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18-组件交互事件.html
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<!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>Document</title>
</head>
<body>
<div id="main" style="height: 600px;width: 900px;"></div>
<script src="./js/echarts.min.js"></script>
<script>
let myChart = echarts.init(document.getElementById('main'))
let option = {
title: {
text: '组件交互事件'
},
tooltip: {
trigger: 'item'
},
toolbox: {
show: true,
feature: {
dataView: {
show: true,
readOnly: true
},
restore: true,
magicType: ['pie', 'bar']
}
},
legend: {
data: ['直接访问', '邮件营销', '联盟广告', '视频广告', '搜索引擎']
},
series: [
{
name: '访问来源',
type: 'pie', // 饼图
radius: '55%', // 半径：支持绝对值(px)和百分比。传数组实现环形图(内半径，外半径)
center: ['50%', '60%'], // 圆形坐标，直至绝对值(px)和百分比
data: [
{ value: 335, name: '直接访问' },
{ value: 310, name: '邮件营销' },
{ value: 234, name: '联盟广告' },
{ value: 135, name: '视频广告' },
{ value: 1548, name: '搜索引擎' }
],
itemStyle: {
normal: {
labelLine: {
// 视觉引导线
show: false
}
},
emphasis: {
shadowBlur: 10,
shadowOffsetX: 0,
shadowColor: 'rgba(0, 0, 0, 0.5)'
}
}
}
]
}
// 组件交互行为--图例切换--可以实现
// myChart.on('legendselectchanged', function(params) {
// console.log(params)
// })
myChart.setOption(option)
// 组件交互行为--图例切换--可以实现
myChart.on('legendselectchanged', function(params) {
console.log(params)
})
</script>
</body>
</html>