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Java过滤任意(script,html,style)标签符,返回纯文本--封装类

 import java.util.regex.Pattern;
 
/**
 * 过滤标签字符串,返回纯文本
 *
 */
public class ChangePlainText {
 
    public static void main(String[] args) {
 
        String test="<b>hi</b></br><h1>hello~</h1><哈哈>";
 
        String b=ChangePlainText.Html2Text(test);
 
        System.out.println(b);
    }
 
    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) {
            System.err.println("Html2Text: " + e.getMessage());
        }
 
        return textStr;// 返回文本字符串
    }
 

}