1,Koa總的學習大綱:
https://www.itying.com/koa/article-index-id-77.html
2,Koa封裝mongodb數據庫:
https://blog.csdn.net/weixin_40629244/article/details/90182559
3,Koa封裝mysql數據庫:
https://blog.csdn.net/weixin_40629244/article/details/100626686
mysql數據庫安裝:https://blog.csdn.net/qq_37350706/article/details/81707862
4,Koa中使用富文本編輯器Koa-ueditor:
https://blog.csdn.net/weixin_40629244/article/details/101794702
5,Koa前後端分離開發如何解決跨域問題
https://blog.csdn.net/weixin_40629244/article/details/102061187
注:以上來源一個大哥的學習:https://blog.csdn.net/weixin_40629244/category_9546399.html