Highcharts 多个Y轴动态刷新数据的实现代码
时间：2020-12-28 12:54:16|栏目：JavaScript代码|点击： 次
效果图：
js代码：
$(function() {
$(document).ready(function() {
Highcharts.setOptions({
global: {
useUTC: false
}
});
var chart;
chart = new Highcharts.Chart({
chart: {
renderTo: 'container',
type: 'spline',
animation: Highcharts.svg,
// don't animate in old IE
marginRight: 10,
events: {
load: function() {}
}
},
title: {
text: 'Live random data'
},
xAxis: {
type: 'datetime',
tickPixelInterval: 150
},
yAxis: [{
title: {
text: 'Value'
},
plotLines: [{
value: 0,
width: 1,
color: '#808080'
}]
},
{
title: {
text: 'Name'
},
plotLines: [{
value: 0,
width: 1,
color: '#808080'
}]
}],
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: [{
name: 'Random data',
data: (function() { // generate an array of random data
var data = [],
time = (new Date()).getTime(),
i;
for (i = -19; i <= 0; i++) {
data.push({
x: time + i * 1000,
y: Math.random()
});
}
return data;
})()
},
{
name: 'Random data',
data: (function() { // generate an array of random data
var data = [],
time = (new Date()).getTime(),
i;
for (i = -19; i <= 0; i++) {
data.push({
x: time + i * 1000,
y: Math.random()
});
}
return data;
})()
}]
}); // set up the updating of the chart each second
var series = chart.series[0];
var series1 = chart.series[1];
setInterval(function() {
var x = (new Date()).getTime(),
// current time
y = Math.random();
series.addPoint([x, y + 1], true, true);
series1.addPoint([x, y - 1], true, true);
},
1000);
});
});
html代码：
<head> <script type="text/javascript" src="js/jquery.min.js"></script> <script type="text/javascript" src="js/highcharts.js"></script> <script type="text/javascript" src="js/exporting.js"></script> <script> //左侧Javascript代码 </script> </head> <body> <div id="container" style="min-width:700px;height:400px"></div> </body>
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