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Discussion on the implementation ideas of using PHP to connect QQ interface to realize social login function
- 王林Original
- 2023-07-06 08:13:091005browse
Discussion on the implementation ideas of using PHP to connect QQ interface to realize social login function
With the continuous development of social media, more and more websites and applications provide third-party social login function, so that users can Quickly log in through existing social accounts.
QQ is one of the most commonly used options when implementing the social login function. QQ provides a set of open interfaces that allow developers to use QQ accounts for authentication and login. This article will introduce how to use PHP to connect to the QQ interface to implement the social login function, and provide corresponding code examples.
- Get the AppID and AppKey of the QQ Internet application
Before using the QQ interface, we need to apply for an application on the QQ Internet development platform and obtain the AppID and AppKey. For the specific application process, please refer to QQ Internet Development Documents.
- Building the login page
First, we need to build a login page to provide the QQ login entrance. On the page, we can use the official login button provided by QQ to guide users to log in.
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>QQ登录</title>
</head>
<body>
<a href="https://graph.qq.com/oauth2.0/authorize?response_type=code&client_id=APPID&redirect_uri=REDIRECT_URI&state=STATE">
<img src="qq_login_button.png" alt="QQ登录">
</a>
</body>
</html> It should be noted that APPID and REDIRECT_URI in the above code need to be replaced with the AppID and callback address of the QQ Internet application you applied for.
- QQ login callback processing
After the user logs in to QQ, QQ will pass the authorization code (code) to the callback address we set on the QQ Internet development platform. In the code of the callback address, we can use the authorization code to exchange for an access token (access_token) and obtain the user's basic information.
<?php
$code = $_GET['code'];
$redirect_uri = '回调地址';
// 使用授权码换取访问令牌
$url = "https://graph.qq.com/oauth2.0/token?grant_type=authorization_code&client_id=APPID&client_secret=APPKEY&code=$code&redirect_uri=$redirect_uri";
$response = file_get_contents($url);
$params = [];
parse_str($response, $params);
$access_token = $params['access_token'];
// 使用访问令牌获取用户基本信息
$url = "https://graph.qq.com/oauth2.0/me?access_token=$access_token";
$response = file_get_contents($url);
preg_match('/"openid":"(w+)"/', $response, $matches);
$openid = $matches[1];You need to replace APPID, APPKEY and callback address in the above code with the corresponding parameters of the QQ Internet application you applied for.
- Get user details
Through the above steps, we have obtained the basic information of the user, including openid. Next, we can use openid to obtain the user's detailed information, such as nickname, avatar, etc.
// 获取用户详细信息 $url = "https://graph.qq.com/user/get_user_info?access_token=$access_token&oauth_consumer_key=APPID&openid=$openid"; $response = file_get_contents($url); $user_info = json_decode($response, true); // 打印用户详细信息 print_r($user_info);
You need to replace APPID in the above code with the AppID of the QQ Internet application you applied for.
So far, we have completed the process of using PHP to connect to the QQ interface to implement the social login function. Next, you can process user information according to actual needs, such as saving user information to a database, or making corresponding recommendations based on the user's social relationships, etc.
To sum up, this article discusses the implementation ideas of using PHP to connect to the QQ interface to implement the social login function, and provides corresponding code examples. I hope this article will help you understand and use the QQ interface.
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