一种简单的方法:

• 使用JavaScript SDK: https://developers.facebook.com/docs/javascript/
• 使用FB.login获取用户令牌后，将令牌通过AJAX传输到服务器，并在服务器上使用-通过某些SDK或axios/fetch/随便什么.

• Use the JavaScript SDK: https://developers.facebook.com/docs/javascript/
• After getting a User Token with FB.login, transfer the Token to the server with AJAX and use it on the server - either with some SDK, or with axios/fetch/whatever.

或者，您可以建立自己的登录流程:

Alternatively, you can build your own login flow: https://developers.facebook.com/docs/facebook-login/manually-build-a-login-flow/