package com.zhaoyang.driver.utils;
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import java.util.regex.Matcher;
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import java.util.regex.Pattern;
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/**
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* author:Created by zhaohaoting on 2020/5/26
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* email:526309416@qq.com
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* desc:
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*/
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public class HtmlUtils {
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private static final String regEx_script = "<script[^>]*?>[\\s\\S]*?<\\/script>"; // 定义script的正则表达式
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private static final String regEx_style = "<style[^>]*?>[\\s\\S]*?<\\/style>"; // 定义style的正则表达式
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private static final String regEx_html = "<[^>]+>"; // 定义HTML标签的正则表达式
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private static final String regEx_img = "<img\\s*([^>]*)\\s*src=\\\"(.*?)\\\"\\s*([^>]*)>";// 定义image标签的正则表达式
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private static final String regEx_emoji = "[\\ud83c\\udc00-\\ud83c\\udfff]|[\\ud83d\\udc00-\\ud83d\\udfff]|[\\ud83e\\udd00-\\ud83e\\udfff]|[\\u2600-\\u27ff]";// 定义表情标签的正则表达式
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private static final String regEx_space = "\\s*|\t|\r|\n";//定义空格回车换行符
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private static final String regEx_special = "\\&[a-zA-Z]{1,10};";//定义特殊字符
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public static String delHTMLTag(String htmlStr) {
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// 过滤script标签
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Pattern p_script = Pattern.compile(regEx_script, Pattern.CASE_INSENSITIVE);
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Matcher m_script = p_script.matcher(htmlStr);
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htmlStr = m_script.replaceAll("");
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// 过滤style标签
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Pattern p_style = Pattern.compile(regEx_style, Pattern.CASE_INSENSITIVE);
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Matcher m_style = p_style.matcher(htmlStr);
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htmlStr = m_style.replaceAll("");
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// 过滤image标签
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Pattern p_img = Pattern.compile(regEx_img, Pattern.CASE_INSENSITIVE);
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Matcher m_img = p_img.matcher(htmlStr);
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htmlStr = m_img.replaceAll("");
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// 过滤emoji标签
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Pattern p_emoji = Pattern.compile(regEx_emoji, Pattern.CASE_INSENSITIVE);
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Matcher m_emoji = p_emoji.matcher(htmlStr);
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htmlStr = m_emoji.replaceAll("");
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// 过滤html标签
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Pattern p_html = Pattern.compile(regEx_html, Pattern.CASE_INSENSITIVE);
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Matcher m_html = p_html.matcher(htmlStr);
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htmlStr = m_html.replaceAll("");
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// 过滤空格回车标签
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Pattern p_space = Pattern.compile(regEx_space, Pattern.CASE_INSENSITIVE);
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Matcher m_space = p_space.matcher(htmlStr);
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htmlStr = m_space.replaceAll("");
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// 过滤特殊字符
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Pattern p_special = Pattern.compile(regEx_special, Pattern.CASE_INSENSITIVE);
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Matcher m_special = p_special.matcher(htmlStr);
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htmlStr = m_special.replaceAll("");
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return htmlStr.trim(); // 返回文本字符串
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}
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public static String getTextFromHtml(String htmlStr) {
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htmlStr = delHTMLTag(htmlStr);
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htmlStr = htmlStr.replaceAll(" ", "");
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if (htmlStr.length() > 50) {
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htmlStr = htmlStr.substring(0, 50);
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}
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return htmlStr;
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}
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public static String getTextFromHtmlAll(String htmlStr) {
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htmlStr = delHTMLTag(htmlStr);
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htmlStr = htmlStr.replaceAll(" ", "");
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return htmlStr;
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}
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}
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