unity版本：2019.1.0f2
1.需要高德地图的key，去官网搞一个就行->高德的静态地图教程
2.然后将脚本挂在一个plane（Map_Tile）上就行了
3.加一个button，并将Onclick设置为下面的样子就完事了，然后导出，在手机上运行。
ps：精度不是很准，经纬度信息正常需要精确到小数点后十位，但这个返回最多五位好像是，，希望有大佬能告诉我怎么改
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Networking;
using UnityEngine.UI;public class MapTile : MonoBehaviour
{public string gps_info = "";public string otherinfo = "";public int flash_num = 1;private string url;void Awake(){StartCoroutine(StartGPS());}void Start(){}void Update(){url = "https://restapi.amap.com/v3/staticmap?" + "location=" + this.gps_info + "&zoom=17&size=400*400&key=bdc879e247d66224ddbccdca57df298f";//将这里面的key换成你自己的key}public void OnClickRefreshBtn(){this.gps_info = Input.location.lastData.longitude + "," + Input.location.lastData.latitude;this.otherinfo = " Time:" + Input.location.lastData.timestamp;this.flash_num += 1;Download(url);Debug.Log(url);}void OnGUI(){GUI.Label(new Rect(20, 10, 600, 48), this.gps_info);GUI.Label(new Rect(20, 100, 600, 48), this.otherinfo);GUI.Label(new Rect(20, 50, 600, 48), this.flash_num.ToString());}void Download(string url){StartCoroutine(MapDownload(url));}//下载url的地图瓦片，并将之放到panel上 IEnumerator MapDownload(string url){using (UnityWebRequest uwr = UnityWebRequestTexture.GetTexture(url)){yield return uwr.SendWebRequest();if (uwr.isNetworkError || uwr.isHttpError){Debug.Log(uwr.error);}else{//获取下载的资产包var texture = DownloadHandlerTexture.GetContent(uwr);yield return texture;GetComponent<Renderer>().material.mainTexture = texture;}}}//获取当前位置的url信息IEnumerator StartGPS(){// Input.location 用于访问设备的位置属性（手持设备）, 静态的LocationService位置// LocationService.isEnabledByUser 用户设置里的定位服务是否启用if (!Input.location.isEnabledByUser){this.otherinfo = "isEnabledByUser value is:" + Input.location.isEnabledByUser.ToString() + " Please turn on the GPS";yield return false;}// LocationService.Start() 启动位置服务的更新,最后一个位置坐标会被使用Input.location.Start(10.0f, 10.0f);int maxWait = 20;while (Input.location.status == LocationServiceStatus.Initializing && maxWait > 0){// 暂停协同程序的执行(1秒)yield return new WaitForSeconds(1);maxWait--;}if (maxWait < 1){this.otherinfo = "Init GPS service time out";yield return false;}if (Input.location.status == LocationServiceStatus.Failed){this.otherinfo = "Unable to determine device location";yield return false;}else{this.gps_info = Input.location.lastData.longitude + "," + Input.location.lastData.latitude;this.otherinfo = " Time:" + Input.location.lastData.timestamp;yield return new WaitForSeconds(100);}}void StopGPS(){Input.location.Stop();}}
参考资料：《AR游戏：基于Unity 5的增强现实开发》
还有一个大佬写的文章~unity获取设备经纬度（unity使用GPS）详解
