public class StringUtil {private String content;private String outline;public String getContent() {return content;}public void setContent(String content) {this.content = content;}public String getOutline() {return outline;}public void setOutline(String outline) {this.outline = outline;}/** 生成文章大纲* wmy 15:35 2019/7/5* @Param [source, element]* @return com.raise3d.model.Article**/public static StringUtil generateOutline(String source, String element) {StringUtil article =new StringUtil();if (source != null && source.length() > 0) {List<Map<String, String>> list = new ArrayList<>();String reg = "<"+element+"([\\S\\s]*?)>" + "(.+?)</" + element + ">";Matcher m = Pattern.compile(reg).matcher(source);while (m.find()) {Map<String, String> map = new HashMap<>();String title = m.group(2);//这里我使用的id是使用MD5截取并把数字转换为英文字母String id = MD5.GetMD5Code(title).substring(14, 20);//要求id用全英文字母，html的标签id只需开头是英文字母就okfor (int i = 0; i < id.length(); i++) {if (((int) id.charAt(i)) < 65) {id = id.replace(id.charAt(i), (char) ((int) id.charAt(i) + 65));}}String table = m.group().substring(1, 3);source = source.replaceAll(m.group(), "<"+table+" id=\""+id +"\">"+title+"</"+table+">");map.put("id", id);map.put("title", title);list.add(map);}article.setContent(source);article.setOutline(JSON.toJSONString(list));} else {article.setContent(null);article.setOutline(null);}return article;}
}

public class Test {public static void main(String[] args) throws InterruptedException {String content = "<p>asdggasdhfh</p><h1 class=\"qqsbfw\" id=\"yqcrrx\">AAAAAAAAAAAAAAsAAAAA</h1><p>GGGGGGGGGGGGGGGGGGGGGGGGGGGGG</p><h2 class=\"tbtwra\" id=\"tbtwra\">FFFFFFFFFFFFFFFFFFFFFFFFFFFFF</h2><p>DDDDDDDDDDDDDDDDDDDDDDD</p><h1 class=\"qbyftd\" id=\"qbyftd\">SSSSSSSSSSSSSSSSSSSSSSSS</h1><p>HHHHHHHHHHHHHHHHHHHHHHHHHH</p><h2 id=\"zfeerf\" id=\"zfeerf\">JJJJJJJJJJJJJJJJJJJ</h2><p>KKKKKKKKKKKKKKKKKKKK</p><p>LLLLLLLLLLLLLLLLLLLLLL</p>";StringUtil article = StringUtil.generateOutline(content, "h[1-2]");System.out.println(article.getContent());System.out.println(article.getOutline());}
}