xpath结合lxml爬取豆瓣正在上映的电影

太过爱你忘了你带给我的痛 2022-03-25 04:16 253阅读 0赞

# 源码 #

from lxml import etree
    import  requests
    
    url =  'https://movie.douban.com/cinema/nowplaying/shenzhen/'
    headers = { 
        'Referer': 'https://movie.douban.com/',
        'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/68.0.3440.106 Safari/537.36'
    }
    r=requests.get(url=url)
    html = etree.HTML(r.text)
    lis = html.xpath('//div[@id="nowplaying"]/div/ul/li[@class="list-item"]')
    movies = []
    
    for li in  lis:
        title = li.xpath('.//@data-title')[0]
        score = li.xpath('.//@data-score')[0]
        release = li.xpath('.//@data-release')[0]
        duration = li.xpath('.//@data-duration')[0]
        region = li.xpath('.//@data-region')[0]
        director = li.xpath('.//@data-director')[0]
        actors = li.xpath('.//@data-actors')[0]
        movie = { 
            'title': title,
            'score': score,
            'release': release,
            'duration': duration,
            'region': region,
            'director': director,
            'actors': actors
        }
        movies.append(movie)
    
    form="{!s}\t"*7
    print("电影\t评分\t上映时间\t时长\t地区\t导演\t演员")
    
    for  i in movies:
        print(print(form.format(i['title'],i['score'],i['release'],i['duration'],i['region'],i['director'],i['actors'])))

运行结果  
![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0w4MzUzMTEzMjQ_size_16_color_FFFFFF_t_70]

分析网页可知，上映电影的信息都在属性id="nowplaying的div标签下的子孙标签ul中的li标签内。所以xpath为

//div[@id="nowplaying"]//ul/li[@class="list-item"]

这样就可以获得每个影片的大致信息了，接下来就可以更具体的进行筛选。

# 网页部分源码 #

<div id="nowplaying">
            <div class="mod-hd">
                <h2>正在上映</h2>
            </div>
            <div class="mod-bd">
                <ul class="lists">
                        <li id="26394152" class="list-item" data-title="大黄蜂" data-score="7.2" data-star="40" data-release="2018" data-duration="114分钟" data-region="美国" data-director="特拉维斯·奈特" data-actors="海莉·斯坦菲尔德 / 小豪尔赫·兰登伯格 / 约翰·塞纳" data-category="nowplaying" data-enough="True" data-showed="True" data-votecount="120134" data-subject="26394152" >
                            <ul class="">
                                <li class="poster">
                                    <a href="https://movie.douban.com/subject/26394152/?from=playing_poster" class=ticket-btn target="_blank" data-psource="poster">
                                        <img src="https://img1.doubanio.com/view/photo/s_ratio_poster/public/p2541662397.webp" alt="大黄蜂" rel="nofollow" class="" />
                                    </a>
                                </li>
                                <li class="stitle">
                                    <a href="https://movie.douban.com/subject/26394152/?from=playing_poster" class="ticket-btn" target="_blank" title="大黄蜂" data-psource="title">
                                        大黄蜂
                                    </a>
                                </li>
    
    
                                <li class="srating">
                                            <span class="rating-star allstar40"></span>
                                            <span class="subject-rate">7.2</span>
                                </li>
                                    <li class="sbtn">
                                        <a class="ticket-btn" href="https://movie.douban.com/ticket/redirect/?url=https%3A%2F%2Fm.maoyan.com%2Fcinema%2Fmovie%2F1206875%3F_v_%3Dyes%26merCode%3D1000011" target="_blank">
                                            选座购票
                                        </a>
                                    </li>
                            </ul>
                        </li>
                        <li

[watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L0w4MzUzMTEzMjQ_size_16_color_FFFFFF_t_70]: /images/20220325/324d84a328f24fc385f8915245dfda11.png