console.html - Android社区 - https://www.androidos.net.cn/

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<!--
A simple console for testing WebSocket server.

Type an address into the top text input and click connect to establish
WebSocket. Then, type some message into the bottom text input and click send
to send the message. Received/sent messages and connection state will be shown
on the middle textarea.
-->

<html>
<head>
<title>WebSocket console</title>
<script>
var socket = null;

var showTimeStamp = false;

var addressBox = null;
var logBox = null;
var messageBox = null;
var fileBox = null;
var codeBox = null;
var reasonBox = null;

function getTimeStamp() {
  return new Date().getTime();
}

function addToLog(log) {
  if (showTimeStamp) {
    logBox.value += '[' + getTimeStamp() + '] ';
  }
  logBox.value += log + '\n'
  // Large enough to keep showing the latest message.
  logBox.scrollTop = 1000000;
}

function setbinarytype(binaryType) {
  if (!socket) {
    addToLog('Not connected');
    return;
  }

  socket.binaryType = binaryType;
  addToLog('Set binaryType to ' + binaryType);
}

function send() {
  if (!socket) {
    addToLog('Not connected');
    return;
  }

  socket.send(messageBox.value);
  addToLog('> ' + messageBox.value);
  messageBox.value = '';
}

function sendfile() {
  if (!socket) {
    addToLog('Not connected');
    return;
  }

  var files = fileBox.files;

  if (files.length == 0) {
    addToLog('File not selected');
    return;
  }

  socket.send(files[0]);
  addToLog('> Send ' + files[0].name);
}

function connect() {
  if ('WebSocket' in window) {
    socket = new WebSocket(addressBox.value);
  } else if ('MozWebSocket' in window) {
    socket = new MozWebSocket(addressBox.value);
  } else {
    return;
  }

  socket.onopen = function () {
    addToLog('Opened');
  };
  socket.onmessage = function (event) {
    addToLog('< ' + event.data);
  };
  socket.onerror = function () {
    addToLog('Error');
  };
  socket.onclose = function (event) {
    var logMessage = 'Closed (';
    if ((arguments.length == 1) && ('CloseEvent' in window) &&
        (event instanceof CloseEvent)) {
      logMessage += 'wasClean = ' + event.wasClean;
      // code and reason are present only for
      // draft-ietf-hybi-thewebsocketprotocol-06 and later
      if ('code' in event) {
        logMessage += ', code = ' + event.code;
      }
      if ('reason' in event) {
        logMessage += ', reason = ' + event.reason;
      }
    } else {
      logMessage += 'CloseEvent is not available';
    }
    addToLog(logMessage + ')');
  };

  addToLog('Connect ' + addressBox.value);
}

function closeSocket() {
  if (!socket) {
    addToLog('Not connected');
    return;
  }

  if (codeBox.value || reasonBox.value) {
    socket.close(codeBox.value, reasonBox.value);
  } else {
    socket.close();
  }
}

function printState() {
  if (!socket) {
    addToLog('Not connected');
    return;
  }

  addToLog(
      'url = ' + socket.url +
      ', readyState = ' + socket.readyState +
      ', bufferedAmount = ' + socket.bufferedAmount);
}

function init() {
  var scheme = window.location.protocol == 'https:' ? 'wss://' : 'ws://';
  var defaultAddress = scheme + window.location.host + '/echo';

  addressBox = document.getElementById('address');
  logBox = document.getElementById('log');
  messageBox = document.getElementById('message');
  fileBox = document.getElementById('file');
  codeBox = document.getElementById('code');
  reasonBox = document.getElementById('reason');

  addressBox.value = defaultAddress;

  if ('MozWebSocket' in window) {
    addToLog('Use MozWebSocket');
  } else if (!('WebSocket' in window)) {
    addToLog('WebSocket is not available');
  }
}
</script>
</head>
<body onload="init()">

<form action="#" onsubmit="connect(); return false;">
<input type="text" id="address" size="40">
<input type="submit" value="connect">
<input type="button" value="print state" onclick="printState();">
</form>

<textarea id="log" rows="10" cols="40" readonly></textarea>

<form action="#" onsubmit="send(); return false;">
<input type="text" id="message" size="40">
<input type="submit" value="send">
</form>

<form action="#" onsubmit="sendfile(); return false;">
<input type="file" id="file" size="40">
<input type="submit" value="send file">
</form>

<form>
<input type="radio"
       name="binarytype"
       value="blob"
       onclick="setbinarytype('blob')" checked>blob
<input type="radio"
       name="binarytype"
       value="arraybuffer"
       onclick="setbinarytype('arraybuffer')">arraybuffer
</form>

<form>
<input type="checkbox"
       name="showtimestamp"
       value="showtimestamp"
       onclick="showTimeStamp = this.checked">Show time stamp
</form>

<form action="#" onsubmit="closeSocket(); return false;">
Code <input type="text" id="code" size="10">
Reason <input type="text" id="reason" size="20">
<input type="submit" value="close">
</form>

</body>
</html>