ECharts-仪表盘图
前言
仪表盘的特点
仪表盘的基本实现
- ECharts 最基本的代码结构
- 准备数据, 设置给 series 下的 data
- 在 series 下设置 type:gauge
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>仪表盘</title>
<script src="https://cdn.jsdelivr.net/npm/echarts@5.4.1/dist/echarts.min.js"></script>
</head>
<body>
<div id='app' style="width: 600px;height:400px"></div>
<script>
var mCharts = echarts.init(document.getElementById("app"))
var option = {
series: [
{
type: 'gauge',
data: [
{
value: 95
}
]
}
]
}
mCharts.setOption(option)
</script>
</body>
</html>
- 效果
仪表盘的常见效果
- 数值范围: max min
- 多个指针: 增加data中数组的元素
- 多个指针颜色的差异: itemStyle
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>仪表盘</title>
<script src="https://cdn.jsdelivr.net/npm/echarts@5.4.1/dist/echarts.min.js"></script>
</head>
<body>
<div id='app' style="width: 600px;height:400px"></div>
<script>
var mCharts = echarts.init(document.getElementById("app"))
var option = {
series: [
{
type: 'gauge',
data: [
{
name: 'mem',
value: 70,
itemStyle: {
color: 'purple'
},
title: {
offsetCenter: ['-40%', '80%']
},
detail: {
offsetCenter: ['-40%', '95%']
}
},
{
name: 'cpu',
value: 80,
itemStyle: {
color: 'blue'
},
title: {
offsetCenter: ['40%', '80%']
},
detail: {
offsetCenter: ['40%', '95%']
}
},
],
detail: {
width: 40,
height: 14,
fontSize: 14,
color: '#fff',
backgroundColor: 'auto',
borderRadius: 3,
formatter: '{value}%'
},
title: {
fontSize: 20
},
progress: {
show: true,
overlap: true,
roundCap: true
},
max: 100,
min: 20
}
]
}
mCharts.setOption(option)
</script>
</body>
</html>
- 效果
