//服务器代码
let WebSocket = require('ws');
//
let server = new WebSocket.Server({port:3000});
let clients = []; //存入连入的客户端
server.on('connection',(client)=>{
client.id = clients.length;
clients.push(client); //将连入的客户端存入到数组中
// client.setEncoding('utf8');
client.on('message',(data)=>{
for(let i = 0 ; i < clients.length ; i++){
if( clients[i] ){ //不能少s
clients[i].send( data );//否则信息发不出去
}
}
})
// 退出登录
client.on('close',()=>{
clients[client.id] = null;
});
// 出错
client.on('error',()=>{
clients[client.id] = null;
})
})
//服务器代码
let http = require('http');
let urlStr = require('url');
let ejs = require('ejs');
let server = http.createServer((req,res)=>{
let pathname = urlStr.parse(req.url).pathname;
if(pathname==='/'){
ejs.renderFile('./index.ejs',(err,html)=>{
res.end(html);
})
}
}).listen(4000,()=>{
console.log('start')
})
<!--页面代码-->
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
</head>
<body>
<input type="text" id="txt">
<!-- <input type="file" id="txt" > -->
<input type="button" id="btn" value='提交'>
<div id="content"></div>
</body>
</html>
<script>
// let webScoket = new WebSocket('ws://127.0.0.1:3000');
let webScoket = new WebSocket('ws://10.9.157.60:8000');
let oIpt = document.getElementById('txt');
let oDiv = document.getElementById('content');
let oBtn = document.getElementById('btn');
oBtn.onclick =function(){
webScoket.send( oIpt.value );
}
webScoket.onmessage = (message)=>{
oDiv.innerHTML += message.data + "<br>";
}
</script>
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