具体什么名字我不知道，看很多人用这个插件，一编写代码就自动刷新页面的，好像还会自动保存，各位专家要是知道还请出山点迷经
应该是live Server这个插件吧，这有详细的过程 https://blog.csdn.net/bingyue0126/article/details/112561714
https://jingyan.baidu.com/article/6181c3e07b193e542ef153a8.html#:~:text=%E5%85%B6%E5%AE%9EVScode%E6%98%AF%E6%9C%89%E7%9B%B8%E5%85%B3%E7%9A%84%E6%8F%92%E4%BB%B6%EF%BC%88live%20server%EF%BC%89%E6%94%AF%E6%8C%81%E7%BD%91%E9%A1%B5%E8%87%AA%E5%8A%A8%E5%88%B7%E6%96%B0%E7%9A%84%E3%80%82%20%E4%B8%8B%E9%9D%A2%E4%B8%80%E8%B5%B7%E6%9D%A5%E7%9C%8B%E4%B8%80%E4%B8%8B%E5%90%A7%E3%80%82,%E9%80%9A%E5%B8%B8%E4%BC%9A%E8%AE%BE%E7%BD%AE%E4%B8%80%E4%B8%AA%E8%87%AA%E5%8A%A8%E4%BF%9D%E5%AD%98%E3%80%82%20%E4%BD%A0%E5%8F%AF%E4%BB%A5%E7%82%B9%E5%87%BB%E5%B7%A6%E4%B8%8B%E8%A7%92%E7%9A%84%E9%BD%BF%E8%BD%AE%E5%9B%BE%E6%A0%87%EF%BC%8C%E9%80%89%E6%8B%A9setting%EF%BC%8C%E4%BD%A0%E5%8F%AF%E4%BB%A5%E8%AE%BE%E7%BD%AE%E8%87%AA%E5%8A%A8%E4%BF%9D%E5%AD%98%E7%9A%84%E6%97%B6%E9%97%B4%EF%BC%8C%E4%BB%A5%E6%AF%AB%E7%A7%92%E4%B8%BA%E5%8D%95%E4%BD%8D%EF%BC%8C%E8%BF%99%E9%87%8C%E9%80%89%E6%8B%A9%E7%9A%84%E6%98%AF1s%E9%92%9F%E4%BF%9D%E5%AD%98%E4%B8%80%E6%AC%A1%E3%80%82%20%E5%A6%82%E6%9E%9C%E8%BF%99%E4%BA%9B%E9%83%BD%E8%AE%BE%E7%BD%AE%E5%A5%BD%E5%95%A6%EF%BC%8C%E6%89%BE%E5%88%B0%E4%B8%80%E4%B8%AAhtml%E7%BD%91%E9%A1%B5%E3%80%82 https://jingyan.baidu.com/article/6181c3e07b193e542ef153a8.html#:~:text=%E5%85%B6%E5%AE%9EVScode%E6%98%AF%E6%9C%89%E7%9B%B8%E5%85%B3%E7%9A%84%E6%8F%92%E4%BB%B6%EF%BC%88live%20server%EF%BC%89%E6%94%AF%E6%8C%81%E7%BD%91%E9%A1%B5%E8%87%AA%E5%8A%A8%E5%88%B7%E6%96%B0%E7%9A%84%E3%80%82%20%E4%B8%8B%E9%9D%A2%E4%B8%80%E8%B5%B7%E6%9D%A5%E7%9C%8B%E4%B8%80%E4%B8%8B%E5%90%A7%E3%80%82,%E9%80%9A%E5%B8%B8%E4%BC%9A%E8%AE%BE%E7%BD%AE%E4%B8%80%E4%B8%AA%E8%87%AA%E5%8A%A8%E4%BF%9D%E5%AD%98%E3%80%82%20%E4%BD%A0%E5%8F%AF%E4%BB%A5%E7%82%B9%E5%87%BB%E5%B7%A6%E4%B8%8B%E8%A7%92%E7%9A%84%E9%BD%BF%E8%BD%AE%E5%9B%BE%E6%A0%87%EF%BC%8C%E9%80%89%E6%8B%A9setting%EF%BC%8C%E4%BD%A0%E5%8F%AF%E4%BB%A5%E8%AE%BE%E7%BD%AE%E8%87%AA%E5%8A%A8%E4%BF%9D%E5%AD%98%E7%9A%84%E6%97%B6%E9%97%B4%EF%BC%8C%E4%BB%A5%E6%AF%AB%E7%A7%92%E4%B8%BA%E5%8D%95%E4%BD%8D%EF%BC%8C%E8%BF%99%E9%87%8C%E9%80%89%E6%8B%A9%E7%9A%84%E6%98%AF1s%E9%92%9F%E4%BF%9D%E5%AD%98%E4%B8%80%E6%AC%A1%E3%80%82%20%E5%A6%82%E6%9E%9C%E8%BF%99%E4%BA%9B%E9%83%BD%E8%AE%BE%E7%BD%AE%E5%A5%BD%E5%95%A6%EF%BC%8C%E6%89%BE%E5%88%B0%E4%B8%80%E4%B8%AAhtml%E7%BD%91%E9%A1%B5%E3%80%82参考这个链接下载方法如果有用，希望采纳哦~