jsoup工具类

public class HtmlUtils {

// 只有纯文本可以通过
public static String getText(String html) {
if (html == null)
return null;
return Jsoup.clean(html, Whitelist.none()).replace(" ", "");
}

// 以下标签可以通过
// b, em, i, strong, u. 纯文本
public static String getSimpleHtml(String html) {
if (html == null)
return null;
return Jsoup.clean(html, Whitelist.simpleText());
}

// 以下标签可以通过
//a, b, blockquote, br, cite, code, dd, dl, dt, em, i, li, ol, p, pre, q, small, strike, strong, sub, sup, u, ul
public static String getBasicHtml(String html) {
if (html == null)
return null;
return Jsoup.clean(html, Whitelist.basic());
}

//在basic基础上 增加图片通过
public static String getBasicHtmlandimage(String html) {
if (html == null)
return null;
return Jsoup.clean(html, Whitelist.basicWithImages());
}
// 以下标签可以通过
//a, b, blockquote, br, caption, cite, code, col, colgroup, dd, dl, dt, em, h1, h2, h3, h4, h5, h6, i, img, li, ol, p, pre, q, small, strike, strong, sub, sup, table, tbody, td, tfoot, th, thead, tr, u, ul
public static String getFullHtml(String html) {
if (html == null)
return null;
return Jsoup.clean(html, Whitelist.relaxed());
}

//只允许指定的html标签
public static String clearTags(String html, String ...tags) {
Whitelist wl = new Whitelist();
return Jsoup.clean(html, wl.addTags(tags));
}

// 对关键字加上颜色
public static String markKeywods (String keywords, String target) {
if (StringKit.notBlank(keywords)) {
String[] arr = keywords.split(" ");
for (String s : arr) {
if (StringKit.notBlank(s)) {
String temp = "<span class="highlight">" + s + "</span>";
if(temp!=null)
target = target.replaceAll(s, temp);
}
}
}
return target;
}

// 获取文章中的img url
public static String getImgSrc(String html) {
if (html == null)
return null;
Document doc = Jsoup.parseBodyFragment(html);
Element image = doc.select("img").first();
return image == null ? null : image.attr("src");
}

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原文链接：https://blog.csdn.net/weixin_42529699/article/details/90402489