coordDistance 计算两坐标系之间距离
npm install coorddistance --save
const coorddistance = require('coorddistance');
const coorddistance = require('coorddistance');
let point1 = {
lng: '121.326389',
lat: '31.680378',
}
let point2 = {
lng: '121.186313',
lat: '31.864842',
}
coorddistance.getDistance(point1, point2);