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74 lines
1.8 KiB
74 lines
1.8 KiB
import {
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getJSONP
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} from '../../../helpers/get-jsonp'
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/**
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* wgs84坐标转Gcj02坐标
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* @param {object} coords
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* @param {Function} success
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* @param {Function} error
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*/
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function wgs84ToGcj02 (coords, success, error) {
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/**
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* uniapp 内置key
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*/
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var key = __uniConfig.qqMapKey
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var url =
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`https://apis.map.qq.com/ws/coord/v1/translate?locations=${coords.latitude},${coords.longitude}&type=1&key=${key}&output=jsonp`
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getJSONP(url, {}, (res) => {
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if ('locations' in res && res.locations.length) {
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success({
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longitude: res.locations[0].lng,
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latitude: res.locations[0].lat
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})
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} else {
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error(res)
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}
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}, error)
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}
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/**
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* 获取定位信息
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* @param {*} param0
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* @param {*} callbackId
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*/
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export function getLocation ({
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type,
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altitude
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}, callbackId) {
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const {
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invokeCallbackHandler: invoke
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} = UniServiceJSBridge
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function callback (coords) {
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invoke(callbackId, Object.assign(coords, {
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errMsg: 'getLocation:ok',
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verticalAccuracy: coords.altitudeAccuracy || 0,
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// 无专门水平精度，使用位置精度替代
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horizontalAccuracy: coords.accuracy
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}))
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}
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if (navigator.geolocation) {
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navigator.geolocation.getCurrentPosition((position) => {
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var coords = position.coords
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if (type === 'WGS84') {
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callback(coords)
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} else {
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wgs84ToGcj02(coords, callback, (err) => {
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invoke(callbackId, {
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errMsg: 'getLocation:fail ' + JSON.stringify(err)
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})
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})
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}
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}, () => {
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invoke(callbackId, {
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errMsg: 'getLocation:fail'
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})
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}, {
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enableHighAccuracy: altitude,
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timeout: 1000 * 60 * 5
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})
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} else {
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invoke(callbackId, {
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errMsg: 'getLocation:fail device nonsupport geolocation'
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})
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}
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}
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