使用Socket.io将消息发送到多个房间？

问题描述

是否可以使用socket.io将消息发送到多个房间？

Is it possible to send messages to multiple rooms using socket.io?

发送到1个房间：

io.sockets.in(room).emit("id", {})

发送到N个房间：

io.sockets.in(room1, room2, roomN).emit("id", {})

推荐答案

strong> sockets.in 方法仅接受一个房间作为参数，因此要广播到多个房间，您必须在发射之间重置房间。像这样的东西应该起作用：

The sockets.in method only accepts one room as an argument, so to broadcast to multiple rooms you would have to reset the room, in between emissions. Something like this should work:

['room1', 'room2', 'room3'].forEach(function(room){
    io.sockets.in(room).emit("id", {});
});

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