How to get the official account token of WeChat WeChat?
1. Register a WeChat official account and get appid and appsecret. Call the interface provided by WeChat and get access_token through these two parameters.
2. Call the interface of WeChat through the obtained access_token to obtain jsapi_ticket.
3. Assemble jsapi_ticket and related parameters into a URL, and call the interface of WeChat to get the signature.