jQuery(Cheerio)没有返回img src链接

问题描述 投票:0回答:1

我正在尝试制作一个Javascript应用程序,以便从HTML页面中获取数据。只有文本(标题,描述等)它工作正常,但由于某种原因试图找到img src URL不起作用。我的代码在下面,下面是我迄今为止尝试过的示例。

this.processDocument = function(html, url, headers, status, cheerio) {
            var app = this;
            var $ = cheerio;
            var $html = app.parseHtml(html, $);
    var object = {};

    object.title = $html.find('h1').text();
    object.title = this.removeExtraWhitespace(object.title);

    object.image = $html.find('.event_article').find('img').attr("src");

    object.copyright = $html.find('div[class="copyright"]').text();

    object.intro = $html.find('.introduction').text();
    object.intro = this.removeExtraWhitespace(object.intro);
    return JSON.stringify(object);
}

(我试过的例子)

object.image = $html.find('.event_article').find('img').attr("src");
object.image = $html.find('.event_article img').attr("src");
object.image = $('.event_article img').attr("src");
object.image = $('.event_article img').attr("src");
object.image = $html.find('.event_article img src').text();
object.image = $(unescape($html.find('.event-article').text())).find("img").attr("src");
object.image = $('figure').find('img').attr('src')
object.image = $html.find('figure').find('img').attr('src');
object.image = $html.find($('figure img')).attr('src');

(HTML源代码)

<div class="container">
<div class="contents_wrap">

    <!--main_contents------------------->
    <main role="main" id="main_contents">
        <div class="contents_inner">

            <!--event_article-->
            <section>
                <article class="event_article">
                    <h1 class="article_title">Bread & Coffee Party</h1>
                    <div class="info">
                        <figure class="image"><img src="https://d3cx2fdgbfj572.cloudfront.net/articles/images/000/025/392/small/a49553f4-5225-4b21-bbbb-c3c983648efb.jpg?1535574526" alt="breadandcoffee"><br><span class="copyright">John Hemberly</span></figure>

提前致谢。

javascript jquery dom web-scraping
1个回答
0
投票

我不知道到底是什么问题(也测试了lazyload),但我从页面的另一部分拍摄了图像。图片也在页面顶部的'content'元标记中提到,所以我从那里得到了它。

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