how to place the client id and client secret parameters when initial a request to obtain a token, in header or in url params.
client id
client secret 此为敏感信息,请不要在源代码中直接写明文。
the code returned by the first step request
Optional optsoptions
redirect url
Optional scopesauthorization scopes
Optional statestate
apply for the address of the token from the oauth server
获取token的参数