highchats多Y軸動態曲線
不多講原理了，直接上代碼
<!DOCTYPE HTML>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>Highcharts Example</title>
<script type="text/javascript" src="../../js/jquery-1.8.3.min.js"></script>
<style type="text/css">
${demo.css}
</style>
<script type="text/javascript">
$(function () {
var seriesOptions = [],
seriesCounter = 0;
//定義三條線的名字
var names = ['產氣', '產水', '流壓', '套壓'];
//var names = ['產氣', '產水'];
var yAxisOptions = [];
$(document).ready(function () {
Highcharts.setOptions({
global: {
useUTC: false
}
});
$('#container').highcharts({
chart: {
type: 'spline',
marginRight: 130,
events: {
load: function () {
// set up the updating of the chart each second
//var series = this.series[0];
var series = this.series;
setInterval(function () {
for(var i = 0; i < series.length; i++){
var x = (new Date()).getTime(), // current time
y = Math.random();
series[i].addPoint([x, y], true, true);
}
}, 1000);
}
}
},
title: {
text: 'Live random data'
},
xAxis: {
type: 'datetime',
tickPixelInterval: 150
},
yAxis: yAxisOptions,
tooltip: {
formatter: function () {
return '<b>' + this.series.name + '</b><br/>' +
Highcharts.dateFormat('%Y-%m-%d %H:%M:%S', this.x) + '<br/>' +
Highcharts.numberFormat(this.y, 2);
}
},
legend: {
enabled: false
},
exporting: {
enabled: false
},
series:seriesOptions
});
});
$.each(names, function (i, name) {
var bopposite = true;
if(i%2==0){
bopposite = false;
}
yAxisOptions[i] = {
title: {
text: name
},
lineWidth:1,
opposite:bopposite
};
var random_data = [],
time = (new Date()).getTime(),
j;
for (j = -199; j <= 0; j += 1) {
random_data.push({
x: time + j * 1000,
y: Math.random()
});
}
seriesOptions[i] = {
name: name,
data: random_data,
yAxis:i
};
});
});
</script>
</head>
<body>
<script src="../../js/highcharts.js"></script>
<script src="../../js/modules/exporting.js"></script>
<div id="container" style="min-width: 400px; height: 400px; margin: 0 auto"></div>
</body>
</html>