4.3.15 socket_join_room_callback
i.on('connection',(socket)=>{
socket.join('room 237',()=>{
let rooms= Object.keys(socket.room);
console.log(rooms); // [ <socket.id>, 'room 237' ]
io.to("room 237").emit('a new ueser has joined the room'); // 广播给房间里的每个人
})
})io.on('connection',(socket)=>{
socket.on('say to someone',(id,msg)=>{
// 使用给定的ID向socket发送私有消息
socket.to(id).emit("my message",msg)
})
})Last updated
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