Video address
Bilibili: https://www.bilibili.com/video/av71768548/
Youtube: https://youtu.be/TOsw2nnEASA
Micro-channel recording calculator applet development process. Video and text tutorials applet code can click on the following link for:
https://zhaoshuquan.com/2019/10/18/use-mpvue-to-make-a-calculator-wechat-applet-like-mac-calculator/