目标网站:红网
爬取目的:为了获取某一地区更全面的在红网已发布的宣传新闻稿,同时也让自己的工作更便捷
环境:Pycharm2021,Python3.10,
安装的包:requests,csv,bs4,datetime
代码如下:(代码中附详细解析)
后续会不断完善,会出界面版,提高大家易用性;同时修改完善代码,设置为可指定获取的时间段的新闻稿。也会陆续更新其他新闻平台的新闻获取爬虫。
#!/usr/bin/env python
# -*- coding: utf-8 -*-
# @Time : 2024/3/25 23:05
# @Author : LanXiaoFang
# @Site :
# @File : redNet.py
# @Software: PyCharm
import csv
import requests
from bs4 import BeautifulSoup
import datetime
header = {
'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8',
'Accept - Encoding': 'gzip, deflate, br',
"Accept - Language": "zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2",
'Connection': "keep - alive",
'Referer': 'https://news-search.rednet.cn/Search?q=%E5%8F%8C%E7%89%8C',
'User-Agent': "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:124.0) Gecko/20100101 Firefox/124.0",
"Cookie": "wdcid=7486a2c50eaf8af8; Hm_lvt_c96b65e9975fa39afbd5e90222af5f39=1711378746,1711528844; Hm_lvt_aaecf8414f59c3fb0127932014cf53c7=1711378746,1711528844; __jsluid_s=56e0acf3607072cce852b9d4fc556f54; Hm_lpvt_c96b65e9975fa39afbd5e90222af5f39=1711528844; Hm_lpvt_aaecf8414f59c3fb0127932014cf53c7=1711528844; __jsl_clearance_s=1711530480.242|1|%2F%2BG2WNMEpLXiwlUgRr2hiMkP%2BMg%3D",
"Upgrade-Insecure-Requests": "1",
}
def get_all_indexes(s, char):
return [i for i, c in enumerate(s) if c == char]
# 获取系统时间
now = datetime.datetime.now()
year = now.year # 年
month = now.month # 月
day = now.day # 日
# 创建CSV文件并写入头部信息
with open(str(month) + 'MTitleSP.csv', 'w', newline='', encoding='utf-8') as csvfile:
writer = csv.writer(csvfile)
writer.writerow(['序号', '新闻名称', '新闻来源', '媒体级别', '发布日期', '原文链接']) # 根据实际情况定义列名
with open(str(month) + 'MTitleNSP.csv', 'w', newline='', encoding='utf-8') as csvfile:
writer = csv.writer(csvfile)
writer.writerow(['序号', '新闻名称', '新闻来源', '媒体级别', '发布日期', '原文链接']) # 根据实际情况定义列名
article_no_sp = 1 # 用于计在标题含指定区域的存储的表中的数据的序号
article_no = 1 # 用于计在标题不含但内容含指定区域的存储的表中的数据的序号
get_go = 0 # 获取第几页开始的数据,现在是0开始
count = 0 # 用于计算总共爬取的新闻数量
area = '双牌' # 爬取指定区域的文章
# 相当于满足条件就是一直循环
while get_go >= 0:
url = 'https://news-search.rednet.cn/Search?q=%E5%8F%8C%E7%89%8C&s=0&o=1&r=0&p=' + str(get_go)
print(url)
html = requests.get(url, headers=header)
html.encoding = 'utf-8'
get_go += 1
if html.status_code == 200:
soups = BeautifulSoup(html.text, 'html.parser')
article_info = soups.find_all('div', class_='result')
# print(len(article_info), '\n')
for i in article_info:
result_info = i.find_all('div', class_='result-info')
station_source = result_info[0].select('span') # 选择result_info下的所有span标签
station_info = station_source[0].text # 文章发布站点
source_info = station_source[1].text # 文章来源
print(station_info, source_info)
# print(i.find_all('div', class_='title'), '\n')
title_info = i.find_all('div', class_='title')
# 文章链接
article_href = title_info[0].a.get('href')
if station_info[3:] == area + "新闻网":
# print("双牌新闻网文章链接:", article_href, "---------", "https://moment.rednet.cn/pc" + article_href[22:])
article_href = "https://moment.rednet.cn/pc" + article_href[22:]
# 修改文章来源为红网时刻
if 'rednet' in article_href:
source_info = "红网"
if 'moment.rednet' in article_href:
source_info = "红网时刻"
if '来源' in source_info:
source_info = station_info[3:]
# 文章标题
article_title = title_info[0].h3.text
# 获取发布时间
article_up_time = title_info[0].span.text
# 把显示为进入和昨天的时间,改为具体的日期
if article_up_time == '今天':
article_up_time = str(year) + '.' + str(month) + '.' + str(day)
elif article_up_time == '昨天':
article_up_time = str(year) + '.' + str(month) + '.' + str(day - 1)
# 修改时间显示格式,-替换为.
else:
# article_up_time = article_up_time[:4] + '.' + article_up_time[5:7] + '.' + article_up_time[8:10] + '.'
article_up_time = article_up_time.replace('-', '.')
count += 1
print(count, '----新闻名称', article_title, '文章来源', source_info, '发布日期', article_up_time, '原文链接',
article_href)
# 得到这篇文章发布的月份
all_index = get_all_indexes(article_up_time, '.')
article_up_time_month = article_up_time[all_index[0] + 1:all_index[1]]
# 只要本月的,如果获取到的文章是本月之前的则不再获取,退出循环
if int(article_up_time_month) < month:
print('已经不是这个月的啦', int(article_up_time_month), month)
get_go = -1
break
# 把数据存入表格 根据标题是否含有双牌两个字 分开存储
if area in article_title:
# 这个是标题含有双牌的
with open(str(month) + 'MTitleSP.csv', 'a', newline='', encoding='utf-8') as csvfile:
writer = csv.writer(csvfile)
writer.writerow([article_no_sp, article_title, source_info, '省级', article_up_time, article_href])
article_no_sp += 1
else:
# 这个是标题不含但是内容含有双牌的
with open(str(month) + 'MTitleNSP.csv', 'a', newline='', encoding='utf-8') as csvfile:
writer = csv.writer(csvfile)
writer.writerow([article_no, article_title, '省级', source_info, article_up_time, article_href])
article_no += 1
由于现在是2024年4月1日 13:04,文章更新的本月的不多。
运行结果如下: