eva*_*abb 5 java parsing google-search google-search-api jsoup
对于我的代码,我想获得谷歌新的搜索标题和URL.
它过去有效.但是,我不知道为什么它现在不起作用?
谷歌改变了它的CSS结构还是什么?
谢谢
public static void main(String[] args) throws UnsupportedEncodingException, IOException {
String google = "http://www.google.com/search?q=";
String search = "stackoverflow";
String charset = "UTF-8";
String news="&tbm=nws";
String userAgent = "ExampleBot 1.0 (+http://example.com/bot)"; // Change this to your company's name and bot homepage!
Elements links = Jsoup.connect(google + URLEncoder.encode(search , charset) + news).userAgent(userAgent).get().select( ".g>.r>.a");
for (Element link : links) {
String title = link.text();
String url = link.absUrl("href"); // Google returns URLs in format "http://www.google.com/url?q=<url>&sa=U&ei=<someKey>".
url = URLDecoder.decode(url.substring(url.indexOf('=') + 1, url.indexOf('&')), "UTF-8");
if (!url.startsWith("http")) {
continue; // Ads/news/etc.
}
System.out.println("Title: " + title);
System.out.println("URL: " + url);
}
}
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如果问题是“如何让代码再次运行?” 任何人都很难知道旧页面是什么样子,除非他们保存了副本。
我像这样分解了你的选择,它对我有用。
String string = google + URLEncoder.encode(search , charset) + news;
Document document = Jsoup.connect(string).userAgent(userAgent).get();
Elements links = document.select( ".r>a");
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当前页面源看起来像
<div class="g">
<table>
<tbody>
<tr>
<td valign="top" style="width:516px"><h3 class="r"><a href="/url?q=https://www.bleepingcomputer.com/news/security/marlboro-ransomware-defeated-in-one-day/&sa=U&ved=0ahUKEwis77iq7cDRAhXI7IMKHUAoDs0QqQIIFCgAMAE&usg=AFQjCNFFx-sJdU814auBfquRYSsct2c8WA">Marlboro Ransomware Defeated in One Day</a></h3>
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结果:标题:万宝路勒索软件一天内被击败 URL: https: //www.bleepingcomputer.com/news/security/marlboro-ransomware-defeated-in-one-day/
标题:Stack Overflow 为开发人员的简历注入了新的活力 URL:https ://techcrunch.com/2016/10/11/stack-overflow-puts-a-new-spin-on-resumes-for-developers/
已编辑 - 时间范围 这些 URL 参数看起来很糟糕。
添加后缀 &tbs=cdr%3A1%2Ccd_min%3A5%2F30%2F2016%2Ccd_max%3A6%2F30%2F2016
但这部分“min%3A5%2F30%2F2016”包含您的最小日期。5 30 2016. min%3A + (一年中的月份) + %2F + (月份中的日期) + %2F + 年 而“max%3A6%2F30%2F2016”中是您的最大日期。6 30 2016。最大%3A +(一年中的月份)+ %2F +(一个月中的日期)+%2F + 年
以下是在 05/30/2016 至 06/30/2016 之间搜索 Mindy Kaling 的完整网址 https://www.google.com/search?tbm=nws&q=mindy%20kaling&tbs=cdr%3A1%2Ccd_min%3A5%2F30% 2F2016%2Ccd_max%3A6%2F30%2F2016