CSS content attr 属性值 案例展示

<style>
a.demo-content:after { 
  content: "(小鱼资料库)";
}
</style>

<a class="demo-content" href="https://www.xiaoyuzl.com" target="_blank">https://www.xiaoyuzl.com</a>

效果

https://www.xiaoyuzl.com