class $getPositions {
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constructor(arg) {
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this.id = arg.id || 0; //任务id
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this.fn = arg.fn ? function(data) {
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arg.fn(data);
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} : function(data) {
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console.log("未设置输出回调")
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return data;
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};
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this.ourPosition = []; //全部位置
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this.nowPosition = []; //当前位置
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this.onceNowPosition = []; //当前一次位置
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this.getOnceSPosition = null;
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this.state = false;
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this.isContinued = false;
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this.isContinuedTime = null;
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return this;
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}
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//开始获取
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init() {
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//判断权限
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return this;
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}
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continued() {
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//开始持续获取定位
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console.log("开始持续定位")
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let that = this;
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this.isContinued = true;
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if (this.isContinuedTime) {
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console.log("重复开始持续定位")
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return;
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} else {
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that.once(function(res) {
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if (res.state == false) {
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console.log(res.intlat)
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}
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})
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this.isContinuedTime = setInterval(() => {
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that.once(function(res) {
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if (res.state == false) {
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console.log(res.intlat)
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}
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})
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}, 5000)
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}
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}
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overContinued() {
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console.log("结束持续定位")
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let that = this;
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if (this.isContinued) {
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this.isContinued = false;
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clearInterval(that.isContinuedTime);
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this.isContinuedTime = null;
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}
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}
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once(fn) {
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console.log("开始获取一次定位");
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this.state = true;
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let that = this,fns = '',
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outit = function() {
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if (fns) {
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fns({
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state: that.state,
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intlat: that.onceNowPosition
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})
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} else {
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that.outData();
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}
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};
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outit();
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let success = function(position) {
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// console.log(position);
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var lat = position.coords.latitude;
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var lon = position.coords.longitude;
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// console.log("成功返回经纬度信息");
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// console.log(lon, lat, "成功");
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that.onceNowPosition = [lat, lon];
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that.state = false;
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outit();
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};
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let error = function(error) {
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// console.log(error, "失败");
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let msg = "none";
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switch (error.code) {
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case error.PERMISSION_DENIED:
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msg = "User denied the request for Geolocation.";
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break;
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case error.POSITION_UNAVAILABLE:
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msg = "Location information is unavailable.";
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break;
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case error.TIMEOUT:
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msg = "The request to get user location timed out.";
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break;
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case error.UNKNOWN_ERROR:
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msg = "An unknown error occurred.";
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break;
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}
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that.onceNowPosition = msg;
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that.state = false;
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outit();
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};
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let options = {
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enableHighAccuracy: true,
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// timeout: 5000,
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timeout: Infinity,
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maximumAge: 0,
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};
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this.getOnceSPosition = navigator.geolocation.getCurrentPosition(
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success,
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error,
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options
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);
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//高德定位
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// console.log("开始获取一次定位");
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// this.state = true;
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// let that = this;
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// that.outData();
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// AMap.plugin("AMap.Geolocation", function() {
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// var geolocation = new AMap.Geolocation({
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// // 是否使用高精度定位，默认：true
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// enableHighAccuracy: true,
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// // 设置定位超时时间，默认：无穷大
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// // timeout: 10000,
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// });
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// geolocation.getCurrentPosition();
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// AMap.event.addListener(geolocation, "complete", onComplete);
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// AMap.event.addListener(geolocation, "error", onError);
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// function onComplete(data) {
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// // data是具体的定位信息
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// // console.log(data);
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// var lat = data.position.lat;
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// var lon = data.position.lng;
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// // console.log("成功返回经纬度信息");
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// // console.log(lon, lat, "成功");
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// that.onceNowPosition = [lon, lat];
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// this.state = false;
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// that.outData();
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// }
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// function onError(data) {
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// // 定位出错
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// // console.log(data);
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// that.onceNowPosition = data;
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// this.state = false;
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// that.outData();
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// }
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// });
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}
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//结束获取
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outInit() {
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}
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//抛出数据
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outData() {
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let d = {
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state: this.state,
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intlat: this.onceNowPosition
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}
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this.fn(d)
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}
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}
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