无法在'RTCDataChannel'上执行'send':RTCDataChannel.readyState不是'open'

Question

我正在努力学习WebRTC.我复制了一些代码,我收到此错误:

无法在'RTCDataChannel'上执行'send':RTCDataChannel.readyState不是'open'

任何人都可以帮忙吗？

代码分数:http://www.tutorialspoint.com/webrtc/webrtc_text_demo.htm

Answer 1

ondatachannel删除后添加处理{optional: [{RtpDataChannels: true}]}:

  myConnection.onicecandidate = function (event) { 

     if (event.candidate) { 
        send({ 
           type: "candidate", 
           candidate: event.candidate 
        });
     } 
  }; 

  myConnection.ondatachannel = function(event) {
     var receiveChannel = event.channel;
     receiveChannel.onmessage = function(event) {
        console.log("ondatachannel message:", event.data);
     };
  };

  openDataChannel();