python 爬取腾讯全网影视榜 | 您所在的位置:网站首页 › 腾讯视频爬虫 › python 爬取腾讯全网影视榜 |
目标网站: https://v.qq.com/x/hotlist/search/?channel=1 对网站发送请求 import requests url = 'https://v.qq.com/x/hotlist/search/?channel=1' headers = { 'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.140 Safari/537.36 Edge/18.17763', } r = requests.get(url,headers=headers)导入三个解析库 解析时,要加上r.encoding = ‘utf - 8’,否则报错. import requests import re from lxml import etree from bs4 import BeautifulSoup url = 'https://v.qq.com/x/hotlist/search/?channel=1' headers = { 'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.140 Safari/537.36 Edge/18.17763', } r = requests.get(url,headers=headers) r.encoding = 'utf-8'对电影名字解析 tree = etree.HTML(r.text) title = tree.xpath('//div[@class="item item_a"]/a/@title')对每个电影的地址解析 href = tree.xpath('//div[@class="item item_a"]/a/@href')href只是每个电影的网页页面,还要进行二次爬取。 接下来遍历每个电影的网页地址,分别发送请求 获取相应的电影地址,并保存到csv文件中 导入csv import csv创建csv文件并命名两列标题[([‘名字’,‘地址’]) #打开文件,追加w out = open('F:\腾讯电影热搜榜\腾讯视频top50名字 + 地址.csv','w', newline='') #设定写入模式 eWriter = csv.writer(out,delimiter=',',lineterminator='\r\n') csv_write = csv.writer(out,dialect='excel') csv_write.writerow(['名字','地址'])开始遍历,对每个电影名字以及地址进行保存 for a in range(50): print('==============================================================================') url_1 = href[a] time.sleep(0.5) print('开始解析第{}个电影'.format(a + 1)) r_1 = requests.get(url_1,headers=headers) r_1.encoding = 'utf-8' tree_1 = etree.HTML(r_1.text) time.sleep(0.5) print('开始获取第{}个电影地址'.format(a + 1)) time.sleep(0.5) try: print('开始用第一个方法解析') href_1 = tree_1.xpath('//div[@class="_infos"]/div/a/@href')[0] except: print('第一种方法失败') print('开始用第二种方法解析') href_1 = tree_1.xpath('//div[@class="_infos"]/div/a/@href') time.sleep(0.5) print('{}-{}开始写入'.format(a + 1,title[a])) csv_write.writerow([title[a],'{}'.format(href_1)]) time.sleep(0.5) print('{}-{}写入完成'.format(a + 1,title[a])) time.sleep(0.5)完成后程序退出 print("=============================================================================") print('top50写入完成') print('程序3秒后退出') time.sleep(3) out.close() |
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