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ibm bluemix websocket test
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<html> | |
<head> | |
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"> | |
<script type="text/javascript" src="https://www.google.com/jsapi"></script> | |
<script src="http://code.jquery.com/jquery-1.11.0.min.js"></script> | |
<script src="http://code.jquery.com/jquery-migrate-1.2.1.min.js"></script> | |
<script> | |
//グーグルチャートの読み込み | |
google.load("visualization", "1", {packages:["corechart"]}); | |
//jQueryスタート | |
$(function() { | |
//グラフ用データ | |
var chart; | |
var dataArray = [['Date', 'distance']]; | |
//初期化関数 | |
/*------------------------------------------------------------------------*/ | |
function init(){ | |
//グラフ初期化 | |
chartInit(); | |
} | |
//グラフ初期化 | |
/*------------------------------------------------------------------------*/ | |
function chartInit(){ | |
//0でデーターを埋めておく | |
var i; | |
for(i=1;i<100;i++){ | |
dataArray[i] = ["",0]; | |
} | |
//グラフの作成 | |
google.setOnLoadCallback(drawChart); | |
chart = new google.visualization.LineChart(document.getElementById('chart')); | |
} | |
//グラフの描画 | |
/*------------------------------------------------------------------------*/ | |
function drawChart() { | |
//配列からグラフを描画(初期化) | |
var data = google.visualization.arrayToDataTable( dataArray ); | |
chart.draw(data); | |
//WebScoketの開始 | |
webSocketInit(); | |
} | |
//WebScoketの開始 | |
/*------------------------------------------------------------------------*/ | |
function webSocketInit(){ | |
//URL指定 | |
var wsUri = "ws://testap2.mybluemix.net/ws/sensor"; | |
websocket = new WebSocket(wsUri); | |
//ソケットオープン | |
websocket.onopen = function(ev) { | |
$('#message').append("<p>Connected!</p>"); | |
}; | |
//メッセージ取得イベント | |
websocket.onmessage = function(ev) { | |
//メッセージを解析 | |
var msg = JSON.parse(ev.data); | |
var date = Math.floor( $.now() / 1000 ); | |
var distance = msg.distance; | |
$('#message').prepend( "<p>date:" + date + " distance:" + distance + "</p>" ); | |
//グラフの配列データーに追加 | |
dataArray.push([date , distance ]); | |
//グラフの配列データーの頭を削除 | |
if( dataArray.length >= 100 ){ | |
dataArray.splice( 1 , 1 ); | |
} | |
//グラフへ反映 | |
var data = google.visualization.arrayToDataTable( dataArray ); | |
chart.draw(data); | |
}; | |
//エラー処理 | |
websocket.onerror = function(ev){$('#message').append("<div class=\"system_error\">Error Occurred - "+ev.data+"</div>");}; | |
websocket.onclose = function(ev){$('#message').append("<div class=\"system_msg\">Connection Closed</div>");}; | |
} | |
init(); | |
}); | |
</script> | |
<!--<link rel="stylesheet" href="reset.css" type="text/css" media="all">--> | |
<!--<link rel="stylesheet" href="index.css" type="text/css" media="all">--> | |
</head> | |
<body> | |
<h1>WebScoketグラフ</h1> | |
<div id="chart"></div> | |
<h2>WebSocketログ</h2> | |
<div id="message"></div> | |
</body> | |
</html> |
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