uniapp开发安卓App实现高德地图路线规划导航功能的全过程

import Amap from '@/js/lyn4ever-gaode.js';

//绘制规划路线
function PlanningRoute(start, end, _waypoints, result, fail) {
	let that = this;
	var myAmapFun = new amapFile.AMapWX({
		key: key
	});
	myAmapFun.getDrivingRoute({
		origin: start,
		destination: end,
		waypoints: _waypoints,
		success: function(data) {
			var points = [];
			if (data.paths && data.paths[0] && data.paths[0].steps) {
				var steps = data.paths[0].steps;
				for (var i = 0; i < steps.length; i++) {
					var poLen = steps[i].polyline.split(';');
					for (var j = 0; j < poLen.length; j++) {
						points.push({
							longitude: parseFloat(poLen[j].split(',')[0]),
							latitude: parseFloat(poLen[j].split(',')[1])
						})
					}
				}
			}
			result({
				points: points,
				color: "#0606ff",
				width: 8
			})
		},
		fail: function(info) {
			fail(info)
		}
	})
}

//标记标记点
function Makemarkers(startpoi, endpoi, waypoints, success) {
	let markers = [];
	//起点
	let start = {
		iconPath: "@/static/img/log/nav.png",
		id: 0,
		longitude: startpoi.split(",")[0],
		latitude: startpoi.split(",")[1],
		width: 23,
		height: 33,
		callout:{
			content:'起点',
		}
	}
	markers.push(start)
	//终点
	let end = {
		iconPath: "@/static/img/log/nav.png",
		id: 1,
		longitude: endpoi.split(",")[0],
		latitude: endpoi.split(",")[1],
		width: 23,
		height: 33,
		callout:{
			content:'终点',
		}
	}
	markers.push(end)
	//途经点,先将其分隔成为数组
	let _waypoints = waypoints.split(';')
	for (let i = 0, _len = _waypoints.length; i < _len; i++) {
		let point = {
			iconPath: "/static/tjd.png",
			id: i,
			longitude: parseFloat(_waypoints[i].split(",")[0]),
			latitude: parseFloat(_waypoints[i].split(",")[1]),
			width: 23,
			height: 33,
			callout:{
				content:'途径点',
			}
		}
		markers.push(point)
	}
	success(markers);
}

showRouter(){
	let that = this;
	var startPoi = that.longitude+','+that.latitude;
	var wayPoi ="";
	var endPoi = that.addressObj.longitude+','+that.addressObj.latitude;
	
	Amap.line(startPoi, endPoi, wayPoi,function(res){
		that.polyline=[];
		that.polyline.push(res)
	});
			
	Amap.markers(startPoi,endPoi,wayPoi,function(res){
		that.markers=[];
		that.markers.push.apply(that.markers,res)
	})
}

uni.request({
	/* url: 'http://47.95.151.202:8087/getDist/福州大学/福州三坊七巷', */
	url: 'http://47.95.151.202:8087/getDist/'+that.myAddress+'/'+that.realAddress,
	success: (res) => {
		// 请求成功之后将数据给Info
		var result = res.data;
		console.log(that.myAddress);
		console.log(that.realAddress);

		if(result.code===200)
		{
			var surface = [500, 200, 100, 50, 20, 10, 5, 2, 1, 0.5, 0.2, 0.1, 0.05, 0.02];
			var isset=1;
			var farthestDistance=result.data/1000;
			console.log(result.data);
			for(var i in surface) {
				if(farthestDistance >surface[i]) {
					that.myscale = 5 + Number(i);
					isset=0;
					break;
				}
			}
			if(isset) that.myscale=16;
			console.log(that.myscale);
		};
		if(result.code===500){
			uni.showToast({
				title: '获取距离错误，换个地点试试呗',
				icon: 'none',
			});
		}
	},
	fail(err) {
		res(err);
	}
});