6

我试图让 connect / node.js 很好地和简单地一起工作。我有以下(在咖啡脚本中)

connect = require('connect')
io = require('socket.io')

server = connect.createServer(
    connect.favicon()
  , connect.logger()
  , connect.static(__dirname + '/public')
).listen(8000)

socket = io.listen(server)
socket.on 'connection', (socket) ->
  socket.send({ hello: 'world' })

但不断收到以下错误:

TypeError: Cannot call method 'listeners' of undefined

似乎服务器没有及时初始化以使套接字开始侦听..

与之比较:

io = require ("socket.io")
http = require('http')

server = http.createServer()

server.listen(8000)

socket = io.listen(server)

socket.on 'connection', (socket) ->
  socket.send({ hello: 'world' })

哪个有效...

4

1 回答 1

5

可能是因为.listen()返回了其他东西。如果您像这样重写代码,它应该可以工作:

connect = require('connect')
io = require('socket.io')

server = connect.createServer(
    connect.favicon()
  , connect.logger()
  , connect.static(__dirname + '/public')
)
server.listen(8000)

socket = io.listen(server)
socket.on 'connection', (socket) ->
  socket.send({ hello: 'world' })
于 2011-05-11T06:45:10.257 回答