Java 去除HTML标签转化成纯文本

package com.ahgw.common.global;



import java.util.regex.Pattern;

/**

 * 截取HTML代码

 *

 * @author YangJunping

 * @date 2010-7-15

 */

public class Html2Text {

    public static void main(String[] args) {

//        StringBuffer htmlStr = new StringBuffer();

//        htmlStr.append("<!DOCTYPE html PUBLIC '-//W3C//DTD XHTML 1.0 Transitional//EN' 'http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd'>")

//                .append("<html xmlns='http://www.w3.org/1999/xhtml' xml:lang='en'><head><title>aaa</title><mce:script type='text/javascript'></mce:script>")

//                .append("<link href=\"static_files/help.css\" mce_href=\"static_files/help.css\" rel='stylesheet' type='text/css' media='all' />")

//                .append("</head><body><ul><li>XXXX</li></ul></body></html>");



//        System.out.println(Html2Text(htmlStr.toString()));



        String str = "了考虑卢卡斯打翻了卡萨丁上了课大风\n" +

                "\n" +

                "\n" +

                "\t<img src=\"/images/newsContent/3.jpg\" alt=\"\" />\n" +

                "\n" +

                "\n" +

                "\t卢卡斯大风了卡萨丁飞卢卡斯大风卢卡斯大风洛克斯";

        String t = Html2Text.Html2Text(str);

        System.out.println("t = " + t);



    }

    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

    }



}

文章参考:http://blog.csdn.net/zdtwyjp/article/details/5736252

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