Python调用高德API实现多路径点规划，输出地图导航

前言

参比赛时，需要调用高德API进行多路径点规划，结果高德一次性只能添加16个路径点，为了让多达20个路径点出现在一张地图上便写了这个代码

准备 :
需要一个高德官网申请的API Key
代码需要输入经纬度(这里就不过多讲述如何获取路径点的经纬度)
需要按照特定格式做成excel表格，相信对大家来说不是很难的

1.申请高德API

先进入高德开放平台的控制台申请一个Key
1.先创建一个应用

2.选择添加key

3.选择Web服务

这就是我们需要的Key啦

2.代码部分

import folium
from folium import plugins
import numpy as np
import pandas as pd
import requests

strategy = 5 #规划策略 见https://lbs.amap.com/api/webservice/guide/api/direction#driving
gaode_key = '替换为你的Key' #调用高德地图key
lat_and_lon = [] #储存详细坐标经纬度
Lon = []   # 储存经度
Lat = []   # 储存纬度
df = pd.read_excel('总数据.xlsx', sheet_name='一区')
way_lon = df['经度'].tolist()
way_lat = df['纬度'].tolist()
waypoint = '' #路径点
jwd = df['经纬度'].tolist() #供应商经纬度
grouped_strings = []
tolls = 0
duration = 0

def get_routes(start, end, mode, gaode_key, waypoint):
    url = f'https://restapi.amap.com/v3/direction/driving?origin={start}&destination={end}&strategy={mode}&waypoints={waypoint}&key={gaode_key}'
    response = requests.get(url)
    data = response.json()

    if data['status'] == '1':
        routes = data['route']['paths'][0]['steps']
        return routes
    else:
        print('未获取到相关路径')
        return None

for i in range(0, len(jwd), 16):
    group = jwd[i:i + 16]
    string = ';'.join(map(str, group))
    start = group[0]
    end = group[-1]
    waypoint = string

    # 获取路线规划
    routes = get_routes(start, end, strategy, gaode_key, waypoint)

    if routes:
        for i, step in enumerate(routes):
            lat_and_lon.append(step["polyline"])
            tolls += int(step["tolls"])
            duration += int(step["duration"])
    else:
        print('无法获取路线规划。')

# 提取坐标点并全添加到 Lon 和 Lat 列表中
for item in lat_and_lon:
    points = item.split(';')
    for point in points:
        coords = point.split(',')
        Lon.append(float(coords[0]))
        Lat.append(float(coords[1]))

def Map(Lat, Lon, la, lo):
    tri = np.array(list(zip(Lat, Lon)))
    san_map = folium.Map(
        location=[23.243466, 113.637713],
        zoom_start=16,
        # 调用高德街道图
        tiles='http://webrd02.is.autonavi.com/appmaptile?lang=zh_cn&size=1&scale=1&style=7&x={x}&y={y}&z={z}',
        # tiles='http://webst02.is.autonavi.com/appmaptile?style=6&x={x}&y={y}&z={z}', # 高德卫星图
        attr='default')

    folium.PolyLine(tri, color='#ff0000').add_to(san_map)
    marker_cluster = plugins.MarkerCluster().add_to(san_map)
    for lat, lon in zip(la, lo):
        icon = folium.Icon(color='red', icon='info-sign')  # 自定义图标
        folium.Marker([lat, lon], icon=icon).add_to(marker_cluster)
    san_map.save('地图.html')
    print("总花费{}元".format(tolls))
    print("耗费{}分钟".format(duration/60))

def main():
    Map(Lat, Lon, way_lat, way_lon)

if __name__ == '__main__':
    main()