我们写的路径规划，是根据用户点击中国地图的次数为准的，进入页面，鼠标点击一次，就是需要规划的起点。点击第二次，就是终点，当点击完两次后，路径规划自动执行。
下面是详细代码，只需改变代码中key与密钥的值，改变成自己请求的值即可
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="initial-scale=1.0, user-scalable=no, width=device-width">
<title>地图路线规划练习
</title>
<style type="text/css">
html,
body,
#container {
width: 100%;
height: 100%;
}
</style>
<script type="text/javascript">
window._AMapSecurityConfig = {
securityJsCode: "e39d93c48089b8b29f875697d91ec9ef",
};
</script>
<link rel="stylesheet" href="https://a.amap.com/jsapi_demos/static/demo-center/css/demo-center.css" />
<script src="https://a.amap.com/jsapi_demos/static/demo-center/js/demoutils.js"></script>
<script type="text/javascript" src="https://cache.amap.com/lbs/static/addToolbar.js"></script>
<script type="text/javascript"
src="https://webapi.amap.com/maps?v=2.0&key=cfdc2e6bff151fb0402a7ceb4190834a&plugin=AMap.Driving"></script>
</head>
<body>
<div id="container"></div>
<div class="input-card">
<h4>设置起点和终点：</h4>
<div class="input-item">
<input type="text" readonly="true" id="startPoint" placeholder="点击设置起点">
</div>
<div class="input-item">
<input type="text" readonly="true" id="endPoint" placeholder="点击设置终点">
</div>
</div>
<script type="text/javascript">
var map = new AMap.Map("container", {
resizeEnable: true,
center: [113.94213,35.291235],
zoom: 15
});
var startPoint; // 起点
var endPoint; // 终点
var Clicks = 0; // 点击次数
// AMap.Driving 类创建一个驾车路线规划对象给他赋值给driving并与名为map的地图对象关联
var driving = new AMap.Driving({
map: map
});
map.on('click', function(e) {
Clicks++;
// 声明变量为0,点击一次现在是1,一取余三等于1,设置起点
if (Clicks % 3 === 1) {
// 设置起点
startPoint = e.lnglat;
document.getElementById("startPoint").value = "起点 - 经度: " + startPoint.getLng() + ", 纬度: " +
startPoint.getLat();
console.log(startPoint);
var marker = new AMap.Marker({
position: startPoint
});
console.log(marker);
marker.setMap(map);
// 点击第二次现在是2,2取余三等于2,设置为终点点
} else if (Clicks % 3 === 2) {
// 设置终点
endPoint = e.lnglat;
document.getElementById("endPoint").value = "终点 - 经度: " + endPoint.getLng() + ", 纬度: " + endPoint
.getLat();
var marker = new AMap.Marker({
position: endPoint
});
marker.setMap(map);
// 使用选定的点开始路线搜索
driving.search(startPoint, endPoint, function(status, result) {
if (status === 'complete') {
console.log('绘制驾车路线完成');
map.setCenter([startPoint.getLng(), startPoint.getLat()]); // 将地图中心设为起点
} else {
console.error('获取驾车数据失败：' + result);
}
});
} else {
// 起点清空
startPoint = null;
// 终点清空
endPoint = null;
// 起点了路径值清空
document.getElementById("startPoint").value = "";
// 终点了路径值清空
document.getElementById("endPoint").value = "";
// 点击的次数清零
Clicks = 0;
map.clearMap();
}
});
</script>
</body>
</html>
