用Python获取黄石市近7天天气预报

import re
import requests
from bs4 import BeautifulSoup

def get_page(url): #获取URL
    try:
        headers = {‘user-agent‘:‘Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.90 Safari/537.36‘}
        r = requests.get(url,headers)
        r.raise_for_status()
        r.encoding = r.apparent_encoding
        return r.text
    except:
        return ‘出现异常‘ #异常处理，防止出现错误

def parse_page(html, weather_list):
    soup = BeautifulSoup(html, ‘html.parser‘)
    day_list = soup.find(‘ul‘, ‘t clearfix‘).find_all(‘li‘)
    for day in day_list:
        date = day.find(‘h1‘).get_text()
        wea = day.find(‘p‘,  ‘wea‘).get_text()
        if day.find(‘p‘, ‘tem‘).find(‘span‘): #判断标签‘p‘,‘tem‘下是否有标签‘span‘，以此判断是否有最高温
                tem_h = day.find(‘p‘, ‘tem‘).find(‘span‘).get_text()
        else:
                tem_h = ‘‘ #最高温
        tem_l = day.find(‘p‘, ‘tem‘).find(‘i‘).get_text() #最低温
        win1 = re.findall(‘(?<= title=").*?(?=")‘, str(day.find(‘p‘,‘win‘).find(‘em‘)))
        win2 = ‘-‘.join(win1) #风向，win1-win2
        level = day.find(‘p‘, ‘win‘).find(‘i‘).get_text() #风力
        weather_list.append([date, wea, tem_l, tem_h, win2, level])


def print_wea(weather_list):
    s = ‘ \t‘ * 3
    print(s.join((‘日期‘, ‘天气‘, ‘最低温‘, ‘最高温‘, ‘风向‘, ‘风力‘)))
    for i in weather_list:
        print(i[0], ‘\t‘,i[1],‘\t\t\t‘,i[2],‘\t\t\t‘,i[3],‘\t\t‘,i[4],‘\t\t‘,i[5]) #按格式输出

def main():
    url = ‘http://www.weather.com.cn/weather/101200601.shtml‘
    html = get_page(url)
    wea_list = []
    parse_page(html, wea_list)
    print("\t\t\t\t\t\t\t\t\t黄石市近7天天气预报")
    print_wea(wea_list)

if __name__ == ‘__main__‘:
    main()