java方式过滤html获取纯文本信息

package com.lyt.base.util;


import java.util.regex.Pattern;


public class FilterHtmlUtil {

public static String Html2Text(String inputString){
    String htmlStr = inputString; //含html标签的字符串
    String textStr ="";
    java.util.regex.Pattern p_script;
    java.util.regex.Matcher m_script;
    java.util.regex.Pattern p_style;
    java.util.regex.Matcher m_style;
    java.util.regex.Pattern p_html;
    java.util.regex.Matcher m_html;
   try{
         String regEx_script = "<[\s]*?script[^>]*?>[\s\S]*?<[\s]*?\/[\s]*?script[\s]*?>"; //定义script的正则表达式{或<script[^>]*?>[\s\S]*?<\/script> }
         String regEx_style = "<[\s]*?style[^>]*?>[\s\S]*?<[\s]*?\/[\s]*?style[\s]*?>"; //定义style的正则表达式{或<style[^>]*?>[\s\S]*?<\/style> }
         String regEx_html = "<[^>]+>"; //定义HTML标签的正则表达式
         p_script = Pattern.compile(regEx_script,Pattern.CASE_INSENSITIVE);
         m_script = p_script.matcher(htmlStr);
         htmlStr = m_script.replaceAll(""); //过滤script标签
         p_style = Pattern.compile(regEx_style,Pattern.CASE_INSENSITIVE);
         m_style = p_style.matcher(htmlStr);
         htmlStr = m_style.replaceAll(""); //过滤style标签
         p_html = Pattern.compile(regEx_html,Pattern.CASE_INSENSITIVE);
         m_html = p_html.matcher(htmlStr);
         htmlStr = m_html.replaceAll(""); //过滤html标签
         textStr = htmlStr;
    }catch(Exception e){
    e.printStackTrace();
    }
    return textStr;//返回文本字符串
} 

}