\u4f7f\u7528 Node.js \u521b\u5efa\u4e00\u4e2a WebSocket \u670d\u52a1\u5668\u76f8\u5bf9\u7b80\u5355\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528\u00a0ws\u00a0\u5e93，\u8fd9\u662f\u4e00\u4e2a\u6d41\u884c\u7684 WebSocket \u5b9e\u73b0\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u57fa\u672c\u7684\u6b65\u9aa4\u6765\u521b\u5efa\u4e00\u4e2a WebSocket \u670d\u52a1\u5668：<\/p>\n
1.\u521d\u59cb\u5316 Node.js \u9879\u76ee： \u9996\u5148，\u4f60\u9700\u8981\u4e00\u4e2a Node.js \u9879\u76ee\u3002\u5982\u679c\u4f60\u8fd8\u6ca1\u6709\u9879\u76ee，\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u76ee\u5f55\u5e76\u521d\u59cb\u5316\u4e00\u4e2a\u65b0\u7684 Node.js \u9879\u76ee\u3002<\/p>\n
\/\/cmd
\nmkdir websocket-server \/\/\u521b\u5efawebsocket-server\u6587\u4ef6\u5939
\ncd websocket-server \/\/\u8fdb\u5165websocket-server\u6587\u4ef6\u5939
\nnpm init -y <\/p>\n
2.\u5b89\u88c5\u00a0ws\u00a0\u5e93： \u4f7f\u7528 npm \u5b89\u88c5\u00a0ws\u00a0\u5e93\u3002<\/p>\n
\/\/cmd
\nnpm install ws \/\/\u5728websocket-server\u9879\u76ee\u4e2d\u5b89\u88c5ws <\/p>\n
3.\u521b\u5efa WebSocket \u670d\u52a1\u5668： \u5728\u9879\u76ee\u76ee\u5f55\u4e2d\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a\u00a0server.js\u00a0\u7684\u6587\u4ef6，\u5e76\u6dfb\u52a0\u4ee5\u4e0b\u4ee3\u7801\u6765\u521b\u5efa\u4e00\u4e2a WebSocket \u670d\u52a1\u5668\u3002<\/p>\n
\/\/javascript<\/p>\n
const WebSocket = require('ws'); <\/p>\n
\/\/ \u521b\u5efa\u4e00\u4e2a WebSocket \u670d\u52a1\u5668\u5b9e\u4f8b，\u76d1\u542c\u5728 8080 \u7aef\u53e3
\nconst wss = new WebSocket.Server({ port: 8080 }); <\/p>\n
\/\/ \u5f53\u6709\u65b0\u5ba2\u6237\u7aef\u8fde\u63a5\u65f6\u89e6\u53d1 connection \u4e8b\u4ef6
\nwss.on('connection', (ws) => {
\n console.log('\u65b0\u5ba2\u6237\u7aef\u5df2\u8fde\u63a5'); <\/p>\n
\/\/ \u63a5\u6536\u5ba2\u6237\u7aef\u6d88\u606f
\n ws.on('message', (message) => {
\n console.log(`\u6536\u5230\u6d88\u606f: ${message}`); <\/p>\n
\/\/ \u5411\u5ba2\u6237\u7aef\u53d1\u9001\u6d88\u606f
\n ws.send(`\u670d\u52a1\u5668\u5df2\u6536\u5230\u6d88\u606f: ${message}`);
\n }); <\/p>\n
\/\/ \u5904\u7406\u5ba2\u6237\u7aef\u65ad\u5f00\u8fde\u63a5
\n ws.on('close', () => {
\n console.log('\u5ba2\u6237\u7aef\u5df2\u65ad\u5f00\u8fde\u63a5');
\n }); <\/p>\n
\/\/ \u5904\u7406\u9519\u8bef
\n ws.on('error', (error) => {
\n console.error(`WebSocket \u9519\u8bef: ${error}`);
\n });
\n}); <\/p>\n
console.log('WebSocket \u670d\u52a1\u5668\u6b63\u5728\u8fd0\u884c\u5728 ws:\/\/localhost:8080'); <\/p>\n
4.\u8fd0\u884c\u670d\u52a1\u5668： \u5728\u7ec8\u7aef\u4e2d\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u6765\u542f\u52a8 WebSocket \u670d\u52a1\u5668\u3002<\/p>\n
\/\/cmd
\nnode server.js <\/p>\n
5.\u6d4b\u8bd5 WebSocket \u670d\u52a1\u5668： \u4f60\u53ef\u4ee5\u4f7f\u7528\u6d4f\u89c8\u5668\u63a7\u5236\u53f0\u6216\u53e6\u4e00\u4e2a WebSocket \u5ba2\u6237\u7aef（\u5982\u00a0websocat\u00a0\u6216\u00a0wscat）\u6765\u6d4b\u8bd5 WebSocket \u670d\u52a1\u5668\u3002<\/p>\n
\u5728\u6d4f\u89c8\u5668\u4e2d：\u6253\u5f00\u4f60\u7684\u6d4f\u89c8\u5668\u63a7\u5236\u53f0，\u7136\u540e\u8fd0\u884c\u4ee5\u4e0b\u4ee3\u7801：<\/p>\n
\/\/javascript<\/p>\n
const ws = new WebSocket('ws:\/\/localhost:8080'); <\/p>\n
ws.onopen = () => {
\n console.log('\u8fde\u63a5\u5230\u670d\u52a1\u5668');
\n ws.send('Hello, WebSocket!');
\n}; <\/p>\n
ws.onmessage = (event) => {
\n console.log(`\u6536\u5230\u670d\u52a1\u5668\u7684\u6d88\u606f: ${event.data}`);
\n}; <\/p>\n
ws.onclose = () => {
\n console.log('\u4e0e\u670d\u52a1\u5668\u65ad\u5f00\u8fde\u63a5');
\n}; <\/p>\n
ws.onerror = (error) => {
\n console.error(`WebSocket \u9519\u8bef: ${error}`);
\n}; <\/p>\n
\u00a0\u4f60\u5e94\u8be5\u4f1a\u770b\u5230\u6d4f\u89c8\u5668\u63a7\u5236\u53f0\u4e2d\u7684\u65e5\u5fd7，\u663e\u793a\u4e0e WebSocket \u670d\u52a1\u5668\u7684\u8fde\u63a5\u3001\u53d1\u9001\u548c\u63a5\u6536\u6d88\u606f\u3002<\/p>\n
\u901a\u8fc7\u4ee5\u4e0a\u6b65\u9aa4，\u4f60\u5c31\u6210\u529f\u521b\u5efa\u4e86\u4e00\u4e2a\u7b80\u5355\u7684 WebSocket \u670d\u52a1\u5668，\u5e76\u53ef\u4ee5\u901a\u8fc7\u5ba2\u6237\u7aef\u4e0e\u5176\u8fdb\u884c\u901a\u4fe1\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb1.7k\u6b21\uff0c\u70b9\u8d5e3\u6b21\uff0c\u6536\u85cf7\u6b21\u3002\u5982\u679c\u4f60\u8fd8\u6ca1\u6709\u9879\u76ee\uff0c\u53ef\u4ee5\u521b\u5efa\u4e00\u4e2a\u65b0\u7684\u76ee\u5f55\u5e76\u521d\u59cb\u5316\u4e00\u4e2a\u65b0\u7684 Node.js \u9879\u76ee\u3002\u5e93\uff0c\u8fd9\u662f\u4e00\u4e2a\u6d41\u884c\u7684 WebSocket \u5b9e\u73b0\u3002\u901a\u8fc7\u4ee5\u4e0a\u6b65\u9aa4\uff0c\u4f60\u5c31\u6210\u529f\u521b\u5efa\u4e86\u4e00\u4e2a\u7b80\u5355\u7684 WebSocket \u670d\u52a1\u5668\uff0c\u5e76\u53ef\u4ee5\u901a\u8fc7\u5ba2\u6237\u7aef\u4e0e\u5176\u8fdb\u884c\u901a\u4fe1\u3002\u4f60\u5e94\u8be5\u4f1a\u770b\u5230\u6d4f\u89c8\u5668\u63a7\u5236\u53f0\u4e2d\u7684\u65e5\u5fd7\uff0c\u663e\u793a\u4e0e WebSocket \u670d\u52a1\u5668\u7684\u8fde\u63a5\u3001\u53d1\u9001\u548c\u63a5\u6536\u6d88\u606f\u3002\u4f7f\u7528 Node.js \u521b\u5efa\u4e00\u4e2a WebSocket \u670d\u52a1\u5668\u76f8\u5bf9\u7b80\u5355\u3002\u7684\u6587\u4ef6\uff0c\u5e76\u6dfb\u52a0\u4ee5\u4e0b\u4ee3\u7801\u6765\u521b\u5efa\u4e00\u4e2a WebSocket \u670d\u52a1\u5668\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528\u6d4f\u89c8\u5668\u63a7\u5236\u53f0\u6216\u53e6\u4e00\u4e2a WebSocket \u5ba2\u6237\u7aef\uff08\u5982\u3002_nodejs websocket\u670d\u52a1\u5668\u642d\u5efa<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[186,947],"topic":[],"class_list":["post-26828","post","type-post","status-publish","format-standard","hentry","category-server","tag-node-js","tag-websocket"],"yoast_head":"\n