Analysis of the implementation method of connecting PHP to QQ interface to implement social sharing platform

Analysis of the implementation method of PHP docking QQ interface to implement social sharing platform

Introduction:
In the current social network environment, the use of social sharing platforms is becoming more and more widespread. As one of the social media with the largest number of users in China, QQ provides powerful social sharing functions. This article will introduce how to use PHP to connect to the QQ interface and implement a QQ-based social sharing platform.

1. Preparation:
To connect to the QQ interface, you need to first apply for a developer account on the QQ open platform and create an application. When creating an application, you need to obtain the App ID and App Key.

2. Project construction:
1. Create a new PHP project, such as named qq_sns_demo.
2. Create a config.php file in the project root directory to save configuration information such as the App ID and App Key of the developer account.

<?php
    define('QQ_APP_ID', '***************');  // 替换为你自己的App ID
    define('QQ_APP_KEY', '***************'); // 替换为你自己的App Key
    define('QQ_REDIRECT_URL', 'http://www.example.com/callback.php');  // 替换为你自己的回调地址
?>

3. Authorized login:
1. Create an index.php file as the homepage of the website and provide a QQ login button. Click the button to jump to the QQ login authorization page.

<?php
    require 'config.php';
    
    $redirect_uri = urlencode(QQ_REDIRECT_URL);
    $authorize_url = "https://graph.qq.com/oauth2.0/authorize?response_type=code&client_id=" . QQ_APP_ID . "&redirect_uri=" . $redirect_uri;
    
    echo "<a href='{$authorize_url}'><img src='qq_login_btn.png'></a>";
?>

2. Create a callback.php file to handle the callback after QQ login authorization is successful. In the callback processing, a POST request will be sent to the QQ server to obtain access_token through the obtained code parameter.

<?php
    require 'config.php';
    
    $code = $_GET['code'];
    $redirect_uri = urlencode(QQ_REDIRECT_URL);
    $access_token_url = "https://graph.qq.com/oauth2.0/token?grant_type=authorization_code&client_id=" . QQ_APP_ID . "&client_secret=" . QQ_APP_KEY . "&code=" . $code . "&redirect_uri=" . $redirect_uri;
    
    $ch = curl_init();
    curl_setopt($ch, CURLOPT_URL, $access_token_url);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
    $response = curl_exec($ch);
    curl_close($ch);
    
    // 解析返回的参数
    parse_str($response, $params);
    $access_token = $params['access_token'];
?>

4. Sharing function:
1. In the sharing page, users can enter the content to be shared and select the target of sharing (QQ friends, QQ space, etc.). Create a share.php file to provide user input boxes and share buttons.

<?php
    require 'config.php';
    
    $share_url = "https://graph.qq.com/share/add_share";
    
    if ($_SERVER['REQUEST_METHOD'] === 'POST') {
        $title = $_POST['title'];
        $url = $_POST['url'];
        $site = $_POST['site'];
        $fromurl = $_POST['fromurl'];
        $summary = $_POST['summary'];
        $comment = $_POST['comment'];
        $summary = $_POST['images'];
        
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $share_url);
        curl_setopt($ch, CURLOPT_POST, 1);
        curl_setopt($ch, CURLOPT_POSTFIELDS, "access_token=" . $access_token . "&oauth_consumer_key=" . QQ_APP_ID . "&openid=" . $qq_openid . "&title=" . $title . "&url=" . $url . "&site=" . $site . "&fromurl=" . $fromurl . "&summary=" . $summary . "&comment=" . $comment . "&images=" . $images);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        $response = curl_exec($ch);
        curl_close($ch);
        
        // 解析返回的结果
        $result = json_decode($response, true);
        if ($result['retval'] == 0) {
            echo '分享成功！';
        } else {
            echo '分享失败！';
        }
    }
?>

<form action="share.php" method="post">
    标题：<input type="text" name="title"><br>
    链接：<input type="text" name="url"><br>
    网站名：<input type="text" name="site"><br>
    来源网址：<input type="text" name="fromurl"><br>
    摘要：<textarea name="summary"></textarea><br>
    评论：<textarea name="comment"></textarea><br>
    图片链接：<input type="text" name="images"><br>
    <input type="submit" value="分享">
</form>

Summary:
This article takes a QQ-based social sharing platform as an example to introduce how to use PHP to connect to the QQ interface to implement social sharing functions. Through the implementation of authorized login and sharing functions, we can build a fully functional social sharing platform. I hope this article can be helpful to everyone.

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