phpcms整合第三方登录接口教程

<?php
$app_id = '你的QQ_APP_ID';
$redirect_uri = urlencode('https://www.php.cn/link/73d0e1095870b725152f48157d253034');
$state = md5(uniqid(rand(), TRUE)); // 防CSRF
$_SESSION['state'] = $state;
$login_url = "https://graph.qq.com/oauth2.0/authorize?response_type=code&client_id={$app_id}&redirect_uri={$redirect_uri}&state={$state}";
header("Location: {$login_url}");
?>

<?php
session_start();
if ($_GET['state'] != $_SESSION['state']) {
    die('状态码不匹配');
}
<p>$code = $_GET['code'];
$app_id = '你的QQ_APP_ID';
$app_secret = '你的QQ_APP_KEY';
$redirect_uri = '<a href="https://www.php.cn/link/73d0e1095870b725152f48157d253034">https://www.php.cn/link/73d0e1095870b725152f48157d253034</a>';</p><p>// 获取access token
$token_url = "<a href="https://www.php.cn/link/b6308edceb1fe8479c698490d100a7a8">https://www.php.cn/link/b6308edceb1fe8479c698490d100a7a8</a>}";
$response = file_get_contents($token_url);
parse_str($response, $token_arr);
$access_token = $token_arr['access_token'];</p><p>// 获取openid
$openid_url = "<a href="https://www.php.cn/link/7851934f3332c6b7ff9a3e4ed82e532d">https://www.php.cn/link/7851934f3332c6b7ff9a3e4ed82e532d</a>}";
$me_response = file_get_contents($openid_url);
$json_str = substr($me_response, strpos($me_response, '(')+1, -1);
$me_data = json_decode($json_str, true);
$openid = $me_data['openid'];</p><p>// 获取用户信息
$user_info_url = "<a href="https://www.php.cn/link/8a6b756f8eb9b358f11ece6ddca066f7">https://www.php.cn/link/8a6b756f8eb9b358f11ece6ddca066f7</a>}";
$user_response = file_get_contents($user_info_url);
$user_data = json_decode($user_response, true);</p><p>// 此处可进行用户绑定或自动注册
$username = 'qq_' . $openid;
$nickname = $user_data['nickname'];
$avatar = $user_data['figureurl_qq_2'];</p><p>// 调用PHPCMS用户模型处理登录或注册
include_once '../../config.inc.php';
include_once '../phpcms/model/member_model.class.php';
$member_db = new member_model();</p><p>// 查询是否已绑定该openid（需提前在会员表添加字段如 qq_openid）
$existing_user = $member_db->get_one(array('qq_openid' => $openid));</p><p>if ($existing_user) {
// 登录已有用户
pc_base::load_sys_class('param');
$session<em>storage = 'session</em>' . pc_base::load_config('system', 'session_storage');
$SESSION = new $session_storage();
$SESSION->set('userid', $existing_user['userid']);
$SESSION->set('nickname', $nickname);
$SESSION->set('roleid', $existing_user['roleid']);
} else {
// 自动注册新用户
$password = random_string(8);
$userid = $member_db->insert(array(
'username' => $username,
'password' => password_hash($password, PASSWORD_DEFAULT),
'nickname' => $nickname,
'face' => $avatar,
'regdate' => SYS_TIME,
'lastdate' => SYS_TIME,
'qq_openid' => $openid,
'email' => $username . '@qq.user'
), true);
// 设置登录态
$SESSION = new $session_storage();
$SESSION->set('userid', $userid);
$SESSION->set('nickname', $nickname);
}
// 跳转回首页
header("Location: /index.php");
?></p>

<a href="/api/oauth/qq_login.php"><img src="qq_login.png" alt="QQ登录"/></a>