Jsoup select 解析Html
来源：互联网 发布：js定时器累加 编辑：程序博客网 时间：2024/05/16 15:55
参考API：jsoup API
测试类：
package wechat;import org.jsoup.Jsoup;import org.jsoup.nodes.Document;import org.jsoup.nodes.Element;import org.jsoup.select.Elements;import utils.IOUtil;/*** date: 2016年12月15日 * author:ywflqq* version:1.0 * 类说明*/public class CssQueryTest {public static void main(String[] args) {//读取文本内容String txt = IOUtil.readDirOrFile("cssquerytest", "UTF-8");//System.out.println(txt);//利用Jsoup解析成documentDocument doc = Jsoup.parse(txt);//如果查找所有的超链接元素,cssQuery代码如下:<非常简洁>Elements elements = doc.select("a");for(Element ele:elements){System.out.println(ele.toString());}System.out.println("-------------------");//例如,我要找到超链接<a>元素..并且他的href属性的值为www.baidu.com,cssQuery代码如下:elements = doc.select("a[href=www.baidu.com]");for(Element ele:elements){System.out.println(ele.toString());}System.out.println("-------------------");//根据样式的名称,class中有空格时，写多个select或者将空格替换为.//选择器选择的class有多个属性的写法elements = doc.select("p.test.link");for(Element ele:elements){System.out.println(ele.toString());}System.out.println("-------------------");//获得div下的<p>标签 elements = doc.select("div p");for(Element ele:elements){System.out.println(ele.toString());}System.out.println();}}测试文件
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"><html> <mce:script type="text/<a href="http://lib.csdn.net/base/javascript" class='replace_word' title="JavaScript知识库" target='_blank' style='color:#df3434; font-weight:bold;'>JavaScript</a>" src="http://hi.images.csdn<a href="http://lib.csdn.net/base/dotnet" class='replace_word' title=".NET知识库" target='_blank' style='color:#df3434; font-weight:bold;'>.NET</a>/js/blog/tiny_mce/themes/advanced/langs/zh.js" mce_src="http://hi.images.csdn<a href="http://lib.csdn.net/base/dotnet" class='replace_word' title=".NET知识库" target='_blank' style='color:#df3434; font-weight:bold;'>.Net</a>/js/blog/tiny_mce/themes/advanced/langs/zh.js"></mce:script><mce:script type="text/javascript" src="http://hi.images.csdn.net/js/blog/tiny_mce/plugins/syntaxhl/langs/zh.js" mce_src="http://hi.images.csdn.net/js/blog/tiny_mce/plugins/syntaxhl/langs/zh.js"></mce:script><head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>Untitled Document</title> <mce:script src="cssQuery/cssQuery-p.js" mce_src="cssQuery/cssQuery-p.js"><!-- // --></mce:script> </head> <body lang="en"> <h2>cssQuery Test Page</h2> <h3> <abbr> CSS </abbr> Level 1 </h3> <pre>#test1-1 p a {background-color: lime;}</pre> <div id="test1-1"> <p class="test link"> <span>This</span> is a <a href="www.baidu.com" mce_href="www.baidu.com" title="This is a link">test</a> link. </p> </div> <pre>#test1-2 :link {background-color: lime;}</pre> <div id="test1-2"> <p class="test link"> <span>This</span> is a <a href="#" mce_href="#" title="This is a link">test</a> link. </p> </div> <h3> <abbr> CSS </abbr> Level 2 </h3> <pre>#test2-1 p.test.link a {background-color: lime;}</pre> <div id="test2-1"> <p class="test link"> <span>This</span> is a <a href="#" mce_href="#" title="This is a link">test</a> link. </p> </div> <pre>#test2-2 p > a {background-color: lime;}</pre> <div id="test2-2"> <p class="test link"> <span>This</span> is a <a href="#" mce_href="#" title="This is a link">test</a> link. </p> </div> <pre>#test2-3 span + a {background-color: lime;}</pre> <div id="test2-3"> <p class="test link"> <span>This</span> is a <a href="#" mce_href="#" title="This is a link">test</a> link. </p> </div> <pre>#test2-4 p:first-child a {background-color: lime;}</pre> <div id="test2-4"> <p class="test link"> <span>This</span> is a <a href="#" mce_href="#" title="This is a link">test</a> link. </p> </div> <pre>#test2-5 a:lang(en) {background-color: lime;}</pre> <div id="test2-5"> <p class="test link"> <span>This</span> is a <a href="#" mce_href="#" title="This is a link">test</a> link. </p> </div> <pre>#test2-6 a[href] {background-color: lime;}</pre> <div id="test2-6"> <p class="test link"> <span>This</span> is a <a href="#" mce_href="#" title="This is a link">test</a> link. </p> </div> <pre>#test2-7 a[title="This is a link"] {background-color: lime;}</pre> <div id="test2-7"> <p class="test link"> <span>This</span> is a <a href="#" mce_href="#" title="This is a link">test</a> link. </p> </div> <pre>#test2-8 a[title~="is"] {background-color: lime;}</pre> <div id="test2-8"> <p class="test link"> <span>This</span> is a <a href="#" mce_href="#" title="This is a link">test</a> link. </p> </div> <pre>div[id|=test2-9] a {background-color: lime;}</pre> <div id="test2-9"> <p class="test link"> <span>This</span> is a <a href="#" mce_href="#" title="This is a link">test</a> link. </p> </div> <h3> <abbr> CSS </abbr> Level 3 </h3> <pre>#test3-1 span ~ a {background-color: lime;}</pre> <div id="test3-1"> <p class="test link"> <span>This</span> is a <a href="#" mce_href="#" title="This is a link">test</a> link. </p> </div> <pre>#test3-2 p:last-child a {background-color: lime;}</pre> <div id="test3-2"> <p class="test link"> <span>This</span> is a <a href="#" mce_href="#" title="This is a link">test</a> link. </p> </div> <pre>#test3-3 a:contains("test") {background-color: lime;}</pre> <div id="test3-3"> <p class="test link"> <span>This</span> is a <a href="#" mce_href="#" title="This is a link">test</a> link. </p> </div> <pre>#test3-4 p :not(span) {background-color: lime;}</pre> <div id="test3-4"> <p class="test link"> <span>This</span> is a <a href="#" mce_href="#" title="This is a link">test</a> link. </p> </div> <pre>#test3-5 p:only-child a {background-color: lime;}</pre> <div id="test3-5"> <p class="test link"> <span>This</span> is a <a href="#" mce_href="#" title="This is a link">test</a> link. </p> </div> <pre>#test3-6 p *:nth-child(even) {background-color: lime;}</pre> <div id="test3-6"> <p class="test link"> <span>This</span> is a <a href="#" mce_href="#" title="This is a link">test</a> link. </p> </div> <pre>#test3-7 p *:nth-last-child(2n+1) {background-color: lime;}</pre> <div id="test3-7"> <p class="test link"> <span>This</span> is a <a href="#" mce_href="#" title="This is a link">test</a> link. </p> </div> <pre>:root #test3-8 a {background-color: lime;}</pre> <div id="test3-8"> <p class="test link"> <span>This</span> is a <a href="#" mce_href="#" title="This is a link">test</a> link. </p> </div> <pre>#test3-9 a[title^="This"] {background-color: lime;}</pre> <div id="test3-9"> <p class="test link"> <span>This</span> is a <a href="#" mce_href="#" title="This is a link">test</a> link. </p> </div> <pre>#test3-10 a[title*="is a"] {background-color: lime;}</pre> <div id="test3-10"> <p class="test link"> <span>This</span> is a <a href="#" mce_href="#" title="This is a link">test</a> link. </p> </div> <pre>#test3-11 a[title$="link"] {background-color: lime;}</pre> <div id="test3-11"> <p class="test link"> <span>This</span> is a <a href="#" mce_href="#" title="This is a link">test</a> link. </p> </div> </body></html> 0 0
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