规划结果 + 步行路线绘制

使用AMap.Walk获取规划路线并自定义绘制

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          <!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=1.4.15&key=您申请的key值&plugin=AMap.PolyEditor"></script>
    <script src="https://webapi.amap.com/maps?v=1.4.10&key=您申请的key值&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 = {}

    // 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([116.399028, 39.845042], [116.436281, 39.880719], 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])
                log.success('绘制步行路线完成')
            }
        } else {
            log.error('步行路线数据查询失败' + result)
        } 
    });

    function drawRoute (route) {
        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,
            strokeColor: '#0091ff',
            lineJoin: 'round'
        })

        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]

            for (var j = 0, n = step.path.length; j < n; j++) {
              path.push(step.path[j])
            }
        }

        return path
    }
</script>
</body>
</html>
        

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