPE html>
<html>
<head>
<meta name="viewport" content="width=device-width,initial-scale=1.0">
<title>Socket.IO chat</title>
<style>
body { margin: 0; padding-bottom: 3rem; font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif; }
#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; }
#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; }
#messages > li:nth-child(odd) { background: #efefef; }
</style>
</head>
<body>
<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>
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', input.value);
input.value = '';
}
});
socket.on('chat message', (msg) => {
const item = document.createElement('li');
item.textContent = msg;
messages.appendChild(item);
window.scrollTo(0, document.body.scrollHeight);
});
</script>
</body>
</html>

28
frontend/index.js
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@ -0,0 +1,28 @@
const express = require('express');
const { createServer } = require('node:http');
const { join } = require('node:path');
const { Server } = require('socket.io');
const app = express();
const server = createServer(app);
const io = new Server(server);
app.get('/', (req, res) => {
res.sendFile(join(__dirname, 'index.html'));
});
io.on('connection', (socket) => {
console.log('a user connected');
socket.on('disconnect', () => {
console.log('user disconnected');
});
socket.on('chat message', (msg) => {
console.log('message: ' + msg);
socket.emit('chat message', '[self]'+msg);
socket.broadcast.emit('chat message', '[other]'+msg);
});
});
server.listen(3000, () => {
console.log('server running at http://localhost:3000');
});

218
frontend/package-lock.json generated
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@ -9,7 +9,34 @@
"version": "0.0.0.1", "version": "0.0.0.1",
"license": "ISC", "license": "ISC",
"dependencies": { "dependencies": {
"express": "^4.18.2" "express": "^4.18.2",
"socket.io": "^4.7.2"
}
},
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},
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"dependencies": {
"object-assign": "^4",
"vary": "^1"
},
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@ -156,6 +203,63 @@
"node": ">= 0.8" "node": ">= 0.8"
} }
}, },
"node_modules/engine.io": {
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"accepts": "~1.3.4",
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"cors": "~2.8.5",
"debug": "~4.3.1",
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"ws": "~8.11.0"
},
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"dependencies": {
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},
"node_modules/escape-html": { "node_modules/escape-html": {
"version": "1.0.3", "version": "1.0.3",
"resolved": "https://registry.npmjs.org/escape-html/-/escape-html-1.0.3.tgz", "resolved": "https://registry.npmjs.org/escape-html/-/escape-html-1.0.3.tgz",
@ -423,6 +527,14 @@
"node": ">= 0.6" "node": ">= 0.6"
} }
}, },
"node_modules/object-assign": {
"version": "4.1.1",
"resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
"integrity": "sha512-rJgTQnkUnH1sFw8yT6VSU3zD3sWmu6sZhIseY8VX+GRu3P6F7Fu+JNDoXfklElbLJSnc3FUQHVe4cU5hj+BcUg==",
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"resolved": "https://registry.npmjs.org/object-inspect/-/object-inspect-1.13.1.tgz", "resolved": "https://registry.npmjs.org/object-inspect/-/object-inspect-1.13.1.tgz",
@ -601,6 +713,85 @@
"url": "https://github.com/sponsors/ljharb" "url": "https://github.com/sponsors/ljharb"
} }
}, },
"node_modules/socket.io": {
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"socket.io-adapter": "~2.5.2",
"socket.io-parser": "~4.2.4"
},
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3
frontend/package.json
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@ -11,6 +11,7 @@
"license": "ISC", "license": "ISC",
"type": "commonjs", "type": "commonjs",
"dependencies": { "dependencies": {
"express": "^4.18.2" "express": "^4.18.2",
"socket.io": "^4.7.2"
} }
} }