java 过滤 html代码

http://hi.baidu.com/xuliyan_xly/blog/item/35028719c77bd04d42a9ad7b.html

 

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;
     
      java.util.regex.Pattern p_html1;
      java.util.regex.Matcher m_html1;
  
      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
          String regEx_html1 = "<[^>]+";
          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
         
          p_html1 = Pattern.compile(regEx_html1,Pattern.CASE_INSENSITIVE);
          m_html1 = p_html1.matcher(htmlStr);
          htmlStr = m_html1.replaceAll(""); //过滤html标签
     
         
       textStr = htmlStr;
     
      }catch(Exception e) {
               System.err.println("Html2Text: " + e.getMessage());
      }
  
      return textStr;//返回文本字符串
       }