public function initDb($name)
{
$config = App::conf('app', 'database');
if (!isset($config[$name])) {
throw new \InvalidArgumentException("数据配置不存在: {$name}");
}
$config = $config[$name];
$db = new Db($config);
if (isset($config['slow_log']) && $config['slow_log']) {
// 慢查询日志
$db->addHook(Db::TAG_AFTER_QUERY, function ($data) use($config) {
if ($data['time'] > $config['slow_log']) {
$logger = App::logger('database');
$logger->debug("\nROUTE: " . CUR_ROUTE . "\nSQL: {$data['sql']}\nDATA: " . json_encode($data['data']) . "\nTIME: {$data['time']}\nMETHOD: {$data['method']}\n");
}
});
}
return $db;
}