pom

<!--去除富文本-->
<dependency>
    <groupId>org.jsoup</groupId>
    <artifactId>jsoup</artifactId>
    <version>1.12.1</version>
</dependency>

// 标签过滤
String content = "待处理富文本内容";
Document document = Jsoup.parse(content );
content  = document.text();