Wechat web page authorization
step 1: get code
step 2: get access_token and openid through code
problem arises, isn"t it true that access_token can only take 2000 of them a day? This means that only 2000 openid can be fetched per day through this API
.there should be other ways to get openid,
ask the Great God for help
specifically, the web authorization process is divided into four steps:
1. Guide the user to the authorization page to agree to the authorization and obtain code
2. Get access_token authorization via code ( is different from access_token in basic support )
3. If necessary, developers can refresh the web page authorization access_token, to avoid expiration
4. Get basic user information through web authorization access_token and openid (UnionID mechanism is supported)
Children's shoes, which are not carefully documented, have helped you highlight, and remind you that there are many ready-made libraries available on Wechat's web page authorization and public platform API npm
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