本文主要是介绍【java工具类】去除HTML的标签的java代码如下：，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
java工具类：
去除HTML的标签的java代码如下：
public class HtmlFilterTagUtils {private static final int subLength = 200; //截取字符串长度private static final String regEx_script = "<script[^>]*?>[\\s\\S]*?<\\/script>";// 定义script的正则表达式private static final String regEx_style = "<style[^>]*?>[\\s\\S]*?<\\/style>";// 定义style的正则表达式private static final String regEx_html = "<[^>]+>";// 定义HTML标签的正则表达式private static final String d_class = "<d class=[^>]*?>[\\s\\S]*?";// 定义SpanHTMLClass标签的正则表达式private static final String a_class = "<a[^>]*?>[\\s\\S]*?";// 定义AHTMLClass标签的正则表达式// private static final String span_class = "<span class\\s*[^>]*>(.*?)<\\/span>";// 定义HTMLClass标签的正则表达式private static final String regEx_space = "\\s*|\t|\r|\n";//定义空格回车换行符private static final String regEx_enter = "(^|(\\r\\n|\\n))\\s*(\\r\\n|\\n)";// private static final String regEx_enter = "(\n|\r\n)\\s+";//空白行private static final String regEx_weixinJs = "<span data-shimo-docs=\"(.*?)\">";public static String filter(String htmlStr) {Pattern p_space = Pattern.compile(regEx_space, Pattern.CASE_INSENSITIVE);Matcher m_space = p_space.matcher(htmlStr);htmlStr = m_space.replaceAll(""); // 过滤空格回车标签Pattern p_script = Pattern.compile(regEx_script, Pattern.CASE_INSENSITIVE);Matcher m_script = p_script.matcher(htmlStr);htmlStr = m_script.replaceAll(""); // 过滤script标签Pattern p_style = Pattern.compile(regEx_style, Pattern.CASE_INSENSITIVE);Matcher m_style = p_style.matcher(htmlStr);htmlStr = m_style.replaceAll(""); // 过滤style标签String reg = ">\\s+([^\\s<]*)\\s+<";htmlStr = htmlStr.replaceAll(reg, ">$1<");htmlStr = htmlStr.replace("<p>””</p>", "");htmlStr = htmlStr.replace("<br>", "<br>\n");htmlStr = htmlStr.replace("</table>", "</table>\n").replace("</h1>", "</h1>\n").replace("</li>", "</li>\r\n").replace("</p>", "</p>\n").replace("</div>", "\n").replace("</br>", "</br>\n").replace("</i>", "</i>\n").replace("</tr>", "</tr>\r\n");Pattern p_html = Pattern.compile(regEx_html, Pattern.CASE_INSENSITIVE);Matcher m_html = p_html.matcher(htmlStr);htmlStr = m_html.replaceAll(""); // 过滤html标签htmlStr = htmlStr.replace("”", " ").replace("“", " ").replace(" ", " ").replace("&ensp", " ").replace(" ", " "); // 过滤空格htmlStr = htmlStr.replace(" ", "").replace(" ", "").replace("\\t", "").replace("\n\n", "\n").replace("\n\n.replace(\" \",\" \")", "\n").replace("\n\n", "\n");Pattern p_enter = Pattern.compile(regEx_enter, Pattern.CASE_INSENSITIVE);Matcher m_enter = p_enter.matcher(htmlStr);htmlStr = m_enter.replaceAll(""); // 过滤空格回车标签htmlStr = htmlStr.replace("\n", "\n\n").replace("\r\n\n", "\n");return htmlStr; // 返回文本字符串3}public static String filterSpan(String htmlStr) {Pattern p_html = Pattern.compile(d_class, Pattern.CASE_INSENSITIVE);Matcher m_html = p_html.matcher(htmlStr);htmlStr = m_html.replaceAll(""); // 过滤html标签return htmlStr; // 返回文本字符串}public static String filterA(String htmlStr) {htmlStr = htmlStr.replaceAll(regEx_weixinJs, "");return htmlStr;}/**** 返回文本字符串 <div></d>进行特殊处理* @param htmlStr* @return*/public static String filterSpanContent(String htmlStr) {Pattern p_html = Pattern.compile(d_class, Pattern.CASE_INSENSITIVE);Matcher m_html = p_html.matcher(htmlStr);htmlStr = m_html.replaceAll("");htmlStr = htmlStr.replace("</d>", "");//   半个空白位   一个空白位 不断行的空白htmlStr = htmlStr.replace("”", " ").replace("“", "\"").replace(" ", " ").replace("&ensp", " ").replace(" ", " "); // 过滤空格return htmlStr;}public static String filterHtml(String htmlStr) {Pattern p_html = Pattern.compile(regEx_html, Pattern.CASE_INSENSITIVE);Matcher m_html = p_html.matcher(htmlStr);htmlStr = m_html.replaceAll("");return htmlStr;}/**** 替换掉微信特有的js代码* @param htmlStr* @return*/public static String filterWeixinJs(String htmlStr) {htmlStr = htmlStr.replaceAll(regEx_weixinJs, "");return htmlStr;}/***** 获取图片的链接处理 <src* @param html* @return*/public static List<String> getImgSRC(String html) {String regex = "src=\"(.*?)\"";List<String> list = new ArrayList<>();Pattern pa = Pattern.compile(regex, Pattern.DOTALL);Matcher ma = pa.matcher(html);while (ma.find()) {list.add(ma.group());}return list;}/***** 获取# 特殊字符识别的字符串 <src* @param expression* @return*/public static String getStrFromMark(String expression) {String regex = "#(.*?)#";List<String> list = new ArrayList<>();Pattern pa = Pattern.compile(regex, Pattern.DOTALL);Matcher ma = pa.matcher(expression);String result = "";while (ma.find()) {result = ma.group();break;}result = result.replace("#", "");return result;}/***** 获取# 特殊字符识别的字符串 <src* @param expression* @return*/public static List<String> getStrFromMarkList(String expression) {String regex = "#(.*?)#";List<String> list = new ArrayList<>();Pattern pa = Pattern.compile(regex, Pattern.DOTALL);Matcher ma = pa.matcher(expression);String result = "";while (ma.find()) {result = ma.group();list.add(result);}return list;}public static List<String> getImg(String html) {String regex = "<(img|IMG).*?(\\>|\\/>|\\<\\/img>)";List<String> list = new ArrayList<>();Pattern pa = Pattern.compile(regex, Pattern.DOTALL);Matcher ma = pa.matcher(html);while (ma.find()) {list.add(ma.group());}return list;}public static List<String> getImgANDSRC(String html) {String regex = "<img[\\s+]src=.*?(\\/>|\\<\\/img>)";List<String> list = new ArrayList<>();Pattern pa = Pattern.compile(regex, Pattern.DOTALL);Matcher ma = pa.matcher(html);while (ma.find()) {list.add(ma.group());}return list;}public static Boolean isPattern(String content, String regex) {if(StringUtils.isBlank(content)){return false;}Pattern pa = Pattern.compile(regex, Pattern.DOTALL);Matcher ma = pa.matcher(content);if (ma.find()) {return true;}return false;}/***** 排除掉单引号的影响* @param title* @return*/public static String getTitleNoMark(String title) {title = title.replace("'", "\\'");title = title.replace(",", "\\\\,");return title;}
}
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