python爬取天气

python 爬虫

简单的爬取天气情况

```python from pypinyin import lazy_pinyin import requests from lxml import etree import re

Baseurl = 'https://www.tianqi.com/' headers = { 'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/79.0.3945.88 Safari/537.36', }

while True: citry = input("请输入城市名称:") pin_list = lazy_pinyin(citry, style=False) citry_pin = ''.join(pin_list)

Url = Baseurl + citry_pin
request = requests.get(url=Url,headers=headers)
request.encoding = ''

Data = etree.HTML(request)
print(Data.xpath('//div//dl//dd[@]/h2/text()'))


Tianqi_Data = etree.HTML(request)
citry_name = Tianqi_Data.xpath('//div//dl//dd[@]/h2/text()')[0]
citry_week = Tianqi_Data.xpath('//div//dl//dd[@]/text()')[0]
citrys = f'{citry_name}\n{citry_week}\n'

citry_weather_now1 = Tianqi_Data.xpath('//div//dl//dd//p[@]/b/text()')[0]
citry_weather_now3 = Tianqi_Data.xpath('//div//dl//dd[@]/span/b/text()')[0]
citry_weather_now4 = Tianqi_Data.xpath('//div//dl//dd[@]/span/text()')[0]
citry_weather = f'{citry_weather_now1}℃\n天气:{citry_weather_now3}\n{citry_weather_now4}\n'

citry_shidus = Tianqi_Data.xpath('//div//dl//dd[@]/b/text()')
citry_shidu = ",".join(citry_shidus)

citry_kongqi1 = Tianqi_Data.xpath('//div//dl//dd[@]/h5/text()')[0]
citry_kongqi2 = Tianqi_Data.xpath('//div//dl//dd[@]/span/text()')
citry_kongqi3 = Tianqi_Data.xpath('//div//dl//dd[@]/h6/text()')[0]
citry_kongqi = f'{citry_kongqi1}\nPM2.5:{citry_kongqi3.split(":")[-1]}\n{citry_kongqi2[0]}\n{citry_kongqi2[1]}\n'

print(f'{citrys}\n{citry_weather}\n{citry_shidu}\n\n{citry_kongqi}')

YN = input('是否查询未来天气(Y/N):')
if YN == 'Y':
  day = input('请输入查询未来天气天数(3/7/15/30/40):')
  url_Jinqi = f'{Url}/{day}'
  req = requests.get(url=url_Jinqi, headers=headers).text
  Data_jinqi = etree.HTML(req)
  Q_time = Data_jinqi.xpath('//ul[@]//li//div//span/text()')
  Q_weather = Data_jinqi.xpath('//div[@]//text()')
  j = 0
  result = []
  for i in range(0, len(Q_time), 4):
    weather = [Q_weather[i] for i in range(0, len(Q_weather), 5)]
    result.append(
      Q_time[i] + ',' + Q_time[i + 1] + ',' + weather[j] + ',' + '温度:' + Q_time[i + 2] + '~' + Q_time[
        i + 3] + '℃')
    j += 1
  for item in result:
    print(item)
else:
  print('已退出!')

```