initialize();
$db = \think\facade\Db::connect();
echo "数据库连接信息
";
$config = config('database');
echo "";
echo "数据库类型: " . $config['default'] . "\n";
echo "主机: " . $config['connections'][$config['default']]['hostname'] . "\n";
echo "数据库名: " . $config['connections'][$config['default']]['database'] . "\n";
echo "表前缀: " . $config['connections'][$config['default']]['prefix'] . "\n";
echo "
";
echo "直接SQL查询表结构
";
try {
$columns = $db->query("SHOW COLUMNS FROM zyt_tcm_prescription");
echo "";
echo "| 字段名 | 类型 | 默认值 | 注释 |
|---|
";
foreach ($columns as $col) {
$highlight = in_array($col['Field'], ['usage_time', 'usage_way', 'dietary_taboo', 'usage_notes']) ? 'background: yellow;' : '';
echo "";
echo "| {$col['Field']} | ";
echo "{$col['Type']} | ";
echo "{$col['Default']} | ";
echo "" . ($col['Comment'] ?? '') . " | ";
echo "
";
}
echo "
";
} catch (\Exception $e) {
echo "错误: " . $e->getMessage() . "
";
}
echo "使用PDO直接查询
";
try {
$pdo = new PDO(
"mysql:host=127.0.0.1;dbname=zyt;charset=utf8mb4",
"root",
"root"
);
$stmt = $pdo->query("SELECT id, usage_time, usage_way, dietary_taboo, usage_notes FROM zyt_tcm_prescription LIMIT 1");
$result = $stmt->fetch(PDO::FETCH_ASSOC);
echo "";
print_r($result);
echo "";
echo "✓ PDO查询成功！
";
} catch (\Exception $e) {
echo "✗ PDO查询失败: " . $e->getMessage() . "
";
}
echo "使用ThinkPHP Db类查询
";
try {
$result = $db->query("SELECT id, usage_time, usage_way, dietary_taboo, usage_notes FROM zyt_tcm_prescription LIMIT 1");
echo "";
print_r($result);
echo "";
echo "✓ ThinkPHP Db查询成功！
";
} catch (\Exception $e) {
echo "✗ ThinkPHP Db查询失败: " . $e->getMessage() . "
";
}
?>