[英]socket io - Emitting message to individual socket
它最初是一個lynda.com教程項目
我已經試着嘗試並嘗試使它起作用。 我希望能夠將消息發送到特定的聊天成員(將消息發送到一個套接字)。
我看着這個,但仍然無法讓我工作。 Socket.IO-如何獲取已連接套接字/客戶端的列表?
我已經盡了最大努力來解決這個問題。
第一個文件:
var io = require('socket.io'), connect = require('connect'), chatter = require('./chatter.js');
var app = connect().use(connect.static('public')).listen(process.env.PORT || 3000);
var chatRoom = io.listen(app);
chatter.setSockets(chatRoom.sockets);
chatRoom.sockets.on("connection", function(socket){
chatter.connectChatter({
socket: socket,
username: socket.id
});
});
第二檔:
var allSockets = null;
var members = [];
exports.setSockets = function(sockets){
allSockets = sockets;
}
exports.connectChatter = function(config){
var exists = false;
var self;
for(var i = 0; i < members.length; i++){
if(members[i].userName == config.username){
exists = true;
break;
}
}
if(!exists){
self = {userName:config.username};
members.push(self);
}
config.socket.emit("welcome",{user:self});
allSockets.emit("getUsers",{users:members});
config.socket.on("chat", function(data){
allSockets.emit("chat", {message:data.message}); //works just fine
sockets[socket].emit("chat", {message:data.message}); //WILL NOT WORK
sockets[0].emit("chat", {message:data.message}); //WILL NOT WORK
socket[0].emit("chat", {message:data.message}); //WILL NOT WORK
allSockets[socket].emit("chat", {message:data.message}); //WILL NOT WORK
allSockets[0].emit("chat", {message:data.message}); //WILL NOT WORK
allSockets.socket(0).emit('chat', {message:data.message}); //DOES NOTHING, BUT DOES NOT BREAK APP
請幫忙。 我敢肯定這是愚蠢或愚蠢的。 我對此很陌生。 我只是不知道語法是什么。
好吧,它工作了。 不知道為什么Lynda.com會采用這種編碼布局,而其他所有人似乎都采用io.sockets.socket樣式。
第一個文件:
var io = require('socket.io'), connect = require('connect'), chatter = require('./chatter.js');
var app = connect().use(connect.static('public')).listen(process.env.PORT || 3000);
var chatRoom = io.listen(app);
chatter.setSockets(chatRoom.sockets);
chatRoom.sockets.on("connection", function(socket){
chatter.addSocket(socket);
chatter.connectChatter({
socket: socket,
username: socket.id
});
});
第二檔:
var socketList = [];
exports.addSocket = function(s){
socketList.push(s);
}
var allSockets = null;
var members = [];
exports.setSockets = function(sockets){
allSockets = sockets;
}
exports.connectChatter = function(config){
var exists = false;
var self;
for(var i = 0; i < members.length; i++){
if(members[i].userName == config.username){
exists = true;
break;
}
}
if(!exists){
self = {userName:config.username};
members.push(self);
}
config.socket.emit("welcome",{user:self});
allSockets.emit("getUsers",{users:members});
config.socket.on("chat", function(data){
socketList[0].emit("chat", {message:data.message});
}
希望這對以后的人有所幫助。
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