Java 去除HTML标签转化成纯文本

时间:2023-03-09 20:41:24
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.****.net/zdtwyjp/article/details/5736252