与 socket.io 私聊 [英] private chat with socket.io

问题描述

我的聊天应用程序出现问题，我需要能够向特定用户发送私人消息，我能够选择该特定用户，但由于某种原因无法弄清楚如何发送私人消息留言.

I'm having trouble with my chat app, I need to be able to send a private message to a specific user, I was able to select that specific user but for some reason couldn't figure out how to send the private message.

你会在下面找到我的服务器的代码，请帮忙:

Below you will find the code for my server, please help:

var express = require('express');
var app = express();
var PORT = process.env.PORT || 8000;
var http = require('http').Server(app); // this is a node server that uses express as the boiler plate
var io = require('socket.io')(http); // socket! pass our server as a parameter to it


// use express static to expose a folder
app.use(express.static(__dirname + '/public'));

var users = [],
	connections = [];
var onlineClients = {};




// Register events on socket connection
io.on('connection', function(socket){ 
	connections.push(socket);
	// console.log("connected socket", connections);

	socket.on("disconnect", function() {
		users.splice(users.indexOf(socket.username), 1);
		updateUsernames();
		connections.splice(connections.indexOf(socket), 1);
		console.log("disconnected socket", connections.length)
	});

	socket.on("send message", function(data) {
		// console.log(data);
		io.emit("new message", {msg: data, user: socket.username});
	});


	socket.on("notify user", function(data) {
		io.emit("notify user", {user: socket.username})
	});


	socket.on("new user", function(data) {
		socket.username = data;
		users.push(socket.username);
		updateUsernames();

	});

	function updateUsernames() {
		io.emit("get users", users);
	};

	socket.on("private", function(data, recipientName) {
		var recipient = connections.filter(function (recipient) {
			return recipient.username === recipientName;
		})[0];
			console.log(recipient.id);
			console.log(data);
		io.sockets.socket(recipient.id).emit("received private msg", data);

	});


	// socket.on("create room", function(room) {
	// 	socket.join(room);
	// 	io.sockets.in(room).emit('event', "hey wusup am in this room");
	// 	console.log(socket);

	// })

});

http.listen(PORT, function(){
  console.log('Server started on port ' + PORT);
});

推荐答案

• 首先在聊天室添加用户，以便在您的私人聊天室中轻松找到用户

• 您加入私人房间的客户端代码

  • First add user in chat room so that will easy to find a user in your private chat room

  • Your client side code for join private room

    <input type="text" class="form-control" id="user_email" placeholder="user_email"  />
    <button text="join room" class="btn btn-primary btn-block" onclick="a();"> Join Room</button>
    

  • 您在客户端的 javascript 代码

  • your javascript code in client side

    function a(){
        io.emit('privatechatroom', {email:document.getElementById('user_email').value});
    }
    

  • 用于在房间中添加用户的服务器端代码

  • your server side code to add user in your room

    socket.on('privatechatroom',function(data){
        socket.join(data.email);
        io.emit('res',{mes:"you are added"})
    });
    

  现在您可以向最近添加到此房间的人发送私人消息客户端

  now u can send private message to that person that is recently addedd to this room client side

  function b() {
      io.emit('sendmail', { email: document.getElementById('sender_mail').value, message: document.getElementById('message').value });
      $('#message').val('');
  }
  

  /*serverside code*/
  socket.on('sendmail', function (data) {
      io.sockets.in(data.email).emit('new_msg', { msg: data.message });
      console.log(data.email);
  });
  

  这篇关于与 socket.io 私聊的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！