python爬虫爬取7天天气+php调用python文件

# -*- coding: utf-8 -*- import requests import csv import random import chardet import time import socket import http.client # import urllib.request from bs4 import BeautifulSoup def get_content(url , data = None): header={ 'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,*/*;q=0.8', 'Accept-Encoding': 'gzip, deflate, sdch', 'Accept-Language': 'zh-CN,zh;q=0.8', 'Connection': 'keep-alive', 'User-Agent': 'Mozilla/5.0 (Windows NT 6.3; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/43.0.235' } timeout = random.choice(range(80, 180)) while True: try: rep = requests.get(url,headers = header,timeout = timeout) rep.encoding = 'utf-8' # req = urllib.request.Request(url, data, header) # response = urllib.request.urlopen(req, timeout=timeout) # html1 = response.read().decode('UTF-8', errors='ignore') # response.close() break # except urllib.request.HTTPError as e: # print( '1:', e) # time.sleep(random.choice(range(5, 10))) # # except urllib.request.URLError as e: # print( '2:', e) # time.sleep(random.choice(range(5, 10))) except socket.timeout as e: print( '3:', e) time.sleep(random.choice(range(8,15))) except socket.error as e: print( '4:', e) time.sleep(random.choice(range(20, 60))) except http.client.BadStatusLine as e: print( '5:', e) time.sleep(random.choice(range(30, 80))) except http.client.IncompleteRead as e: print( '6:', e) time.sleep(random.choice(range(5, 15))) return rep.text # return html_text def get_data(html_text): final = [] bs = BeautifulSoup(html_text, "html.parser") # 创建BeautifulSoup对象 body = bs.body # 获取body部分 data = body.find('div', {'id': '7d'}) # 找到id为7d的div ul = data.find('ul') # 获取ul部分 li = ul.find_all('li') # 获取所有的li for day in li: # 对每个li标签中的内容进行遍历 temp = [] date = day.find('h1').string # 找到日期 temp.append(date) # 添加到temp中 inf = day.find_all('p') # 找到li中的所有p标签 temp.append(inf[0].string,) # 第一个p标签中的内容（天气状况）加到temp中 if inf[1].find('span') is None: temperature_highest = None # 天气预报可能没有当天的最高气温（到了傍晚，就是这样），需要加个判断语句,来输出最低气温 else: temperature_highest = inf[1].find('span').string # 找到最高温 temperature_highest = temperature_highest.replace('℃', '') # 到了晚上网站会变，最高温度后面也有个℃ temperature_lowest = inf[1].find('i').string # 找到最低温 temperature_lowest = temperature_lowest.replace('℃', '') # 最低温度后面有个℃，去掉这个符号 temp.append(temperature_highest) # 将最高温添加到temp中 temp.append(temperature_lowest) #将最低温添加到temp中 final.append(temp) #将temp加到final中 return final def write_data(data, name): file_name = name with open(file_name, 'a', errors='ignore', newline='') as f: f_csv = csv.writer(f) f_csv.writerows(data) if __name__ == '__main__': url ='http://www.weather.com.cn/weather/101121401.shtml' html = get_content(url) print(html) result = get_data(html) print(result)