高德地图JS--批量规划步行路线 优化
调取高德地图JS API 进行步行路线规划
多个起点到达一个重点，根据搜素结果画路线，进行绘图，并为线路添加点击事件
效果如下：
代码如下：
<!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">
<style>
html,
body,
#container {
width: 100%;
height: 100%;
}
</style>
<title>根据规划数据绘制步行路线</title>
<link rel="stylesheet" href="https://a.amap.com/jsapi_demos/static/demo-center/css/demo-center.css"/>
<script src="https://webapi.amap.com/maps?v=1.4.10&key=d799a2887868628bf7782fcd6b2c0ed1&plugin=AMap.PolyEditor"></script>
<script src="https://webapi.amap.com/maps?v=1.4.10&key=d799a2887868628bf7782fcd6b2c0ed1&plugin=AMap.Walking"></script>
<script src="https://a.amap.com/jsapi_demos/static/demo-center/js/demoutils.js"></script>
</head>
<body>
<div id="container"></div>
<script type="text/javascript">
var map = new AMap.Map('container', {
center: [116.397559, 39.89621],
zoom: 14
})
// 当前示例的目标是展示如何根据规划结果绘制路线，因此walkOption为空对象
var walkingOption = {}
let dataArr = [
[15, '汽车服务', 116.807599, 39.6462117, 1.459, 6.3265],
[22, '汽车服务', 117.6136484, 39.7657742, 9.738, 7.5687],
[30, '汽车服务', 117.2940413, 39.7878749, 7.7227, 6.5476],
[37, '汽车服务', 116.0684453, 38.174566, 4.5352, 8.5357],
[42, '汽车服务', 117.3493731, 38.6404797, 1.1438, 4.3265],
[43, '汽车服务', 116.8465287, 38.363796, 8.7718, 4.4577]]
let targetPoint = [116.944964, 39.457521]
// 搜素路线的函数
function searchRouter (startPointArr, endPoint) {
for (let i = 0; i < startPointArr.length; i++) {
let item = startPointArr[i]
let startPoint = [item[2], item[3]]
// 步行导航
var walking = new AMap.Walking(walkingOption)
//根据起终点坐标规划步行路线
walking.search(startPoint, endPoint, function (status, result) {
// result即是对应的步行路线数据信息，相关数据结构文档请参考 https://lbs.amap.com/api/javascript-api/reference/route-search#m_WalkingResult
if (status === 'complete') {
if (result.routes && result.routes.length) {
drawRoute(result.routes[0], item)
log.success('绘制步行路线完成')
}
} else {
log.error('步行路线数据查询失败' + result)
}
})
}
}
// 描绘路线的函数
function drawRoute (route, item) {
var path = parseRouteToPath(route)
var startMarker = new AMap.Marker({
position: path[0],
icon: 'https://webapi.amap.com/theme/v1.3/markers/n/start.png',
map: map
})
var endMarker = new AMap.Marker({
position: path[path.length - 1],
icon: 'https://webapi.amap.com/theme/v1.3/markers/n/end.png',
map: map
})
var routeLine = new AMap.Polyline({
path: path,
isOutline: true,
outlineColor: '#ffeeee',
borderWeight: 2,
strokeWeight: 5,
cursor: 'pointer',
strokeColor: '#0091ff',
lineJoin: 'round',
extData: item
})
routeLine.on('click', function (obj) {
console.log(obj.target.getExtData())
alert('您点击了线为' + obj.target.getExtData().toString())
})
routeLine.setMap(map)
// 调整视野达到最佳显示区域
map.setFitView([startMarker, endMarker, routeLine])
}
// 解析WalkRoute对象，构造成AMap.Polyline的path参数需要的格式
// WalkRoute对象的结构文档 https://lbs.amap.com/api/javascript-api/reference/route-search#m_WalkRoute
function parseRouteToPath (route) {
var path = []
for (var i = 0, l = route.steps.length; i < l; i++) {
var step = route.steps[i]
path.push([step.start_location.lng, step.start_location.lat])
path.push([step.end_location.lng, step.end_location.lat])
}
return path
}
searchRouter(dataArr, targetPoint)
</script>
</body>
</html>有任何高德JS API 调用问题都可以在下方评论咨询我。博主做过很多O2O示例
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