标签：map 缩放 拖动 geo show rgba true Echarts
<!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伪3D地图 Echarts的地图实现拖拽缩放同步功能（解决多层geo缩放、拖动卡顿问题）</title>
<script src="./js/echarts.min4.8.js"></script>
<script src="./320000_full.js"></script>
<!-- <script src="./map-shandong.js"></script> -->
<!-- <script src="./map-shanxi.js"></script> -->
<style>
* {
margin: 0;
}
.map-panel {
position: relative;
box-sizing: border-box;
width: 100vw;
height: 100vh;
display: grid;
grid-template-columns: repeat(2, 1fr);
grid-template-rows: 55px auto;
grid-template-areas:
"header header"
"left right";
gap: 10px;
padding: 10px;
}
.title {
grid-area: header;
display: grid;
justify-items: center;
align-items: center;
font-size: 28px;
font-weight: bold;
}
.shandong-map {
grid-area: left;
border: 1px solid #007acc;
border-radius: 5px;
}
.shanxi-map {
grid-area: right;
border: 1px solid #007acc;
border-radius: 5px;
}
</style>
</head>
<body>
<div class="map-panel">
Echarts的地图实现拖拽缩放同步功能（解决多层geo缩放、拖动卡顿问题）
<div id="shandong-map" class="shandong-map"></div>
<div id="shanxi-map" class="shanxi-map"></div>
</div>
</body>
<script>
window.onload = () => {
initMap("mapjson", mapjson, "shandong-map");
initMap("mapjson", mapjson, "shanxi-map");
};
function initMap(mapName, mapJsonData, domId) {
echarts.registerMap(mapName, mapJsonData);
let option = {
tooltip: {
show: false,
},
geo: [
{
show: true,
map: mapName,
zoom: 1,
roam: 'false',
animationDurationUpdate:0,//实现缩放、拖动同步且不卡顿
regions: [],
zlevel: 1,
aspectScale: 0.85,
layoutCenter: ["50%", "50%"],
layoutSize: "90%",
itemStyle: {
areaColor: "transparent",
},
},
{
show: true,
map: mapName,
zoom: 1,
roam: 'false',
animationDurationUpdate:0,//实现缩放、拖动同步且不卡顿
zlevel: 4,
layoutCenter: ["50.5%", "50.5%"],
layoutSize: "90%",
aspectScale: 0.85,
itemStyle: {
borderWidth: 1,
borderColor: "rgba(22, 186, 212,0.8)",
shadowColor: "rgba(80, 183, 140,0.5)",
shadowOffsetY: 5,
shadowBlur: 15,
areaColor: "rgba(5,21,35,0.1)",
},
silent: true,
},
{
show: true,
map: mapName,
zoom: 1,
roam: 'false',
animationDurationUpdate:0,//实现缩放、拖动同步且不卡顿
zlevel: 3,
layoutCenter: ["51%", "51%"],
layoutSize: "90%",
aspectScale: 0.85,
itemStyle: {
borderWidth: 1,
borderColor: "rgba(9, 170, 148,0.6)",
shadowColor: "rgb(80,183,140)",
shadowOffsetY: 5,
shadowBlur: 15,
areaColor: "transpercent",
},
silent: true,
},
{
show: true,
map: mapName,
zoom: 1,
roam: 'false',
animationDurationUpdate:0,//实现缩放、拖动同步且不卡顿
zlevel: 2,
layoutCenter: ["51.5%", "51.5%"],
layoutSize: "90%",
aspectScale: 0.85,
itemStyle: {
borderWidth: 1,
borderColor: "rgba(105, 174, 253,0.4)",
shadowColor: "rgba(10, 177, 105,0.4)",
shadowOffsetY: 15,
shadowBlur: 10,
areaColor: "transpercent",
},
silent: true,
},
{
show: true,
map: mapName,
zoom: 1,
roam: 'false',
animationDurationUpdate:0,//实现缩放、拖动同步且不卡顿
zlevel: 1,
layoutCenter: ["52%", "52%"],
layoutSize: "90%",
aspectScale: 0.85,
itemStyle: {
borderWidth: 5,
borderColor: "rgb(6,125,119)",
shadowColor: "rgba(10,177,105,0.3)",
shadowOffsetY: 15,
shadowBlur: 10,
areaColor: "rgba(5,21,35,0.1)",
},
silent: true,
},
],
series: [
{
type: "map",
map: mapName,
zoom: 1,
roam: true,
animationDurationUpdate:0,//实现缩放、拖动同步且不卡顿
aspectScale: 0.85,
layoutCenter: ["50%", "50%"],
layoutSize: "90%",
selectedMode: false,
itemStyle: {
normal: {
label: {
show: true,
color: "#FF0",
fontSize: 14,
},
borderColor: "#FFFFFF",
borderWidth: 1,
areaColor: {
type: "linear",
x: 1200,
y: 0,
x2: 0,
y2: 0,
colorStops: [
{
offset: 0,
color: "rgb(60,213,147)", // 0% 处的颜色
},
{
offset: 1,
color: "rgba(126, 207, 195,0.75)", // 50% 处的颜色
},
],
global: true, // 缺省为 false
},
},
emphasis: {
label: {
show: true,
color: "#FF0",
fontSize: 14,
},
areaColor: "rgba(18, 190, 115, 0.6)",
borderColor: "#ffdc00",
},
},
zlevel: 99,
data: [],
},
],
};
let mapChart = echarts.init(document.getElementById(domId));
mapChart.setOption(option);
window.onresize = () => {
mapChart.resize();
};
mapChart.on('georoam',(params)=>{
let option = mapChart.getOption();//获得option对象
let len=option.geo.length;
if(params.zoom != null){ //捕捉到缩放时
for(var i=0;i<len;i++){
option.geo[i].center=option.series[0].center;
option.geo[i].zoom=option.series[0].zoom;
}
}else{//捕捉到拖曳时
for(var i=0;i<len;i++){
option.geo[i].center=option.series[0].center;
}
}
mapChart.setOption(option);//设置option
})
}
</script>
</html>
标签：map,
缩放,
拖动,
geo,
show,
rgba,
true,
Echarts
From： https://www.cnblogs.com/7c89/p/17752267.html