代码

没有请创建blog/scripts/random.js

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hexo.extend.generator.register('random', function (locals) {
  const config = hexo.config.random || {}
  const posts = []
  for (const post of locals.posts.data) {
    if (post.random !== false) posts.push(post.path)
  }
  return {
    path: config.path || 'random/index.html',
    data: `<html><head><script>var posts=${JSON.stringify(posts)};window.open('/'+posts[Math.floor(Math.random() * posts.length)],"_self")</script></head></html>`
  }
})

https://weilining.cf/random/

可选配置

_config.yml添加以下配置：

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random:
  path: # 随机链接路径，默认"random/index.html"

如果不想随机跳转到某篇文章，只需在这篇文章Front-matter添加random: false

参考

https://blog.hclonely.com/posts/57bd67ce/