参考效果

模板：

<!-- wp:media-text {"mediaId":25,"mediaType":"image","mediaWidth":34} -->
<div class="wp-block-media-text alignwide" style="grid-template-columns:34% auto"><figure class="wp-block-media-text__media"><img src="[图片地址]" alt="[标题]" class="wp-image-25"/></figure><div class="wp-block-media-text__content"><!-- wp:paragraph {"placeholder":"内容…","fontSize":"large"} -->
<p class="has-large-font-size">

[标题]

</p>
<!-- /wp:paragraph -->

<!-- wp:paragraph -->
<p>

到手价：[券后价]

</p>
<!-- /wp:paragraph -->

<!-- wp:paragraph -->
<p>淘口令：[淘口令]</p>
<!-- /wp:paragraph -->

<!-- wp:button -->
<div class="wp-block-button">
<a class="wp-block-button__link" href="[链接]" target="_blank">打开网址</a>
<span id="copyMy[序号]" style="position: absolute;left: -100000px;">0[淘口令]/</span>
<button class="wp-block-button__link"  onclick="copyFn[序号]()">复制口令</button>
</div>
<!-- /wp:button --></div></div>
<!-- /wp:media-text -->




<script>
    function copyFn[序号]() {
      var val = document.getElementById('copyMy[序号]');
      window.getSelection().selectAllChildren(val);
      document.execCommand("Copy");
      alert("复制成功，打开手机淘宝会购买吧！");
    }
</script>