dedecms两网站共享用户名

// 在第二个网站的config.php中
$cfg_dbhost = '数据库服务器地址';
$cfg_dbname = '共享数据库名称';
$cfg_dbuser = '数据库用户名';
$cfg_dbpwd = '数据库密码';
$cfg_dbprefix = 'dede_'; // 确保与第一个网站一致

// API接口示例（第一个网站）
<?php
header('Content-Type: application/json');
$username = $_POST['username'];
$password = $_POST['password'];

// 验证用户名和密码
$query = "SELECT * FROM dede_member WHERE usename='$username' AND password='".md5($password)."'";
$result = mysqli_query($conn, $query);

if (mysqli_num_rows($result) > 0) {
    $user = mysqli_fetch_assoc($result);
    echo json_encode(['status' => 'success', 'user' => $user]);
} else {
    echo json_encode(['status' => 'fail']);
}
?>

// 第二个网站的登录验证
<?php
$username = $_POST['username'];
$password = $_POST['password'];

$url = '第一个网站的API地址';
$data = ['username' => $username, 'password' => $password];
$options = [
    'http' => [
        'header'  => "Content-type: application/x-www-form-urlencoded\r\n",
        'method'  => 'POST',
        'content' => http_build_query($data),
    ],
];

$context  = stream_context_create($options);
$result = file_get_contents($url, false, $context);
if ($result === FALSE) { /* 处理错误 */ }

$response = json_decode($result, true);
if ($response['status'] == 'success') {
    // 登录成功
} else {
    // 登录失败
}
?>