websocket 测试
npm install -g wscat
wscat -l 8888
wscat -c ws://127.0.0.1:8888
const WebSocket = require('ws'); const ws = new WebSocket.Server({port: 8777}); ws.on('connection', function connection(ws) { setInterval(() => { const random = Math.floor(Math.random() * Math.floor(100)); // 返回给 amis 的数据 const data = { random }; // 发送前需要转成字符串 ws.send(JSON.stringify(data)); }, 500); });
npm i ws
npm start