Applet network request promise

The host environment of wechat applet is wechat , So we can't use ajax To send a request , The request in the applet is called a network data request , There is no such thing as ajax Ask for this kind of talk , The network request of the applet is processed based on the callback function , Then it may cause the problem of callback to hell , Third party plug-ins can be used to implement network requests promise turn
First step ： Initialize the package management environment

npm init

The second step

npm i --save miniprogram-api-[email protected]1.0.4// Specify to download a stable version