html表格设计问题

初学 写一半写不下去了 不怎么会弄 大家帮帮我吧
单元格的格式不怎么会

img

可以看下这个，无非就是用到行合并，列合并，然后给表格加背景
我用#CSDN#这个app发现了有技术含量的博客，小伙伴们求同去《用Table表格做课程表》, 一起来围观吧 https://blog.csdn.net/kongjunchao159/article/details/47334591?utm_source=app&app_version=4.10.0

参考下这个https://www.cnblogs.com/Yimi/p/5850537.html#:~:text=colspan%20%E5%92%8C%20rowspan%20%E8%BF%99%E4%B8%A4%E4%B8%AA%E5%B1%9E%E6%80%A7%E7%94%A8%E4%BA%8E%E5%88%9B%E5%BB%BA%E7%89%B9%E6%AE%8A%E7%9A%84%E8%A1%A8%E6%A0%BC%E3%80%82%20colspan%20%E7%94%A8%E6%9D%A5%E6%8C%87%E5%AE%9A%E5%8D%95%E5%85%83%E6%A0%BC%E6%A8%AA%E5%90%91%E8%B7%A8%E8%B6%8A%E7%9A%84%E5%88%97%E6%95%B0%EF%BC%9Acolspan%E5%B0%B1%E6%98%AF%E5%90%88%E5%B9%B6%E5%88%97%E7%9A%84%EF%BC%8Ccolspan%3D2%E7%9A%84%E8%AF%9D%E5%B0%B1%E6%98%AF%E5%90%88%E5%B9%B6%E4%B8%A4%E5%88%97%E3%80%82,rowspan%E7%94%A8%E6%9D%A5%20%E6%8C%87%E5%AE%9A%E5%8D%95%E5%85%83%E6%A0%BC%E7%BA%B5%E5%90%91%E8%B7%A8%E8%B6%8A%E7%9A%84%E8%A1%8C%E6%95%B0%3Arowspan%E5%B0%B1%E6%98%AF%E7%94%A8%E6%9D%A5%E5%90%88%E5%B9%B6%E8%A1%8C%E7%9A%84%EF%BC%8C%E6%AF%94%E5%A6%82rowspan%3D2%E5%B0%B1%E6%98%AF%E5%90%88%E5%B9%B6%E4%B8%A4%E8%A1%8C%EF%BC%8C%20rowspan%E9%80%9A%E5%B8%B8%E4%BD%BF%E7%94%A8%E5%9C%A8%20td%20%E5%92%8C%20th%20%E6%A0%87%E7%AD%BE%E4%B8%AD

用Dreamweaver软件直接画，在提取代码出来不就好了，一个个写，有得弄