四、仪表盘 Gauge
<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8"><link rel="icon" href="https://jscdn.com.cn/highcharts/images/favicon.ico">
<meta name="viewport" content="width=device-width, initial-scale=1">
<style>
/* css 代码 */
</style>
<script src="https://code.highcharts.com.cn/highcharts/highcharts.js"></script>
<script src="https://code.highcharts.com.cn/highcharts/highcharts-more.js"></script>
<script src="https://code.highcharts.com.cn/highcharts/modules/exporting.js"></script>
<script src="https://img.hcharts.cn/highcharts-plugins/highcharts-zh_CN.js"></script>
</head>
<body>
<div id="container" style="min-width: 310px; max-width: 400px; height: 300px; margin: 0 auto"></div>
<script>
// JS 代码
</script>
</body>
</html>
1、速度仪
var chart = Highcharts.chart('container',{
chart: {
type: 'gauge',
plotBackgroundColor: null,
plotBackgroundImage: null,
plotBorderWidth: 0,
plotShadow: false
},
title: {
text: '速度仪'
},
pane: {
startAngle: -150,
endAngle: 150,
background: [{
backgroundColor: {
linearGradient: { x1: 0, y1: 0, x2: 0, y2: 1 },
stops: [
[0, '#FFF'],
[1, '#333']
]
},
borderWidth: 0,
outerRadius: '109%'
}, {
backgroundColor: {
linearGradient: { x1: 0, y1: 0, x2: 0, y2: 1 },
stops: [
[0, '#333'],
[1, '#FFF']
]
},
borderWidth: 1,
outerRadius: '107%'
}, {
// default background
}, {
backgroundColor: '#DDD',
borderWidth: 0,
outerRadius: '105%',
innerRadius: '103%'
}]
},
// the value axis
yAxis: {
min: 0,
max: 200,
minorTickInterval: 'auto',
minorTickWidth: 1,
minorTickLength: 10,
minorTickPosition: 'inside',
minorTickColor: '#666',
tickPixelInterval: 30,
tickWidth: 2,
tickPosition: 'inside',
tickLength: 10,
tickColor: '#666',
labels: {
step: 2,
rotation: 'auto'
},
title: {
text: 'km/h'
},
plotBands: [{
from: 0,
to: 120,
color: '#55BF3B' // green
}, {
from: 120,
to: 160,
color: '#DDDF0D' // yellow
}, {
from: 160,
to: 200,
color: '#DF5353' // red
}]
},
series: [{
name: 'Speed',
data: [80],
tooltip: {
valueSuffix: ' km/h'
}
}]
}, function (chart) {
if (!chart.renderer.forExport) {
setInterval(function () {
var point = chart.series[0].points[0],
newVal,
inc = Math.round((Math.random() - 0.5) * 20);
newVal = point.y + inc;
if (newVal < 0 || newVal > 200) {
newVal = point.y - inc;
}
point.update(newVal);
}, 3000);
}
});
2、仪表盘
// 公共配置
Highcharts.setOptions({
chart: {
type: 'solidgauge'
},
title: null,
pane: {
center: ['50%', '85%'],
size: '140%',
startAngle: -90,
endAngle: 90,
background: {
backgroundColor: (Highcharts.theme && Highcharts.theme.background2) || '#EEE',
innerRadius: '60%',
outerRadius: '100%',
shape: 'arc'
}
},
tooltip: {
enabled: false
},
yAxis: {
stops: [
[0.1, '#55BF3B'], // green
[0.5, '#DDDF0D'], // yellow
[0.9, '#DF5353'] // red
],
lineWidth: 0,
minorTickInterval: null,
tickPixelInterval: 400,
tickWidth: 0,
title: {
y: -70
},
labels: {
y: 16
}
},
plotOptions: {
solidgauge: {
dataLabels: {
y: 5,
borderWidth: 0,
useHTML: true
}
}
}
});
// 速度仪表
var chart1 = Highcharts.chart('container-speed', {
yAxis: {
min: 0,
max: 200,
title: {
text: '速度'
}
},
credits: {
enabled: false
},
series: [{
name: '速度',
data: [80],
dataLabels: {
format: '<div style="text-align:center"><span style="font-size:25px;color:' +
((Highcharts.theme && Highcharts.theme.contrastTextColor) || 'black') + '">{y}</span><br/>' +
'<span style="font-size:12px;color:silver">km/h</span></div>'
},
tooltip: {
valueSuffix: ' km/h'
}
}]
});
// 转速仪表
var chart2 = Highcharts.chart('container-rpm', {
yAxis: {
min: 0,
max: 5,
title: {
text: 'RPM'
}
},
series: [{
name: 'RPM',
data: [1],
dataLabels: {
format: '<div style="text-align:center"><span style="font-size:25px;color:' +
((Highcharts.theme && Highcharts.theme.contrastTextColor) || 'black') + '">{y:.1f}</span><br/>' +
'<span style="font-size:12px;color:silver">* 1000 / min</span></div>'
},
tooltip: {
valueSuffix: ' revolutions/min'
}
}]
});
// 定时刷新数据
setInterval(function () {
var point,
newVal,
inc;
if (chart1) {
point = chart1.series[0].points[0];
inc = Math.round((Math.random() - 0.5) * 100);
newVal = point.y + inc;
if (newVal < 0 || newVal > 200) {
newVal = point.y - inc;
}
point.update(newVal);
}
if (chart2) {
point = chart2.series[0].points[0];
inc = Math.random() - 0.5;
newVal = point.y + inc;
if (newVal < 0 || newVal > 5) {
newVal = point.y - inc;
}
point.update(newVal);
}
}, 2000);
