49 lines
1.2 KiB
JavaScript
49 lines
1.2 KiB
JavaScript
export function onDialingPhoneNumber(phone) {
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return new Promise((resolve, reject) => {
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uni.makePhoneCall({
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phoneNumber: phone, // 电话号码
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success: (res) => {
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resolve(res)
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},
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fail: (err) => {
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reject(err)
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} // 失败
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});
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})
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}
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/**
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* 个位数，加0前缀
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* @param {*} number
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* @returns
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*/
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export function addZeroPrefix(number) {
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return number < 10 ? `0${number}` : number
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}
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export function getDistanceFromLatLonInKm(lat1, lon1, lat2, lon2) {
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const R = 6371; // 地球平均半径，单位为公里
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const dLat = deg2rad(lat2 - lat1);
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const dLon = deg2rad(lon2 - lon1);
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const a =
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Math.sin(dLat / 2) * Math.sin(dLat / 2) +
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Math.cos(deg2rad(lat1)) * Math.cos(deg2rad(lat2)) *
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Math.sin(dLon / 2) * Math.sin(dLon / 2);
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const c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
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const d = R * c;
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return {
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km: d,
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m: d * 1000
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};
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}
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// 将角度转换为弧度
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function deg2rad(deg) {
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return deg * (Math.PI / 180);
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}
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export default {
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onDialingPhoneNumber,
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addZeroPrefix,
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getDistanceFromLatLonInKm
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} |