20223427范欣怡实验四报告

咦yi 2023-06-08 14:57:19

学号 2022-2023-2 《Python程序设计》实验四报告
课程：《Python程序设计》
班级：2234
姓名：范欣怡
学号：20223427
实验教师：王志强
实验日期：2022年5月15日
必修/选修：公选课

1.实验内容
此处填写实验的具体内容；
设计爬虫程序，获取网页上的天气信息，并通过邮件的方式发送给自己。
2. 实验过程及结果
（1）实验过程

A.导入与爬虫有关的库

B.获取所爬取网页的url，并进行UA伪装

C.建立获取天气情况的正则表达式

D.建立字典，处理数据

E.将字典中的数据取出，进行处理

F.编写邮件发送代码

G．调试运行

（2）实验源代码

import requests
import re
import smtplib
from email.mime.text import MIMEText
from email.utils import formataddr

from Tools.scripts.which import msg

url = 'http://www.weather.com.cn/weather/101010900.shtml'

header = {'User-Agent':'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko)'
                       'Chrome/92.0.4515.131 Safari/537.36 SLBrowser/8.0.1.1171 SLBChan/32'}
response = requests.get(url=url,headers=header)
response.encoding= 'utf-8'
weather_text = response.text
tem = '<li class=".*?">.*?<h1>(.*?)</h1>'
tem2 = '</big>.*?<p title="(.*?)" class="wea"'
tem3 = '<p class="tem">.*?<i>(.*?)</i>'
tem4 = '<p class="tem">.*?<span>(.*?)</span>'
date_list = re.findall(tem,weather_text, re.S)
condition_list = re.findall(tem2, weather_text, re.S)
min_tempture_list = re.findall(tem3, weather_text, re.S)
max_tempture_list = re.findall(tem4, weather_text, re.S)
weather_condition = {}
weather_tempture_min = {}
weather_tempture_max = {}
if len(max_tempture_list) == 6:
    weather_tempture_max[date_list[0]] = '无'
    for each in range(0, 3):
        weather_condition[date_list[each]] = condition_list[each]
        weather_tempture_min[date_list[each]] = min_tempture_list[each]
    for i in range(1, 3):
        weather_tempture_max[date_list[i]] = max_tempture_list[i]
else:
    for each in range(0, 3):
        weather_condition[date_list[each]] = condition_list[each]
        weather_tempture_min[date_list[each]] = min_tempture_list[each]
        weather_tempture_max[date_list[each]] = max_tempture_list[each]

text1 = []
for n in range(0, 3):
    text1.append('日期：' + date_list[n] + '\n天气状况:' + weather_condition[date_list[n]] + '\n最低温--最高温:' +
                 weather_tempture_min[date_list[n]] + '-' + weather_tempture_max[date_list[n]])
text2 = text1[0] + '\n' + text1[1] + '\n ' + text1[2]
print(text2)
fromfxyyy = '2463157225@qq.com'
password = 'pcjhiwlokpcdeaff'
tofxyyy = '2463157225@qq.com'
def mail():
    mail_text=text1[0]
    ret = True
    try:
        msg = MIMEText(mail_text)
        msg['From'] = formataddr(["From@一只小游鱼", fromfxyyy])
        msg['To'] = formataddr(["一只小游鱼", tofxyyy])
        msg['Subject'] = "今日天气"

        server = smtplib.SMTP_SSL("smtp.qq.com")
        server.login(fromfxyyy, password)
        server.sendmail(fromfxyyy, [tofxyyy], msg.as_string())
        server.quit()
    except Exception:
        ret = False
    return ret
ret = mail()
if ret:
    print("邮件发送成功")
else:
    print("邮件发送失败")