php对接微信公众号平台

以你之姓@ 2022-05-06 05:28 261阅读 0赞

# 执行流程: #

![è¿éåå¾çæè¿°][SouthEast]

url2，用户授权获取code，这个code会跟在redirect\_uri=url1后面，有用户发送到业务系统，业务系统拿到code后，可以获取用户openId.  
[https://open.weixin.qq.com/connect/oauth2/authorize?appid=APPID&redirect\_uri=REDIRECT\_URI&response\_type=code&scope=SCOPE&state=STATE\#wechat\_redirect][https_open.weixin.qq.com_connect_oauth2_authorize_appid_APPID_redirect_uri_REDIRECT_URI_response_type_code_scope_SCOPE_state_STATE_wechat_redirect]

url3，拿到code后，向微信服务器发送请求，可以获取openId和access\_token  
[https://api.weixin.qq.com/sns/oauth2/access\_token?appid=APPID&secret=SECRET&code=CODE&grant\_type=authorization\_code][https_api.weixin.qq.com_sns_oauth2_access_token_appid_APPID_secret_SECRET_code_CODE_grant_type_authorization_code]

拿到openId和access\_token后可以获取用户的详细信息  
[https://api.weixin.qq.com/sns/userinfo?access\_token=ACCESS\_TOKEN&openid=OPENID&lang=zh\_CN][https_api.weixin.qq.com_sns_userinfo_access_token_ACCESS_TOKEN_openid_OPENID_lang_zh_CN]

转载: [https://blog.csdn.net/u014225427/article/details/54926781][https_blog.csdn.net_u014225427_article_details_54926781]

[SouthEast]: /images/20220506/af371a4fa3f3419c8d6564134ab1dbe3.png
[https_open.weixin.qq.com_connect_oauth2_authorize_appid_APPID_redirect_uri_REDIRECT_URI_response_type_code_scope_SCOPE_state_STATE_wechat_redirect]: https://open.weixin.qq.com/connect/oauth2/authorize?appid=APPID&redirect_uri=REDIRECT_URI&response_type=code&scope=SCOPE&state=STATE#wechat_redirect
[https_api.weixin.qq.com_sns_oauth2_access_token_appid_APPID_secret_SECRET_code_CODE_grant_type_authorization_code]: https://api.weixin.qq.com/sns/oauth2/access_token?appid=APPID&secret=SECRET&code=CODE&grant_type=authorization_code
[https_api.weixin.qq.com_sns_userinfo_access_token_ACCESS_TOKEN_openid_OPENID_lang_zh_CN]: https://api.weixin.qq.com/sns/userinfo?access_token=ACCESS_TOKEN&openid=OPENID&lang=zh_CN
[https_blog.csdn.net_u014225427_article_details_54926781]: https://blog.csdn.net/u014225427/article/details/54926781