您好,登錄后才能下訂單哦!
這篇文章給大家分享的是有關Python如何爬取高德地圖地鐵線路及站點數據的內容。小編覺得挺實用的,因此分享給大家做個參考,一起跟隨小編過來看看吧。
前言
本文的文字及圖片來源于網絡,僅供學習、交流使用,不具有任何商業用途,版權歸原作者所有,如有問題請及時聯系我們以作處理。
# coding=utf-8 import requests import time import json import ast import os import utils from lxml import etree PAGE_URL = 'http://map.amap.com/subway/index.html?&1100' DATA_URL = 'http://map.amap.com/service/subway?srhdata=' HEADER = { "User-Agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_12_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36"} def fetchAllCity(url, header): r = requests.get(url, header) html = r.content element = etree.HTML(html) options = element.xpath("//a[contains(@class, 'city')]") cities = [] for option in options: city = { 'id': option.get('id'), 'name': option.get('cityname'), 'text': option.text } cities.append(city) return cities def parseCityData(citys): lw = open('./lwkt.txt', 'w') lw.write('wkt' + '\n') pw = open('./pwkt.txt', 'w') pw.write('wkt' + '\n') for city in citys: parseCityPointFromApi(city, lw, pw) def parseCityPointFromApi(city, lw, pw): url = DATA_URL + "{}_drw_{}.json".format(city['id'], city['name']) print(url) json_str = requests.get(url).text res = json.loads(json_str) res = res['l'] for r in res: st = r['st'] coords = [] for s in st: _coords = s.get('sl', '').split(',') coords.append(_coords) pwkt = '"POINT ({} {})"'.format(_coords[0], _coords[1]) pw.write(pwkt + '\n') new_coords = ','.join(['%s %s' % (coord[0], coord[1]) for coord in coords]) lwkt = '"LINESTRING(%s)"' % new_coords lw.write(lwkt + '\n') def main(): cities = fetchAllCity(PAGE_URL, HEADER) print(cities) parseCityData(cities) if __name__ == '__main__': main()
感謝各位的閱讀!關于“Python如何爬取高德地圖地鐵線路及站點數據”這篇文章就分享到這里了,希望以上內容可以對大家有一定的幫助,讓大家可以學到更多知識,如果覺得文章不錯,可以把它分享出去讓更多的人看到吧!
免責聲明:本站發布的內容(圖片、視頻和文字)以原創、轉載和分享為主,文章觀點不代表本網站立場,如果涉及侵權請聯系站長郵箱:is@yisu.com進行舉報,并提供相關證據,一經查實,將立刻刪除涉嫌侵權內容。