nodejs-websocket地址：https://github.com/sitegui/nodejs-websocket#event-errorerr
安装nodejs-websocket：
npm install nodejs-websocketindex.html
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>websocket</title>
</head>
<body>
<h1>简单聊天室</h1>
<input id="sendTxt" type="text" />
<button id="sendBtn">发送</button>
<div id="recv"></div>
<script type="text/javascript">
var websocket = new WebSocket("ws://127.0.0.1:3000/demo2/wsServer.js");
function showMassage(str){
var div = document.createElement('div');
div.innerHTML = str;
document.body.appendChild(div);
}
websocket.onopen = function () {
console.log('websocket open');
document.getElementById("sendBtn").onclick = function () {
var txt = document.getElementById("sendTxt").value;
if(txt){
websocket.send(txt);
}
}
}
websocket.onclose = function () {
console.log('websocket close');
}
websocket.onmessage = function (e) {
console.log(e.data);
showMassage(e.data);
}
</script>
</body>
</html>
wsServer.js
var ws = require("nodejs-websocket")
var PORT = 3000
var clientCount = 0
// Scream server example: "hi" -> "HI!!!"
var server = ws.createServer(function (conn) {
console.log("New connection")
clientCount++;
conn.nickname = 'user' + clientCount;
broadcast(conn.nickname + 'comes in');
conn.on("text", function (str) {
console.log("Received "+str)
broadcast(conn.nickname + ':' + str);
})
conn.on("close", function (code, reason) {
console.log("Connection closed")
broadcast(conn.nickname + 'left');
})
conn.on("error", function (err) {
console.log("Hand error")
console.log(err)
})
}).listen(PORT)
console.log("WebSocket server listening on port " + PORT);
function broadcast(str){
server.connections.forEach(function(connection){
connection.sendText(str);
});
}
效果：
