1. Please register before developing the applet, refer to the article: https://my.oschina.net/u/3337958/blog/1618177
2. Improve the Mini Program information
Supplementary basic information of the applet:
Add developers, edit member management, and add members:
Generate AppSecret (mini program key) under settings, and record Appid and Appsecret
3. Download the WeChat web developer tool, download address:
https://mp.weixin.qq.com/debug/wxadoc/dev/devtools/download.html?t=201822
4. After installing the applet development tool, open the WeChat web developer tool, set the project directory and AppID, and click OK to create the project
In this way, there is a simplest WeChat applet.