html按经纬度查询距离,JS根据两点的经纬度坐标得到驾车行驶距离

html

<Meta http-equiv="Content-Type" content="text/html; charset=utf-8">

function aaa() {

get_distance('21.660388,110.938697','21.66701,110.92245').then(function(resolve_finish) {

console.log('距离:' + resolve_finish)

})

}

function get_distance(s,e) {

return myPromise = new Promise(function(resolve,reject) {

var my_distance;

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']);//"LEAST_TIME">最少时间 LEAST_DISTANCE">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

})

}