Python学习的第五天

1.图片的下载

# 图片的下载
import requests
url = 'http://g.hiphotos.baidu.com/image/pic/item/5366d0160924ab18014cefd83bfae6cd7a890b82.jpg'
response = requests.get(url)
# 获取bytes类型的响应
data = response.content
with open('风景.jpg','wb') as f:
    f.write(data)

目录文件夹下下载的图片.png

image.png

2.爬虫——豆瓣电影TOP250

# 导入
import requests
from lxml import 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
            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]
            # 电影的名字
            # movie_name
            movie_name = movie.xpath('./div[@class="item"]/div[@class="info"]/div[@class="hd"]/a/span[1]/text()')[0]
            # 电影的介绍
            # movie_introduce
            movie_introduce = movie.xpath('./div[@class="item"]/div[@class="info"]/div[@class="bd"]/p[1]/text()')[0].strip()
            print(movie_introduce)
            # 电影的星级
            # star
            star = movie.xpath('./div[@class="item"]/div[@class="info"]/div[@class="bd"]/div[@class="star"]/span[2]/text()')[0]
            print(star)
            # 电影的评价
            # evalute
            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','')
            print(evalute)
            # 电影的描述
            # describe
            describe = movie.xpath('./div[@class="item"]/div[@class="info"]/div[@class="bd"]/p[@class="quote"]/span[1]/text()')
            print(describe)
            # 电影的封面
            # movie_img_url
            movie_img_url = movie.xpath('./div[@class="item"]/div[@class="pic"]/a/img/@src')[0]
            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 ol_list:
        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()

image.png

豆瓣电影TOP250.png