这是Ruby对WebSocket的实现，示例代码：
#Runstheserveratport10081.Itallowsconnectionswhoseoriginisexample.com.server=WebSocketServer.new(:port=>10081,:accepted_domains=>["example.com"])server.run()do|ws|#Theblockiscalledforeachconnection.#Checksrequestedpath.ifws.path=="/"#Callws.handshake()withoutargumentfirst.ws.handshake()#ReceivesonemessagefromtheclientasString.whiledata=ws.receive()puts(data)#Sendsthemessagetotheclient.ws.send(data)endelse#Youcancallws.handshake()withargumenttoreturnerrorstatus.ws.handshake("404NotFound")endend
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