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index_v1.html
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<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8" />
<meta http-equiv="X-UA-Compatible" content="IE=EDGE" />
<title>ECharts China Map</title>
<style>
#china-map {
width: 1000px;
height: 800px;
position: absolute;
left: calc(50% - 500px);
top: 100px;
}
</style>
<script
type="text/javascript"
src="https://unpkg.com/echarts/dist/echarts.min.js"
></script>
<script type="text/javascript" src="./js/map/china.js"></script>
</head>
<body>
<button id="back" style="display: none">返回全国</button>
<div id="china-map"></div>
<script>
var myChart = echarts.init(document.getElementById("china-map"));
var oBack = document.getElementById("back");
var catches = {};
var provinces = [
"shanghai",
"hebei",
"shanxi",
"neimenggu",
"liaoning",
"jilin",
"heilongjiang",
"jiangsu",
"zhejiang",
"anhui",
"fujian",
"jiangxi",
"shandong",
"henan",
"hubei",
"hunan",
"guangdong",
"guangxi",
"hainan",
"sichuan",
"guizhou",
"yunnan",
"xizang",
"shanxi1",
"gansu",
"qinghai",
"ningxia",
"xinjiang",
"beijing",
"tianjin",
"chongqing",
"xianggang",
"aomen",
];
var provincesText = [
"上海",
"河北",
"山西",
"内蒙古",
"辽宁",
"吉林",
"黑龙江",
"江苏",
"浙江",
"安徽",
"福建",
"江西",
"山东",
"河南",
"湖北",
"湖南",
"广东",
"广西",
"海南",
"四川",
"贵州",
"云南",
"西藏",
"陕西",
"甘肃",
"青海",
"宁夏",
"新疆",
"北京",
"天津",
"重庆",
"香港",
"澳门",
];
oBack.onclick = function () {
loadMap("china", "中国");
oBack.style.setProperty('display', 'none');
};
loadMap("china", "中国");
// 加载地图
function loadMap(mapType, name) {
var option = {
title: {
text: name || mapType,
left: "center",
},
series: [
{
name: name || mapType,
type: "map",
mapType,
roam: false, //是否开启鼠标缩放和平移漫游
itemStyle: {
//地图区域的多边形 图形样式
normal: {
//是图形在默认状态下的样式
label: {
show: true, //是否显示标签
textStyle: {
color: "rgba(255,255,255,0)",
},
},
},
},
aspectScale: mapType === "china" ? 0.75 : 1,
top: "10%", //组件距离容器的距离
},
],
};
// 清理画布
myChart.clear();
myChart.setOption(option);
myChart.off("click");
if (mapType === "china") {
// 全国时，添加click 进入省级
myChart.on("click", function (param) {
//遍历取到provincesText 中的下标 去拿到对应的省js
for (var i = 0; i < provincesText.length; i++) {
if (param.name === provincesText[i]) {
//显示对应省份的方法
showProvince(provinces[i], provincesText[i]);
break;
}
}
oBack.style.setProperty('display', 'block');
});
} else {
// 省份，添加双击 回退到全国
myChart.on("dblclick", function () {
loadMap("china", "中国");
});
}
}
// 展示对应的省
function showProvince(mapType, name) {
//这写省份的js都是通过在线构建工具生成的，保存在本地，需要时加载使用即可，最好不要一开始全部直接引入。
if (catches[name]) {
loadMap(name);
} else {
catches[mapType] = true;
loadBdScript(
"$" + mapType + "JS",
"./js/map/province/" + mapType + ".js",
function () {
loadMap(name);
}
);
}
}
// 加载对应的JS
function loadBdScript(scriptId, url, callback) {
var script = document.createElement("script");
script.type = "text/javascript";
if (script.readyState) {
//IE
script.onreadystatechange = function () {
if (
script.readyState === "loaded" ||
script.readyState === "complete"
) {
script.onreadystatechange = null;
callback();
}
};
} else {
// Others
script.onload = function () {
callback();
};
}
script.src = url;
script.id = scriptId;
document.getElementsByTagName("head")[0].appendChild(script);
}
</script>
</body>
</html>