问题描述
我正在尝试按照 Patrick Robert 的回答在我的模块中的特定房间发送消息 How can i export socket.io into other modules in nodejs?.
io.js
var sio = require('socket.io');
var io = null;
exports.io = function () {
return io;
};
exports.initialize = function(server) {
return io = sio(server);
};
module.js
ioreq = require('./io')
ioreq.io().on('connection',function(socket) {
var room_name = 2;
socket.join(room_name);
socket.to(room_name).emit("test",'This is a Test'); //This is working
});
function sendDataFromModule(data) { // This function don't do anything at all !
socket.to(room_name).emit("test",data);
}
sendDataFromModule('Test from function');// Not working
}
你能帮我让它工作吗?
解决方法
制作io全局变量, 在 io.js 中
global.io = require("socket.io")(server);
在 module.js 中
//ioreq = require('./io') no need for this
io.on('connection',function(socket) {
var room_name = 2;
socket.join(room_name);
socket.to(room_name).emit("test",'This is a Test'); //This is working
});
function sendDataFromModule(data) {
io.in(room_name).emit("test",data); // change this
}
sendDataFromModule('Test from function');
}