Python学习的第五天

图片的下载

import requests
reponse = requests.get('https://timgsa.baidu.com/timg?image&quality=80&size=b9999_10000&sec=1565235088&di=081e944721e9c6d00c40106b951ed3e8&imgtype=jpg&er=1&src=http%3A%2F%2Fb-ssl.duitang.com%2Fuploads%2Fitem%2F201611%2F08%2F20161108100036_SdtXs.jpeg')
#获取bytes类型的响应
data = reponse.content
with open('水冰月.png','wb') as f:
    f.write(data)

运行结果：

水冰月

翻页网址

for i in range(0,250,25):
    url = 'https://movie.douban.com/top250?start={}&filter='.format(i)
    print(url)

网址

豆瓣TOP250电影爬虫

# 导入
import requests
from lxml import html
etree = html.etree
def spider_douban_top250():
    movie_list_info = []
    headers = {"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/75.0.3770.142 Safari/537.36"}
    for i in range(0, 250, 25):
        url = 'https://movie.douban.com/top250?start={}&filter='.format(i)
        # 获取bytes类型响应
        data = requests.get(url, headers=headers).content
        html = etree.HTML(data)
        ol_list = html.xpath('//div[@id="content"]//div[@class="article"]/ol/li')
        for movie in ol_list:
            # 影片序号
            serial_number = movie.xpath('./div[@class="item"]/div[@class="pic"]/em/text()')
            if len(serial_number) == 0:
                serial_number = ''
            else:
                serial_number = serial_number[0]
            #print(serial_number)
            # 电影的名字
            movie_name = movie.xpath('./div[@class="item"]/div[@class="info"]/div[@class="hd"]/a/span[1]/text()')[0]
            if len(movie_name) == 0:
                movie_name = ''
            else:
                movie_name = movie_name
            #print(movie_name)
            # 电影的介绍
            movie_introduce = movie.xpath('./div[@class="item"]/div[@class="info"]/div[@class="bd"]/p[1]/text()')[0].strip()
            if len(movie_introduce) == 0:
                movie_introduce = ''
            else:
                movie_introduce = movie_introduce
            #print(movie_introduce)
            # 电影的星级
            star = movie.xpath('./div[@class="item"]/div[@class="info"]/div[@class="bd"]/div[@class="star"]/span[2]/text()')[0]
            if len(star) == 0:
                star = ''
            else:
                star = star
            #print(star)
            # 电影的评价
            evalute = movie.xpath('./div[@class="item"]/div[@class="info"]/div[@class="bd"]/div[@class="star"]/span[4]/text()')
            evalute = evalute[0].replace('人评价', '')
            if len(evalute) == 0:
                evalute = ''
            else:
                evalute = evalute
            #print(evalute)
            # 电影的描述
            describe = movie.xpath('./div[@class="item"]/div[@class="info"]/div[@class="bd"]/p[@class="quote"]/span[1]/text()')
            if len(describe) == 0:
                describe = ''
            else:
                describe = describe
            #print(describe)
            # 电影封面的地址
            movie_img_url = movie.xpath('./div[@class="item"]/div[@class="pic"]/a/img/@src')[0]
            if len(movie_img_url) == 0:
                movie_img_url = ''
            else:
                movie_img_url = movie_img_url
            #print(movie_img_url)

            movie_list_info.append({
                'serial_number': serial_number,
                'movie_name': movie_name,
                'movie_introduce': movie_introduce,
                'star': star,
                'evalute': evalute,
                'describe': describe,
                'movie_img_url': movie_img_url
            })
    for movie in movie_list_info:
        print(movie)
    # 下载图片
    for movie in movie_list_info:
        url = movie['movie_img_url']
        resp = requests.get(url)
        if resp.status_code == 200:
            img_name = '0000000{}.jpg'.format(movie['serial_number'])
            with open('./imgs/{}'.format(img_name), 'wb') as f:
                f.write(resp.content)

spider_douban_top250()

运行结果：

豆瓣TOP250爬虫结果1

豆瓣TOP250爬虫结果2

豆瓣TOP250爬虫结果3