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3초마다 업데이트되는 그래프

<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>Highcharts Example</title>
<style type="text/css"></style>
</head>
<body>
<script src="../../code/highcharts.js"></script>
<script src="../../code/modules/exporting.js"></script>
<script src="../../code/modules/export-data.js"></script>
<div
id="container"
style="min-width: 310px; height: 400px; margin: 0 auto"
></div>
<script type="text/javascript">
Highcharts.chart('container', {
chart: {
type: 'spline',
animation: Highcharts.svg, // don't animate in old IE
marginRight: 10,
events: {
load: function () {
// set up the updating of the chart each second
var series = this.series[0];
setInterval(function () {
var x = (new Date()).getTime(), // 현재 시간
y = Math.random(); //
series.addPoint([x, y], true, true);
}, 3000); //1000=1초
}
}
},
time: {
useUTC: false
},
title: {
text: '실시간 사망률'
},
xAxis: {
type: 'datetime',
tickPixelInterval: 150
},
yAxis: {
title: {
text: 'Value'
},
plotLines: [{
value: 0,
width: 1,
color: '#808080'
}]
},
tooltip: {
headerFormat: '<b>{series.name}</b><br/>',
pointFormat: '{point.x:%Y-%m-%d %H:%M:%S}<br/>{point.y:.2f}'
},
legend: {
//enabled: false
layout: "vertical",
align: "left",
verticalAlign: "top",
x: 120,
y: 70,
floating: true,
borderWidth: 1,
backgroundColor:
(Highcharts.theme && Highcharts.theme.legendBackgroundColor) ||
"#FFFFFF"
},
exporting: {
enabled: false
},
series: [{
name: '사망률(%)',
data: (function () {
// generate an array of random data
var data = [],
time = (new Date()).getTime(),
i;
for (i = -19; i <= 0; i += 1) {
data.push({
x: time + i * 1000,
y: Math.random()
});
}
return data;
}())
}]
});
</script>
</body>
</html>
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