/wiki/doc/api/jsapi.php？ Chapter 7. Exponent =6

Wechat authorized access code

/doc/offi account/OA _ Web _ Apps/JS-SDK . html # 58

Introducing module-generating signature (required by wx.config)-combining interface return parameters-evoking wxpay.

Npm i (WeChat -js-sdk)

Import wx from' weixin-js-sdk'

I named this file common.js, which will be used when I wake up payment in the future.

Reference address:/doc/offiaccount/OA _ web _ apps/js-sdk.html # 58