1:安装插件npm i ws -S
2:直接用就好啦,send是向后台传输数据
import React from "react";
export default function Ws(props) {
let ws = new WebSocket("ws://localhost:8181")
ws.onopen = function () {
console.log('已连接');
ws.send("发送数据")
}
ws.onmessage = function (evt) {
let received_msg = evt.data
console.log('received_msg', received_msg);
}
ws.onclose = function () {
console.log('连接已关闭...');
}
return (
<div>
</div>
)
}