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Echarts自定义地图点击事件

2024-02-01 12:02:22 前端知识 前端哥 825 709 我要收藏

效果图:

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Echarts自定义地图点击事件</title>
<style>
body {
margin: 0;
}
#chart {
width: 100vw;
height: 100vh;
}
</style>
</head>
<body>
<div id="chart"></div>
<script src="../lib/jquery.js"></script>
<script src="../lib/echarts.min.js"></script>
<script>
var chartDom = document.getElementById('chart');
var myChart = echarts.init(chartDom);
var option;
myChart.showLoading();
$.get('https://geo.datav.aliyun.com/areas_v3/bound/450700_full.json', function (geoJson) {
myChart.hideLoading();
echarts.registerMap('GuilLin', geoJson);
myChart.setOption(
(option = {
title: {
text: 'Echats自定义地图点击事件',
},
tooltip: {
trigger: 'item',
formatter: '{b}<br/>{c} (p / km2)'
},
toolbox: {
show: true,
orient: 'vertical',
left: 'right',
top: 'center',
feature: {
dataView: { readOnly: false },
restore: {},
saveAsImage: {}
}
},
visualMap: {
min: 800,
max: 50000,
text: ['High', 'Low'],
realtime: false,
calculable: true,
inRange: {
color: ['lightskyblue', 'yellow', 'orangered']
}
},
series: [
{
name: '桂林市',
type: 'map',
map: 'GuilLin',
label: {
show: true
},
data: [
{ name: '钦南区', value: 20057.34 },
{ name: '钦北区', value: 15477.48 },
{ name: '灵山县', value: 1980.98 },
{ name: '浦北县', value: 9172.94 }
],
}
]
})
);
});
option && myChart.setOption(option);
myChart.on('click', function (params) {
const idx = params.dataIndex;
console.log(idx, params.name, params.value);
// to do
});
</script>
</body>
</html>
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