当我注意到这种框架时，我正在使用 Wireshark 检查服务器和浏览器之间的 websocket 流量：
No. Time Source Destination Protocol Length Info
144342 8212.033150000 127.0.0.1 127.0.0.1 WebSocket 821 WebSocket Text [FIN]
Frame 144342: 821 bytes on wire (6568 bits), 821 bytes captured (6568 bits) on interface 0
Ethernet II, Src: 00:00:00_00:00:00 (00:00:00:00:00:00), Dst: 00:00:00_00:00:00 (00:00:00:00:00:00)
Internet Protocol Version 4, Src: 127.0.0.1 (127.0.0.1), Dst: 127.0.0.1 (127.0.0.1)
Transmission Control Protocol, Src Port: http-alt (8080), Dst Port: 53749 (53749), Seq: 1132, Ack: 603, Len: 755
WebSocket
1... .... = Fin: True
.000 .... …