๐Ÿ˜Ž ๊ณต๋ถ€ํ•˜๋Š” ์ง•์ง•์•ŒํŒŒ์นด๋Š” ์ฒ˜์Œ์ด์ง€?

์›น์†Œ์ผ“์œผ๋กœ http ์— ์žˆ๋Š” ์œ ์ € ๋ฉ”์‹œ์ง€ ๋ณด๋‚ด๊ธฐ ๋ณธ๋ฌธ

๐Ÿ‘ฉ‍๐Ÿ’ป ๋ฐฑ์—”๋“œ(Back-End)/Nest js

์›น์†Œ์ผ“์œผ๋กœ http ์— ์žˆ๋Š” ์œ ์ € ๋ฉ”์‹œ์ง€ ๋ณด๋‚ด๊ธฐ

์ง•์ง•์•ŒํŒŒ์นด 2023. 6. 6. 23:09
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<๋ณธ ๋ธ”๋กœ๊ทธ๋Š” John Ahn ์˜ ์œ ํŠœ๋ธŒ๋ฅผ ์ฐธ๊ณ ํ•ด์„œ ๊ณต๋ถ€ํ•˜๋ฉฐ ์ž‘์„ฑํ•˜์˜€์Šต๋‹ˆ๋‹ค :-)>

=> ์˜ค๋Š˜์˜ ํ…Œํฌ์šฉ์–ด : ์›น์†Œ์ผ“์ด ๋ญ๋ƒ๋ฉด

 

๐Ÿซง ์›น์†Œ์ผ“์œผ๋กœ http ์— ์žˆ๋Š” ์œ ์ € ๋ฉ”์‹œ์ง€ ๋ณด๋‚ด๊ธฐ 

 

๐ŸŒฟ server.js

const express = require("express");
const app = express();

app.use("/", (req, res) => {
  res.sendFile(__dirname + "/index.html");
});

app.listen(8080);

// ์›น์†Œ์ผ“ ์—ฐ๊ฒฐ
const WebSocket = require("ws");
const socket = new WebSocket.Server({
  port: 8081,
});

// ์›น์†Œ์ผ“์œผ๋กœ ์˜ค๋Š” ์œ ์ € ๋ฉ”์‹œ์ง€ ๋ฐ›๊ธฐ
socket.on("connection", (ws, req) => {
  ws.on("message", (msg) => {
    console.log("User Message : " + msg);
    // ์›น์†Œ์ผ“์œผ๋กœ ์„œ๋ฒ„ -> ์œ ์ € ๋ฉ”์‹œ์ง€ ๋ณด๋‚ด๊ธฐ
    ws.send("fighting!!");
  });
});

 

๐ŸŒฟ index.html

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>์›น์†Œ์ผ“ ์‚ฌ์šฉํ•˜๊ธฐ</title>
</head>
<body>
    <h4>์ฑ„ํŒ… ํŽ˜์ด์ง€</h4>
    <button id="send" onclick="socket.send('gani')">๋ฉ”์‹œ์ง€ ๋ณด๋‚ด๊ธฐ</button>

    <script>
        // ์›น์†Œ์ผ“ ์—ด์–ด๋‹ฌ๋ผ๊ณ  ์„œ๋ฒ„์—๊ฒŒ ๋ถ€ํƒ
        let socket = new WebSocket("ws://localhost:8081");
    </script>
</body>
</html>
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