package com.zving.teachPlat.util; import java.io.InputStream; import java.net.URL; import java.net.URLConnection; import java.util.regex.Matcher; import java.util.regex.Pattern; import com.zving.framework.utility.StringUtil; public class MatchUtil { /** * 获取指定标签的属性值 * * @param source: html * @param element: 标签 * @param attr: 标签属性 */ public static String match(String source, String element, String attr) { String reg = "<" + element + ".*?" + attr + "=['\"]?(.*?)['\"].*?"; Matcher m = Pattern.compile(reg).matcher(source); String r = ""; while (m.find()) { r = m.group(1); } if (StringUtil.isNotEmpty(r) && r.indexOf("\"") != -1) { r = r.substring(0, r.indexOf("\"")); } return r; } }
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