jsoup | 易学教程

jsoupa-解析遍历一个HTML

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解析个遍历一个HTML文档 String html ="<html><head><title>First parse</title></head>" +"<body>Parsed HTML into a doc.</body></html>"; Document doc =Jsoup.parse(html); jsoup解析器能够尽最大可能从html文档来创建一个干净的解析结果,无论html的格式是否完整。 jsoup可以处理如下异常情况 *)没有关闭的标签(比如LoremIpsum parses to LormIpsum) *)隐式标签(比如它可以自动将<td>Table data </td>包装成<table><tr><td>....) *)创建可靠的文档结果(html标签包含head和body,在head值出现恰当的元素) 一个文档的对象模型 *)文档由多个Elements和TextNodes组成(以及其他辅助nodes) 其继承结构如下 Document继承Element继承NodeTextNode继承Node *)一个Element包含一个子节点集合,并拥有一个父Element。还提供一个唯一的子元素过滤列表　　 <wiz_tmp_tag id="wiz-table-range-border"

Parser JSoup change the tags to lower case letter

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问题 I did some research and it seems that is standard Jsoup make this change. I wonder if there is a way to configure this or is there some other Parser I can be converted to a document of Jsoup, or some way to fix this? 回答1: Unfortunately not, the constructor of Tag class changes the name to lower case: private Tag(String tagName) { this.tagName = tagName.toLowerCase(); } But there are two ways to change this behavour: If you want a clean solution, you can clone / download the JSoup Git and

Reading JSON Content

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问题 I'm using jsoup to scrape some HTML data and it's working out great. Now I need to pull some JSON content (only JSON, not HTML). Can I do this easily with jsoup or do I have to do it using another method? The parsing that jsoup performs is encoding the JSON data so it's not parsing properly with Gson. Thanks! 回答1: While great, Jsoup is a HTML parser, not a JSON parser, so it is useless in this context. If you ever attempt it, Jsoup will put the returned JSON implicitly in a <html><head> and

How to get text from this html page with jsoup?

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问题 I am using this code to retreive the text in the main article on this page. public class HtmlparserExampleActivity extends Activity { String outputtext; TagFindingVisitor visitor; Parser parser = null; private static final String TAG = "TVGuide"; TextView outputTextView; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); outputTextView = (TextView)findViewById(R.id

How to parse a webpage that includes Javascript? [duplicate]

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问题 This question already has an answer here : Parse JavaScript with jsoup (1 answer) Closed 6 years ago . I've got a webpage that creates a table using Javascript. Right now I'm using JSoup in my Java project to parse the webpage. By the way JSoup isn't able to run Javascript so the table isn't generated and the source of the webpage is incomplete. How can I include the HTML code created by that script in order to parse its content using JSoup? Can you provide a simple example? Thank you!

Login Facebook via Jsoup

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问题 I tried to log into my Facebook account with these lines that I read from an answer to a question already posted, but I can't log in anyway! I looking for some tips to correct the code: Connection.Response res = Jsoup.connect("https://www.facebook.com/login.php") .data("email", "mymail", "pass", "mypas") .method(Method.POST) .execute(); System.out.println(res.statusCode()); Document doc = res.parse(); String sessionId = res.cookie("SESSIONID"); PS: No i don't want to use Facebook APIs! 回答1:

Handling connection errors and JSoup

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问题 I'm trying to create an application to scrape content off of multiple pages on a site. I am using JSoup to connect. This is my code: for (String locale : langList){ sitemapPath = sitemapDomain+"/"+locale+"/"+sitemapName; try { Document doc = Jsoup.connect(sitemapPath) .userAgent("Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/535.21 (KHTML, like Gecko) Chrome/19.0.1042.0 Safari/535.21") .timeout(10000) .get(); Elements element = doc.select("loc"); for (Element urls : element) { System.out

getting javax.net.ssl.SSLException: Received fatal alert: protocol_version while scraping data using Jsoup

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问题 I am trying to get data from a site using Jsoup. Link to the site is Click here! Here is my code to fetch the data. ` // WARNING: do it only if security isn't important, otherwise you have // to follow this advices: http://stackoverflow.com/a/7745706/1363265 // Create a trust manager that does not validate certificate chains TrustManager[] trustAllCerts = new TrustManager[]{new X509TrustManager(){ public X509Certificate[] getAcceptedIssuers(){return null;} public void checkClientTrusted

【java提高】---java反射机制

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爬虫+jsoup轻松爬博客最近的开发任务主要是爬虫爬新闻信息，这里主要用到技术就是jsoup，jsoup 是一款 Java的HTML解析器，可直接解析某个URL地址、HTML文本内容。它提供了一套非常省力的API，可通过 DOM，CSS以及类似于jQuery的操作方法来取出和操作数据。这篇文章就讲通过jsoup爬虫的实际案例，下一篇再讲jsoup的具体文档。主要爬虫对象就以我之前写的一篇博客：【java提高】---java反射机制主要爬区的信息有（1）该文章的标题（2）该文章的二类标题（3）发表时间（4）阅读数量一、案例演示 1、代码部分 package com.jincou.pachong; import java.io.IOException; import org.jsoup.Jsoup; import org.jsoup.nodes.Document; import org.jsoup.nodes.Element; import org.jsoup.select.Elements; /* * 这个案例你只需要看结果，具体的jsoup介绍下一篇博客会详细介绍 */ public class Pachong { public static void main(String args[]){ //这个就是博客中的java反射的url final String

JFinal-美女图爬虫-一个不正经的爬虫代码

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【推荐】2019 Java 开发者跳槽指南.pdf(吐血整理) >>> 去年我做了一个项目，大量使用爬虫抓取数据，使用JFinal+JSoup组合，抓取数据，数据清洗筛选，最终保存到数据库里，结构化。今天，我发布一个不正经的爬虫项目，如果你对JSoup做爬虫感兴趣，可以加入JFinal学院学习，获取爬虫源码。截图如下：抓取到的相册内容：相册进去看图集：点图进入幻灯片查看模式：点击查看大图进入单页模式：使用的技术： JFinal 3.6 JFinal-Undertow1.5 JBolt1.6.9 Bootstrap 4.3 JSoup Mysql 其中数据抓取主要用JSoup，数据筛选清洗 JFinal 保存数据库查询等。界面使用Boostrap布局源码下载地址：请关注微信公众号：JFinal学院回复：美女图爬虫五个大字来源： oschina 链接： https://my.oschina.net/u/374/blog/3023536