python

--coding:UTF-8--

'''根据行政区域查询''' import json import csv import sys import requests # 导入requests库，这是一个第三方库，把网页上的内容爬下来用的

ty = sys.getfilesystemencoding() import time

las = 1 # 给las一个值1 ak = '您申请的KEY码' out = open('j_str.csv', 'a', newline='') csv_write = csv.writer(out, dialect='excel') print(time.time()) print('开始') urls = [] # 声明一个数组列表 que = ''
'避险场所' ta = '露天停车场' for i in range(0, 20): page_num = str(i) url = 'http://api.map.baidu.com/place/v2/search?query=' + que + '&'
'tag=' + ta + '&region=郑州&page_size=20&page_num=' + str( page_num) + '&output=json&ak=' + ak urls.append(url) print('url列表读取完成') for url in urls: time.sleep(5) # 为了防止并发量报警，设置了一个5秒的休眠。 print(url) html = requests.get(url) # 获取网页信息 data = html.json() # 获取网页信息的json格式数据 print(data) for item in data['results']: jname1 = item['province'] jname2 = item['city'] jname3 = item['area'] jname4 = item['name'] jname = jname1 + jname2 + jname3 + jname4 j_uid = item['uid'] jstreet_id = item.get('street_id') jlat = item['location']['lat'] jlon = item['location']['lng'] jaddress = item['address'] jphone = item.get('telephone') j_str = (jname, j_uid, jstreet_id, str(jlat), str(jlon), jaddress, jphone) print(j_str) csv_write.writerow(j_str) print("write over") print(time.time()) print('完成')