转载： https://www.javatpoint.com/jsoup-examples
Get title of URL
Document doc = Jsoup.connect("http://www.javatpoint.com").get(); String title = doc.title();Get title from HTML file
Document doc = Jsoup.parse(new File("e:\\register.html"),"utf-8");//assuming register.html file in e drive String title = doc.title();Get total links of URL
Document doc = Jsoup.connect("http://www.javatpoint.com").get(); Elements links = doc.select("a[href]"); for (Element link : links) { System.out.println("\nlink : " + link.attr("href")); System.out.println("text : " + link.text()); }Get meta information of URL
Document doc = Jsoup.connect("http://www.javatpoint.com").get(); String keywords = doc.select("meta[name=keywords]").first().attr("content"); System.out.println("Meta keyword : " + keywords); String description = doc.select("meta[name=description]").get(0).attr("content"); System.out.println("Meta description : " + description);Get total images of URL
Document doc = Jsoup.connect("http://www.javatpoint.com").get(); Elements images = doc.select("img[src~=(?i)\\.(png|jpe?g|gif)]"); for (Element image : images) { System.out.println("src : " + image.attr("src")); System.out.println("height : " + image.attr("height")); System.out.println("width : " + image.attr("width")); System.out.println("alt : " + image.attr("alt")); }Get form parameters
Document doc = Jsoup.parse(new File("e:\\register.html"),"utf-8"); Element loginform = doc.getElementById("registerform"); Elements inputElements = loginform.getElementsByTag("input"); for (Element inputElement : inputElements) { String key = inputElement.attr("name"); String value = inputElement.attr("value"); System.out.println("Param name: "+key+" \nParam value: "+value); }