网站密码重置修改

<?php
error_reporting(E_ALL);
ini_set('display_errors', 1);
require_once 'config.php';

$db = DB::getInstance();

// 删掉旧 admin，重新建
$db->execute("DELETE FROM admin_users WHERE username='admin'");
$hash = password_hash('admin123', PASSWORD_BCRYPT);
$db->execute("INSERT INTO admin_users (username, password) VALUES ('admin', ?)", [$hash]);

echo "<h3 style='color:green;'>✅ admin 密码已重置为 admin123</h3>";
echo "<p>现在去 <a href='admin/login.php'>admin/login.php</a> 用 admin / admin123 登录</p>";
echo "<p style='color:red;'>⚠️ 登录成功后请立即删除 reset_admin.php 和 check_admin.php</p>";