需要安装 nodejs-Websocket
安装方法: https://www.npmjs.com/package/nodejs-websocket
服务端
var ws = require("nodejs-websocket");
console.log("开始建立连接...")
var game1 = null,game2 = null , game1Ready = false , game2Ready = false;
var server = ws.createServer(function(conn){
conn.on("text", function (str) {
if(str==="key1"){
game1 = conn;
game1Ready = true;
conn.sendText("success");
}
if(str==="key2"){
game2 = conn;
game2Ready = true;
}
if(game1Ready&&game2Ready){
game2.sendText(str);
game1.sendText(str);
}
conn.sendText(str)//发送给客户端消息
})
conn.on("close", function (code, reason) {
console.log("关闭连接")
});
conn.on("error", function (code, reason) {
console.log("异常关闭")
});
}).listen(8001)
console.log("WebSocket建立完毕")
客户端
<input id='msg'>第一次输入对方的key
<h1 οnclick='send()'>send</h1>
<script>
var wsServer = 'ws://127.0.0.1:8001';
var websocket = new WebSocket(wsServer);
websocket.onopen = function (evt) {//链接成功事件
console.log("Connected to WebSocket server.",'evt:'+evt);
};
websocket.onclose = function (evt) {//关闭链接事件
console.log("Disconnected",'evt:'+evt);
};
websocket.onmessage = function (evt) {//接收消息事件 服务端 sendText事件 触发此事件
console.log('Retrieved data from server: ' + evt.data);
};
websocket.onerror = function (evt, e) {//发生错误后的事件
console.log('Error occured: ' + evt.data);
};
console.log(websocket);
function send(){
let v = document.getElementById('msg').value;
websocket.send(v);//触发 服务端 message 事件
}
</script>