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关于本socket.io中文文档
socket.IO website
1 指南(Guide)
2 文档(Docs)
3 客户端-API(Client-API)
3.1 io
3.2 manager
3.3 socket
3.3.1 socket.id
3.3.2 socket.connected
3.3.3 socket.disconnected
3.3.4 socket.open()
3.3.5 socket.connect()
3.3.6 socket.send([...args][,ack])
3.3.7 socket.emit(eventName,[...args][,ack])
3.3.8 socket.on(eventName,callback)
3.3.9 socket.compress(value)
3.3.10 socket.binary(value)
3.3.11 socket.close()
3.3.12 socket.disconnect()
3.3.13 event:connect
3.3.14 event:connect_error
3.3.15 event:connect_timeout
3.3.16 event:error
3.3.17 event:disconnect
3.3.18 event:reconnect
3.3.19 event:reconnect_attempt
3.3.20 event:reconnenting
3.3.21 event:reconnect_error
3.3.22 event:reconnect_failed
3.3.23 event:ping
3.3.24 event:pong
4 服务端-API(Server-API)
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3.3.1 socket.id
  • (String)
socket会话的唯一标识符。在触发connect事件后设置，并在reconnect事件后更新。
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const socket= io('http://localhost');
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​
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console.log(socket.id) //undefined
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​
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socket.on('connect',()=>{
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console.log(socket.id) // xxxx...
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})
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