代码
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<!DOCTYPE html>
<html lang="zh-CN">
<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 Example</title>
</head>
<body>
<div id="main" style="width: 600px;height: 400px"></div>
<script src="//cdn.bootcss.com/axios/0.19.2/axios.min.js"></script>
<script src="//cdn.bootcss.com/echarts/4.5.0/echarts.js"></script>
<script type="text/javascript">
async function run() {
const myChart = echarts.init(document.getElementById('main'));
const usaGeo = await axios.get('//cdn.jsdelivr.net/gh/VanMess/echart-wiki-examples@1.0.0/11_geo/USA.json');
echarts.registerMap('USA', usaGeo.data, {
Alaska: {
// 把阿拉斯加移到美国主大陆左下方
left: -131,
top: 25,
width: 15,
},
Hawaii: {
left: -110, // 夏威夷
top: 28,
width: 5,
},
'Puerto Rico': {
// 波多黎各
left: -76,
top: 26,
width: 2,
},
});
const option = {
geo: {
map: 'USA',
// 声明允许缩放与拖拽
roam: true,
scaleLimit: {
// 声明最小缩放比例
min: 1,
// 声明最大缩放比例
max: 6,
},
},
series: [
{
type: 'scatter',
coordinateSystem: 'geo',
data: [
[-87.359296, 35.00118, 24],
[-90.064905, 36.304691, 12],
[-98.311367, 34.995703, 18],
[-123.129194, 38.451652, 48],
],
symbolSize: function (val) {
return val[2];
},
},
],
};
myChart.setOption(option);
}
run();
</script>
</body>
</html>
运行结果