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
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<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>
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