JS根据两点的经纬度坐标得到驾车行驶距离

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<pre class="has">
<!DOCTYPE html>


<head>
    <<a href="https://www.jb51.cc/tag/Meta/" target="_blank" class="keywords">Meta</a> http-equiv="Content-Type" content="text/html; charset=utf-8"&gt;
    <meta name="viewport" content="width=device-width,initial-scale=1.0,minimum-scale=1.0,maximum-scale=1.0,user-scalable=no" />
    <script charset="utf-8" src="https://map.qq.com/api/js?v=2.exp&amp;key=WFLBZ-ABRHX-A474W-75TT3-L2NZF-VAGAC"&gt;</script>
</head>

<body>
    <button onclick="aaa()"&gt;点击</button>
    <script>
        function aaa() {
            get_<a href="https://www.jb51.cc/tag/dis/" target="_blank" class="keywords">dis</a>tance('21.660388,110.938697','21.66701,110.92245').then(function(resolve_finish) {
                console.log('距离:' + resolve_finish)
            })
        }

        function get_<a href="https://www.jb51.cc/tag/dis/" target="_blank" class="keywords">dis</a>tance(s,e) {
            return myPromise = new Promise(function(resolve,reject) {
                var my_<a href="https://www.jb51.cc/tag/dis/" target="_blank" class="keywords">dis</a>tance;
                var directionsService = new qq.maps.DrivingService({
complete: function(response) {

var distance = JSON.stringify(response.detail.routes[0].distance);

my_distance = distance + '米';

resolve(my_distance);

}

});

var start = s.split(","); //起点经纬度

var end = e.split(","); //目的地经纬度

directionsService.setPolicy(qq.maps.DrivingPolicy['LEAST_disTANCE']);//"LEASTTIME">最少时间     LEASTdisTANCE">最短距离    "AVOID_HIGHWAYS">避开高速

directionsService.search(new qq.maps.LatLng(start[0],start[1]),new qq.maps.LatLng(end[0],end[1]));

}).then(function(resolve_finish) {

return resolve_finish

})

}
JS根据两点的经纬度坐标得到驾车行驶距离

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