如何在链接的文章中链接按钮？

<button><a href="https://example.com">点击这里</a></button>

<a href="https://example.com"><button>点击这里</button></a>

<button style="background-color: #4CAF50; color: white; padding: 10px 20px; text-align: center; text-decoration: none; display: inline-block; font-size: 16px; border-radius: 4px; border: none;"><a href="https://example.com" style="color: white; text-decoration: none;">点击这里</a></button>

<style>
.button {
  background-color: #4CAF50;
  color: white;
  padding: 10px 20px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
  border-radius: 4px;
  border: none;
}
</style>

<button class="button"><a href="https://example.com" style="color: white; text-decoration: none;">点击这里</a></button>