setName('tools:db:info')
->setDescription('显示数据库连接信息和表列表')
->addOption('with-count', null, Option::VALUE_NONE, '显示每个表的记录数')
->addOption('connection', null, Option::VALUE_OPTIONAL, '指定数据库连接配置')
->addOption('help', 'h', Option::VALUE_NONE, '显示帮助信息');
}
protected function execute($input, $output)
{
if ($input->getOption('help')) {
$service = new ToolsDbServiceBase();
$service->showHelp('tools:db:info', $output);
return;
}
$service = new ToolsDbServiceBase();
if (!$service->checkDebugMode($output)) {
return;
}
$connection = $service->getDbConnection($input);
$service->setConnection($connection);
$withCount = $input->getOption('with-count');
try {
$config = Config::get('database.connections.' . $connection);
if (!$config) {
$output->error('数据库连接配置不存在：' . $connection);
return;
}
$output->writeln('');
$output->writeln('' . str_repeat('=', 60) . '');
$output->writeln('数据库连接信息');
$output->writeln('' . str_repeat('=', 60) . '');
$output->writeln('');
$output->writeln('连接名称：' . $connection);
$output->writeln('数据库类型：' . ($config['type'] ?? 'unknown'));
$output->writeln('主机地址：' . ($config['hostname'] ?? 'unknown'));
$output->writeln('数据库名：' . ($config['database'] ?? 'unknown'));
$output->writeln('端口：' . ($config['hostport'] ?? 'unknown'));
$output->writeln('字符集：' . ($config['charset'] ?? 'unknown'));
$output->writeln('表前缀：' . ($config['prefix'] ?? ''));
$output->writeln('');
$output->writeln('' . str_repeat('-', 60) . '');
$output->writeln('表列表');
$output->writeln('' . str_repeat('-', 60) . '');
$output->writeln('');
$tables = Db::connect($connection)->getTables();
if (empty($tables)) {
$output->writeln('无表');
$output->writeln('');
return;
}
$prefix = $config['prefix'] ?? '';
foreach ($tables as $table) {
$shortName = $table;
if ($prefix && str_starts_with($table, $prefix)) {
$shortName = substr($table, strlen($prefix));
}
if ($withCount) {
$count = Db::connect($connection)->table($table)->count();
$output->writeln('' . str_pad($shortName, 40) . '' . $count . ' 条记录');
} else {
$output->writeln('' . $shortName . '');
}
}
$output->writeln('');
$output->writeln('' . str_repeat('=', 60) . '');
$output->writeln('');
} catch (\Exception $e) {
$output->error('获取信息失败：' . $e->getMessage());
return;
}
}
}