hexo-theme-stellar/source/js/plugins/copycode.js

window.codeElements.forEach((codeElement) => {
  // 创建复制按钮
  const codeCopyBtn = document.createElement('div');
  codeCopyBtn.className = 'copy-btn';
  codeCopyBtn.textContent = ctx.copycode.default_text;
  codeElement.appendChild(codeCopyBtn);

  // 添加点击事件监听
  codeCopyBtn.addEventListener('click', async () => {
    const codeToCopy = codeElement.querySelector('pre')?.innerText || '';
    if (navigator.clipboard) {
      try {
        await navigator.clipboard.writeText(codeToCopy);
        codeCopyBtn.textContent = ctx.copycode.success_text;
        codeCopyBtn.classList.add('success');
        hud.toast(ctx.copycode.toast, 2500);
      } catch (error) {
        codeCopyBtn.textContent = '未获得用户许可';
        codeCopyBtn.classList.add('warning');
      }
    } else {
      codeCopyBtn.textContent = '浏览器不支持/非HTTPS';
      codeCopyBtn.classList.add('warning');
    }

    // 3秒后恢复默认文本
    setTimeout(() => {
      codeCopyBtn.textContent = ctx.copycode.default_text;
      codeCopyBtn.classList.remove('success', 'warning');
    }, 3000);
  });
});