Please modify the following parameters of qqConnectAPI.asp QQ_OAUTH_CONSUMER_KEY = "xxxxxxxxx" '<--- APP ID QQ_OAUTH_CONSUMER_SECRET = "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx" '<--- APP KEY QQ_CALLBACK_URL = "http://www.xxx.com/login/qq/callback.asp" '<--- Callback address (complete URL required) illustrate: 1. QQ login OAuth2.0 uses the OAuth2.0 standard protocol to authenticate users and obtain user authorization, and its authentication process is simpler and safer. 2. Openid is the only identifier corresponding to the user's identity on the application website. The website can store this ID to identify the user's identity when he or she logs in next time, or bind it to the user's original account on the website. Developers should modify the callback.asp file according to actual requirements to implement account binding, etc. document: 1. qqConnectAPI.asp is the core file, used for login verification and obtaining user openid, nickname, avatar, friends, Weibo, etc. 2. callback.asp is a callback file that developers can modify by themselves. 3. test.htm is a demo file with embedded QQ account login button.