地址：
https://api.weixin.qq.com/sns/oauth2/access_token?appid=*&secret=*&code=*&grant_type=authorization_code;
返回信息：
{errcode=40002.0, errmsg=invalid grant_type
, rid: 65aa2cd5-0345a3f6-5c30965c}
3 个回答
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别肯定正确了，怎么证明是正确的
谢谢回复，这appid、secret2个肯定正确，然后js_code也正确换回了，用此3个参数和grant_type=authorization_code换access_token，我要使用其中的openid，就返回了上面的错误
公众号网页授权需要的code，是通过 https://open.weixin.qq.com/connect/oauth2/authorize?appid=APPID&redirect_uri=REDIRECT_URI&response_type=code&scope=SCOPE&state=STATE#wechat_redirect 获取
小程序的code 是通过 wx.login 获取
注意两者别搞混了
再去排查 code 是否重复生成，code 是否重复消费了
appid、secret和js_code是否正确