电子商务网站模版重庆关键词自然排名
demo 地址: https://github.com/iotjin/jh_flutter_demo
代码不定时更新，请前往github查看最新代码
这里介绍的是不需要自己开发地图，直接通过给定的经纬度，跳转到三方地图APP调用导航的方式
一种是写的工具类，一种是通过调用三方库map_launcher实现的
官方文档：
-
跳转高德导航 - 路径规划
高德地图官方文档 - Android
高德地图官方文档 - iOS -
跳转高德导航
高德地图官方文档 -
跳转百度导航 - 路径规划
百度地图官方文档 -
跳转腾讯导航
腾讯地图官方文档
参考文章：
Flutter 跳转地图软件调起导航：百度、高德、腾讯、苹果
Flutter 实战调起三方地图导航（高德、百度、腾讯、苹果）
插件：
map_launcher
flutter_map
maps_launcher
实现
在 pubspec.yaml 文件中添加依赖插件：
# url打开工具 https://pub.flutter-io.cn/packages/url_launcherurl_launcher: ^6.1.14# 打开地图工具 https://pub.flutter-io.cn/packages/map_launchermap_launcher: ^2.5.0+1
示例demo
/// map_jump_test_page.dart
///
/// Created by iotjin on 2023/10/16.
/// description: 跳转三方地图APPimport 'package:flutter/material.dart';
import 'package:map_launcher/map_launcher.dart';
import '/jh_common/utils/jh_map_utils.dart';
import '/jh_common/widgets/jh_text_list.dart';// ignore_for_file: avoid_printfinal List titleData = ['高德(JhMapUtils)','高德2(JhMapUtils)','百度(JhMapUtils)','腾讯(JhMapUtils)','三方库跳转高德(map_launcher)','三方库弹出地图列表(map_launcher)',
];class MapJumpTestPage extends StatefulWidget {const MapJumpTestPage({Key? key}) : super(key: key);State<MapJumpTestPage> createState() => _MapJumpTestPageState();
}class _MapJumpTestPageState extends State<MapJumpTestPage> {var latitude = 39.922869448132474;var longitude = 116.40748500823975;Widget build(BuildContext context) {return JhTextList(title: '跳转三方地图导航',dataArr: titleData,callBack: (index, str) {if (str == '高德(JhMapUtils)') {JhMapUtils.openAMapNavi(dLatitude: latitude, dLongitude: longitude);}if (str == '高德2(JhMapUtils)') {JhMapUtils.openAMapNavi2(latitude: latitude, longitude: longitude);}if (str == '百度(JhMapUtils)') {JhMapUtils.openBaiduMapNavi(dLatitude: latitude, dLongitude: longitude);}if (str == '腾讯(JhMapUtils)') {JhMapUtils.openTencentMapNavi(dLatitude: latitude, dLongitude: longitude);}if (str == '三方库跳转高德(map_launcher)') {_gotoMap();}if (str == '三方库弹出地图列表(map_launcher)') {_openMapsSheet(context);}},);}_gotoMap() async {// Get list of installed maps and launch firstfinal availableMaps = await MapLauncher.installedMaps;print(availableMaps); // [AvailableMap { mapName: Google Maps, mapType: google }, ...]// [// AvailableMap{// mapName: GoogleMaps,// mapType: google// },// AvailableMap{// mapName: Amap,// mapType: amap// },// AvailableMap{// mapName: BaiduMaps,// mapType: baidu// },// AvailableMap{// mapName: Tencent(QQMaps),// mapType: tencent// }// ]// await availableMaps.first.showMarker(// coords: Coords(latitude, longitude),// title: "Ocean Beach",// );// await availableMaps[1].showMarker(// coords: Coords(latitude, longitude),// title: "Ocean Beach",// );// Check if map is installed and launch it #var canIn = await MapLauncher.isMapAvailable(MapType.amap);print('canIn: $canIn');if (await MapLauncher.isMapAvailable(MapType.amap) == true) {await MapLauncher.showMarker(mapType: MapType.amap,coords: Coords(latitude, longitude),title: 'title',description: 'description',);}}_openMapsSheet(context) async {try {const title = "Ocean Beach";final availableMaps = await MapLauncher.installedMaps;showModalBottomSheet(context: context,builder: (BuildContext context) {return SafeArea(child: SingleChildScrollView(child: Wrap(children: <Widget>[for (var map in availableMaps)ListTile(onTap: () => map.showMarker(coords: Coords(latitude, longitude), title: title),title: Text(map.mapName),leading: const Icon(Icons.map, size: 30),),],),),);},);} catch (e) {print(e);}}
}
jh_map_utils实现代码
/// jh_map_utils.dart
///
/// Created by iotjin on 2023/05/06.
/// description:import 'dart:math';
import 'package:flutter/material.dart';
import 'package:url_launcher/url_launcher.dart';
import 'jh_device_utils.dart';class JhMapUtils {/// 跳转其他Appstatic Future<void> jumpApp({String? url, String message = '跳转失败！'}) async {final Uri uri = Uri.parse(url ?? '');if (await canLaunchUrl(uri)) {await launchUrl(uri);} else {debugPrint(message);// JhProgressHUD.showText(message);}}/// 判断地图是否有安装static Future<bool> isInstallMap(String url) async {// var url = Uri.parse(Uri.encodeFull(url));final Uri uri = Uri.parse(url);bool canLaunch = await canLaunchUrl(uri);debugPrint('canLaunch: $canLaunch');return canLaunchUrl(uri);}/// 跳转高德导航 - 路径规划/// 高德地图官方文档 - Android: https://lbs.amap.com/api/amap-mobile/guide/android/route/// 高德地图官方文档 - iOS: https://lbs.amap.com/api/amap-mobile/guide/ios/routestatic void openAMapNavi({double? sLatitude, // 起点纬度double? sLongitude, // 起点经度String sName = '', // 起点名称required double dLatitude, // 终点纬度required double dLongitude, // 终点经度String dName = '', // 终点名称String dev = '0', // 起终点是否偏移。0:lat和lon是已经加密后的,不需要国测加密;1:需要国测加密，可为空，但起点或终点不为空时，不能为空String t = '0', // t = 0 驾车； t = 1 公交； t = 2 步行； t = 3 骑行（骑行仅在V788以上版本支持）String message = '您没有安装高德地图，请先安装高德地图！',}) async {if (!JhDeviceUtils.isMobile) {return;}var type = JhDeviceUtils.isIOS ? 'iosamap://path?sourceApplication=applicationName&' : 'amapuri://route/plan/?';var url ='${type}sid=&slat=${sLatitude ?? ''}&slon=${sLongitude ?? ''}&sname=$sName&dlat=$dLatitude&dlon=$dLongitude&dname=$dName&dev=$dev&t=$t';// if (!(await canLaunchUrl(Uri.parse(url)))) {// debugPrint(message);// // JhProgressHUD.showText(message);// return;// }await launchUrl(Uri.parse(url));}/// 跳转高德导航/// 高德地图官方文档: https://lbs.amap.com/api/amap-mobile/guide/android/navigationstatic void openAMapNavi2({required double latitude,required double longitude,String poiName = '',String dev = '0', // 是否偏移(0:lat 和 lon 是已经加密后的,不需要国测加密; 1:需要国测加密)String message = '您没有安装高德地图，请先安装高德地图！',}) async {var device = JhDeviceUtils.isAndroid ? 'android' : 'ios';var url = '${device}amap://navi?sourceApplication=amap&poiname=$poiName&lat=$latitude&lon=$longitude&dev=$dev';// if (!(await canLaunchUrl(Uri.parse(url)))) {// debugPrint(message);// // JhProgressHUD.showText(message);// return;// }await launchUrl(Uri.parse(url));}/// 跳转百度导航 - 路径规划/// 百度地图官方文档: https://lbsyun.baidu.com/index.php?title=uri/api/androidstatic void openBaiduMapNavi({double? sLatitude, // 起点纬度double? sLongitude, // 起点经度String sName = '', // 起点名称required double dLatitude, // 终点纬度required double dLongitude, // 终点经度String dName = '', // 终点名称String mode = 'driving', // 导航模式，可选transit（公交）、driving（驾车）、walking（步行）和riding（骑行）默认:drivingString coordType ='gcj02', // 坐标类型，必选参数。coord_type= bd09ll 允许的值为：bd09ll（百度经纬度坐标） bd09mc（百度墨卡托坐标） gcj02（经国测局加密的坐标） wgs84（gps获取的原始坐标）String message = '您没有安装百度地图，请先安装百度地图！',}) async {var url ='baidumap://map/direction?origin=name:$sName|latlng:$sLatitude,$sLongitude&destination=name:$dName|latlng:$dLatitude,$dLongitude&mode=$mode&coord_type=$coordType';// if (!(await canLaunchUrl(Uri.parse(url)))) {// debugPrint(message);// // JhProgressHUD.showText(message);// return;// }await launchUrl(Uri.parse(url));}/// 跳转腾讯导航/// 腾讯地图官方文档: https://lbs.qq.com/webApi/uriV1/uriGuide/uriMobileRoutestatic void openTencentMapNavi({double? sLatitude, // 起点纬度double? sLongitude, // 起点经度String sName = '', // 起点名称required double dLatitude, // 终点纬度required double dLongitude, // 终点经度String dName = '', // 终点名称String type = 'drive', // 路线规划方式参数： 公交：bus 驾车：drive 步行：walk 骑行：bikeString referer = 'OB4BZ-D4W3U-B7VVO-4PJWW-6TKDJ-WPB77', // 请填写开发者key，String message = '您没有安装腾讯地图，请先安装腾讯地图！',}) async {// 起点坐标，格式：lat,lng （纬度在前，经度在后，逗号分隔） 功能参数值：CurrentLocation ：使用定位点作为起点坐标var formInfo = (sLatitude == null || sLongitude == null)? 'from=$sName&CurrentLocation': 'from=$sName&fromcoord=$sLatitude,$sLongitude';var url = 'qqmap://map/routeplan?type=$type&${formInfo}&to=$dName&tocoord=$dLatitude,$dLongitude&referer=$referer';// if (!(await canLaunchUrl(Uri.parse(url)))) {// debugPrint(message);// // JhProgressHUD.showText(message);// return;// }await launchUrl(Uri.parse(url));}static const double earthRadius = 6378.137; //地球半径//计算两点间距离static double distance(double lat1, double lng1, double lat2, double lng2) {double radLat1 = _rad(lat1);double radLat2 = _rad(lat2);double a = radLat1 - radLat2;double b = _rad(lng1) - _rad(lng2);double s = 2 * asin(sqrt(pow(sin(a / 2), 2) + cos(radLat1) * cos(radLat2) * pow(sin(b / 2), 2)));s *= earthRadius;s = (s * 10000).round() / 10000;return s;}static double _rad(double d) {return d * pi / 180.0; //角度转换成弧度}
}